Siemens SINAMICS G120 Operating Instructions Manual

Low voltage inverters built-in units with cu250s-2 control units and encoder evaluation
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Table of Contents
Operating instructions
SINAMICS
SINAMICS G120
Low voltage inverters
Built-in units with CU250S-2 Control Units and
encoder evaluation
Edition
04/2018
www.siemens.com/drives

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Table of Contents
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  • Page 1 Operating instructions SINAMICS SINAMICS G120 Low voltage inverters Built-in units with CU250S-2 Control Units and encoder evaluation Edition 04/2018 www.siemens.com/drives...
  • Page 3 Changes in the current edition Fundamental safety instructions Introduction SINAMICS Description SINAMICS G120 Converter with the CU250S-2 Installing Control Units Commissioning Operating Instructions Advanced commissioning Saving the settings and series commissioning Alarms, faults and system messages Corrective maintenance Technical data Appendix Edition 04/2018, Firmware V4.7 SP10...
  • Page 4 Note the following: WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. If products and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems.
  • Page 5: Changes In The Current Edition

    STARTER has been removed. Exceptions: Write and know-how protection. You can find information on commissioning with STARTER on the Internet: Operating Instructions, 09/2017 Edition (https://support.industry.siemens.com/cs/ww/ en/view/109751322) Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 6 Changes in the current edition Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 7: Table Of Contents

    Table of contents Changes in the current edition........................3 Fundamental safety instructions.........................13 General safety instructions.....................13 Equipment damage due to electric fields or electrostatic discharge........19 Warranty and liability for application examples..............20 Industrial security........................21 Residual risks of power drive systems...................23 Introduction..............................25 About the Manual........................25 Guide through the manual......................26 Description..............................29 Identifying the converter......................30...
  • Page 8 Table of contents 4.3.1 Basic installation rules for built-in units..................60 4.3.2 Dimensioned drawings, drilling dimensions for the PM240-2 Power Module, IP20....62 4.3.3 Dimension drawings, drilling dimensions for PM240-2 Power Modules in push-through technology..........................65 4.3.4 Dimensioned drawings, drilling dimensions for the PM250 Power Module......69 Connecting the line supply and motor..................72 4.4.1 Permissible line supplies......................72...
  • Page 9 Table of contents 5.4.1 Creating a project.........................134 5.4.2 Transfer inverters connected via USB into the project............135 5.4.3 Starting wizards for the quick commissioning..............136 5.4.4 Standard Drive Control......................139 5.4.5 Dynamic Drive Control......................141 5.4.6 Expert...........................143 5.4.7 Configuring encoders......................147 5.4.8 Adapting the encoder data....................148 5.4.9 Loading the settings into the inverter...................149 5.4.10...
  • Page 10 Table of contents 6.11 Limit position control......................216 6.12 Switching over the drive control (command data set)............218 6.13 Motor holding brake......................220 6.14 Free function blocks......................224 6.14.1 Overview..........................224 6.14.2 Runtime groups and run sequence..................224 6.14.3 List of the free function blocks....................225 6.14.4 Scaling..........................236 6.14.5 Activating free function block....................237...
  • Page 11 Table of contents 6.21.2.3 Optimizing the motor startup for application class Standard Drive Control......296 6.21.3 Vector control........................298 6.21.3.1 Structure of the vector control....................298 6.21.3.2 Default setting as a result of the application class Dynamic Drive Control......300 6.21.3.3 Checking the encoder signal....................300 6.21.3.4 Optimizing the speed controller....................300 6.21.3.5...
  • Page 12 Table of contents Saving settings to an operator panel..................375 Other ways to back up settings....................377 Write protection........................378 Know-how protection......................380 7.6.1 Extending the exception list for know-how protection............382 7.6.2 Activating and deactivating know-how protection..............383 Alarms, faults and system messages.......................387 Operating states indicated on LEDs..................388 System runtime........................392 Identification &...
  • Page 13 Table of contents 10.3.6 General technical data, 400 V inverters................456 10.3.7 Specific technical data, 400 V inverters................457 10.3.8 Current derating depending on the pulse frequency, 400 V inverters........465 10.3.9 General technical data, 690 V inverters................466 10.3.10 Specific technical data, 690 V inverters................467 10.3.11 Current derating depending on the pulse frequency, 690 V inverters........470 10.4...
  • Page 14 Table of contents Index.................................523 Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 15: Fundamental Safety Instructions

    Fundamental safety instructions General safety instructions WARNING Electric shock and danger to life due to other energy sources Touching live components can result in death or severe injury. ● Only work on electrical devices when you are qualified for this job. ●...
  • Page 16 Fundamental safety instructions 1.1 General safety instructions WARNING Risk of electric shock and fire from supply networks with an excessively low impedance Excessively high short-circuit currents can lead to the protective devices not being able to interrupt these short-circuit currents and being destroyed, and thus causing electric shock or a fire.
  • Page 17 Fundamental safety instructions 1.1 General safety instructions WARNING Electric shock due to unconnected cable shield Hazardous touch voltages can occur through capacitive cross-coupling due to unconnected cable shields. ● As a minimum, connect cable shields and the conductors of power cables that are not used (e.g.
  • Page 18 ● If you come closer than around 2 m to such components, switch off any radios or mobile phones. ● Use the "SIEMENS Industry Online Support app" only on equipment that has already been switched off. NOTICE...
  • Page 19 Fundamental safety instructions 1.1 General safety instructions WARNING Unrecognized dangers due to missing or illegible warning labels Dangers might not be recognized if warning labels are missing or illegible. Unrecognized dangers may cause accidents resulting in serious injury or death. ●...
  • Page 20 Fundamental safety instructions 1.1 General safety instructions WARNING Malfunctions of the machine as a result of incorrect or changed parameter settings As a result of incorrect or changed parameterization, machines can malfunction, which in turn can lead to injuries or death. ●...
  • Page 21: Equipment Damage Due To Electric Fields Or Electrostatic Discharge

    Fundamental safety instructions 1.2 Equipment damage due to electric fields or electrostatic discharge Equipment damage due to electric fields or electrostatic discharge Electrostatic sensitive devices (ESD) are individual components, integrated circuits, modules or devices that may be damaged by either electric fields or electrostatic discharge. NOTICE Equipment damage due to electric fields or electrostatic discharge Electric fields or electrostatic discharge can cause malfunctions through damaged individual...
  • Page 22: Warranty And Liability For Application Examples

    Fundamental safety instructions 1.3 Warranty and liability for application examples Warranty and liability for application examples Application examples are not binding and do not claim to be complete regarding configuration, equipment or any eventuality which may arise. Application examples do not represent specific customer solutions, but are only intended to provide support for typical tasks.
  • Page 23: Industrial Security

    Siemens’ products and solutions undergo continuous development to make them more secure. Siemens strongly recommends that product updates are applied as soon as they are available and that the latest product versions are used. Use of product versions that are no longer supported, and failure to apply the latest updates may increase customer’s exposure to cyber...
  • Page 24 Fundamental safety instructions 1.4 Industrial security WARNING Unsafe operating states resulting from software manipulation Software manipulations (e.g. viruses, trojans, malware or worms) can cause unsafe operating states in your system that may lead to death, serious injury, and property damage. ●...
  • Page 25: Residual Risks Of Power Drive Systems

    Fundamental safety instructions 1.5 Residual risks of power drive systems Residual risks of power drive systems When assessing the machine- or system-related risk in accordance with the respective local regulations (e.g., EC Machinery Directive), the machine manufacturer or system installer must take into account the following residual risks emanating from the control and drive components of a drive system: 1.
  • Page 26 Fundamental safety instructions 1.5 Residual risks of power drive systems Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 27: Introduction

    Introduction About the Manual Who requires the operating instructions and what for? These operating instructions primarily address fitters, commissioning engineers and machine operators. The operating instructions describe the devices and device components and enable the target groups being addressed to install, connect-up, set, and commission the converters safely and in the correct manner.
  • Page 28: Guide Through The Manual

    Introduction 2.2 Guide through the manual Guide through the manual Section In this section you will find answers to the following questions: Description (Page 29) ● How is the inverter marked? ● Which components make up the inverter? ● Which optional components are available for the inverter? ●...
  • Page 29 Introduction 2.2 Guide through the manual Section In this section you will find answers to the following questions: Technical data (Page 439) ● What is the inverter technical data? ● What do "High Overload" and "Low Overload" mean? Appendix (Page 481) ●...
  • Page 30 Introduction 2.2 Guide through the manual Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 31: Description

    You can use equivalent products from other manufacturers. Siemens does not accept any warranty for the properties of third-party products. Use of OpenSSL This product contains software developed in the OpenSSL project for use within the OpenSSL toolkit.
  • Page 32: Identifying The Converter

    Description 3.1 Identifying the converter Identifying the converter Main components of the inverter Each SINAMICS G120 inverter comprises a Control Unit and Power Module. ● The Control Unit controls and monitors the Power Module and the connected motor. ● The Power Module provides the connections for line supply and motor.
  • Page 33: Directives And Standards

    Description 3.2 Directives and standards Directives and standards Relevant directives and standards The following directives and standards are relevant for the inverters: European Low Voltage Directive The inverters fulfil the requirements stipulated in the Low-Voltage Directive 2014/35/EU, if they are covered by the application area of this directive. European Machinery Directive The inverters fulfil the requirements stipulated in the Machinery Directive 2006/42/EU, if they are covered by the application area of this directive.
  • Page 34 Immunity to voltage drop of semiconductor process equipment. The inverters comply with the requirements of standard SEMI F47-0706. Quality systems Siemens AG employs a quality management system that meets the requirements of ISO 9001 and ISO 14001. Certificates for download ●...
  • Page 35: Overview Of Control Units

    Description 3.3 Overview of Control Units Overview of Control Units Versions The CU250S-2 Control Units differ with regard to the type of fieldbus. Table 3-1 Control Unit versions Designation Article number Fieldbus CU250S-2 6SL3246-0BA22-1BA0 USS, Modbus RTU CU250S-2 DP 6SL3246-0BA22-1PA0 PROFIBUS CU250S-2 PN 6SL3246-0BA22-1FA0...
  • Page 36: Power Modules

    Description 3.4 Power Modules Power Modules Important data on the Power Modules is provided in this section. Further information is contained in the Hardware Installation Manual of the Power Module. Overview of the manuals (Page 519) All power data refers to rated values or to power for operation with low overload (LO). You can operate the CU250S-2 Control Unit with the following Power Modules: ●...
  • Page 37: Power Module With Ip20 Degree Of Protection

    Description 3.4 Power Modules 3.4.1 Power Module with IP20 degree of protection Figure 3-1 Examples of Power Modules with IP20 degree of protection PM240-2 for standard applications The PM240-2 Power Module is available without a filter or with an integrated class A line filter. The PM240-2 permits dynamic braking via an external braking resistor.
  • Page 38 Description 3.4 Power Modules PM250 for standard applications with energy recovery The PM250 Power Module is available without a filter or with integrated class A line filter. The PM250 permits dynamic braking with energy recovery into the line supply. Table 3-5 3-phase 380 VAC …...
  • Page 39: Power Module With Push-Through Technology

    Description 3.4 Power Modules 3.4.2 Power Module with Push-Through technology Figure 3-2 Examples of Power Modules with Push-Through technology FSA … FSC PM240-2 with Push-Through technology for standard applications The PM240-2 Power Module is available with Push-Through technology without a filter or with an integrated class A line filter.
  • Page 40: Components For The Power Modules

    Description 3.5 Components for the Power Modules Components for the Power Modules 3.5.1 Accessories for shielding Shield connection kit Establish the shield and strain relief for the power connec‐ tions using the shield connection kit. The shield connection kit comprises a shield plate and serrated strips with screws.
  • Page 41: Line Filter

    Description 3.5 Components for the Power Modules 3.5.2 Line filter With a line filter, the inverter can achieve a higher radio interference class. NOTICE Overloading the line filter when connected to line supplies that are not permissible The line filter is only suitable for operation on TN or TT line supplies with a grounded neutral point.
  • Page 42: Line Reactor

    Description 3.5 Components for the Power Modules 3.5.3 Line reactor The line reactor supports the overvoltage protection, smoothes the harmonics in the line supply and bridges commutation dips. For the Power Modules subsequently listed, a line reactor is suitable in order to dampen the specified effects.
  • Page 43 Description 3.5 Components for the Power Modules Line reactors for PM240-2, 200 V … 240 V Power Module Power Line reactor 6SL3210-1PB13-0 . L0, 0.55 kW … 0.75 kW 6SL3203-0CE13-2AA0 6SL3210-1PB13-8 . L0 6SL3210-1PB15-5 . L0, 1.1 kW … 2.2 kW 6SL3203-0CE21-0AA0 6SL3210-1PB17-4 .
  • Page 44: Output Reactor

    Description 3.5 Components for the Power Modules 3.5.4 Output reactor Output reactors reduce the voltage stress on the motor windings and the load placed on the inverter as a result of capacitive recharging currents in the cables. One or two output reactors are required for longer motor cables.
  • Page 45 Description 3.5 Components for the Power Modules Power Module Power Output reactor 6SL3210‑1PE33‑0 . L0 160 kW 6SL3000‑2BE33‑2AA0 6SL3210‑1PE33‑7 . L0 200 kW 6SL3000‑2BE33‑8AA0 6SL3210‑1PE34‑8 . L0 250 kW 6SL3000‑2BE35‑0AA0 Output reactors for PM240-2 Power Modules, 500 V … 690 V Power Module Power Output reactor...
  • Page 46 Description 3.5 Components for the Power Modules Output reactors for PM250 Power Module Power Module Power Output reactor 6SL3225-0BE25‑5 . A0, 7.5 kW … 15.0 kW 6SL3202-0AJ23-2CA0 6SL3225-0BE27‑5 . A0, 6SL3225-0BE31‑1 . A0 6SL3225-0BE31-5 . A0 18.5 kW 6SE6400-3TC05-4DD0 6SL3225-0BE31-8 . A0 22 kW 6SE6400-3TC03-8DD0 6SL3225-0BE32-2 .
  • Page 47: Du/Dt Filter Plus Vpl

    150 Hz. The pulse frequency may not exceed 4 kHz. Further information is provided on the Internet: Sales Release and Operating Instructions (https://support.industry.siemens.com/cs/ww/ en/view/109756054) du/dt filters plus VPL for PM240‑2 Power Modules, 380 V … 480 V Power Module...
  • Page 48 Description 3.5 Components for the Power Modules Power Module Power du/dt filter plus VPL 6SL3210-1PH25-2 . L0 45 kW, 55 kW JTA:TEF1203-0JB 6SL3210-1PH26-2 . L0 6SL3210-1PH28-0 . L0 75 kW, 90 kW JTA:TEF1203-0KB 6SL3210-1PH31-0 . L0 6SL3210-1PH31-2 . L0 110 kW, 132 kW JTA:TEF1203-0LB 6SL3210-1PH31-4 .
  • Page 49: Sine-Wave Filter

    Description 3.5 Components for the Power Modules 3.5.6 Sine-wave filter The sine-wave filter at the inverter output limits the voltage rate-of- rise and the peak voltages at the motor winding. The maximum per‐ missible length of motor feeder cables is increased to 300 m. The following applies when using a sine-wave filter: ●...
  • Page 50: Braking Resistor

    Description 3.5 Components for the Power Modules 3.5.7 Braking resistor The braking resistor allows loads with a high moment of inertia to be quickly braked. The Power Module controls the braking resistor via its integrated braking module. The figure shown on the right-hand side shows as example the braking resistor for a PM240-2 Power Module, FSB.
  • Page 51 Description 3.5 Components for the Power Modules Braking resistors for PM240-2, 500 V … 690 V Power Module Power Braking resistor 6SL3210‑1PH21‑4 . L0, 11 kW … 37 kW JJY:023424020002 6SL3210‑1PH22‑0 . L0, 6SL3210‑1PH22‑3 . L0, 6SL3210‑1PH22‑7 . L0, 6SL3210‑1PH23‑5 . L0, 6SL3210‑1PH24‑2 .
  • Page 52: Brake Relay

    Description 3.5 Components for the Power Modules 3.5.8 Brake Relay The Brake Relay has a switch contact (NO contact) for controlling a motor holding brake. Article number: 6SL3252‑0BB00‑0AA0 The following Power Modules have a connection possibility for the Brake Relay: ●...
  • Page 53: Motors And Multi-Motor Drives That Can Be Operated

    3.6 Motors and multi-motor drives that can be operated Motors and multi-motor drives that can be operated Siemens motors that can be operated You can connect standard induction motors to the inverter. You can find information on further motors on the Internet: Motors that can be operated (https://support.industry.siemens.com/cs/ww/en/view/...
  • Page 54: Encoder And Sensor Module

    Description 3.7 Encoder and Sensor Module Encoder and Sensor Module You can connect the following encoders to the Control Unit: ● For the position or speed control – Resolver – HTL encoder – TTL encoder – Sine/cosine encoder – EnDat 2.1 ●...
  • Page 55: Installing

    Installing EMC-compliant installation of a machine or system The inverter is designed for operation in industrial environments where strong electromagnetic fields are to be expected. Reliable and disturbance-free operation is only guaranteed for EMC-compliant installation. To achieve this, subdivide the control cabinet and the machine or system into EMC zones: EMC zones Figure 4-1 Example of the EMC zones of a plant or machine...
  • Page 56: Control Cabinet

    Installing 4.1 EMC-compliant installation of a machine or system 4.1.1 Control cabinet ● Assign the various devices to zones in the control cabinet. ● Electromagnetically uncouple the zones from each other by means of one of the following actions: – Side clearance ≥ 25 cm –...
  • Page 57: Cables

    Grounding and high-frequency equipotential bonding measures in the control cabinet and in the plant/system Further information Additional information about EMC-compliant installation is available in the Internet: EMC installation guideline (http://support.automation.siemens.com/WW/view/en/ 60612658) 4.1.2 Cables Cables with a high level of interference and cables with a low level of interference are connected to the inverter: ●...
  • Page 58 Installing 4.1 EMC-compliant installation of a machine or system Cable routing inside the cabinet ● Route the power cables with a high level of interference so that there is a minimum clearance of 25 cm to cables with a low level of interference. If the minimum clearance of 25 cm is not possible, insert separating metal sheets between the cables with a high level of interference and cables with a low level of interference.
  • Page 59 Installing 4.1 EMC-compliant installation of a machine or system Routing cables outside the control cabinet ● Maintain a minimum clearance of 25 cm between cables with a high level of interference and cables with a low level of interference. ● Using shielded cables for the following connections: –...
  • Page 60: Electromechanical Components

    Installing 4.1 EMC-compliant installation of a machine or system 4.1.3 Electromechanical components Surge voltage protection circuit ● Connect surge voltage protection circuits to the following components: – Coils of contactors – Relays – Solenoid valves – Motor holding brakes ● Connect the surge voltage protection circuit directly at the coil. ●...
  • Page 61: Installing Reactors, Filters And Braking Resistors

    Installing 4.2 Installing reactors, filters and braking resistors Installing reactors, filters and braking resistors Installing reactors, filters and braking resistors The following supplementary components may be required depending on the Power Modules and the particular application: ● Line reactors ● Filter ●...
  • Page 62: Installing Power Modules

    Installing 4.3 Installing Power Modules Installing Power Modules 4.3.1 Basic installation rules for built-in units Protection against the spread of fire The device may be operated only in closed housings or in control cabinets with protective covers that are closed, and when all of the protective devices are used. The installation of the device in a metal control cabinet or the protection with another equivalent measure must prevent the spread of fire and emissions outside the control cabinet.
  • Page 63 Installing 4.3 Installing Power Modules Rules for admissible mounting: ● Only mount the Power Module in a vertical position with the motor connectors at the bottom. ● Maintain the minimum clearances to other components. ● Use the specified installation parts and components. ●...
  • Page 64: Dimensioned Drawings, Drilling Dimensions For The Pm240-2 Power Module, Ip20

    Installing 4.3 Installing Power Modules 4.3.2 Dimensioned drawings, drilling dimensions for the PM240-2 Power Module, IP20 The following dimension drawings and drilling patterns are not to scale. Frame sizes FSA ... FSC Table 4-1 Dimensions depend on the operator panel (OP) that is inserted Frame Width Height [mm]...
  • Page 65 Installing 4.3 Installing Power Modules Frame sizes FSD … FSF Table 4-3 Dimensions depend on the operator panel (OP) that is inserted Frame Width Height [mm] Mounting depth in the cabinet with size [mm] Control Unit (CU) [mm] without shield with shield plate without OP with OP...
  • Page 66 Installing 4.3 Installing Power Modules Frame Drilling dimensions [mm] Cooling air clearances [mm] Fixing/torque [Nm] size Bottom Front 4 x M8 / 25 970.5 4 x M8 / 25 The Power Module is designed for mounting without any lateral cooling air clearance. For tolerance reasons, we recommend a lateral clearance of approx.
  • Page 67: Technology

    Installing 4.3 Installing Power Modules 4.3.3 Dimension drawings, drilling dimensions for PM240-2 Power Modules in push- through technology The following dimension drawings and drilling patterns are not to scale. Frame sizes FSA ... FSC Panel thickness of the control cabinet ≤ 3.5 mm Figure 4-5 Dimension drawing and drilling dimensions for frame sizes FSA ...
  • Page 68 Installing 4.3 Installing Power Modules Table 4-6 Cooling air clearances and additional dimensions Frame Power Module depth [mm] Cooling air clearances [mm] size Bottom Front FSA … The Power Module is designed for mounting without any lateral cooling air clearance. For tolerance reasons, we recommend a lateral clearance of 1 mm.
  • Page 69 Installing 4.3 Installing Power Modules Frame sizes FSD … FSF Panel thickness of the control cabinet ≤ 3.5 mm Figure 4-6 Dimension drawing and drilling dimensions for frame sizes FSD ... FSF Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 70 Installing 4.3 Installing Power Modules Table 4-8 Dimensions depend on the operator panel (OP) that is inserted Frame Width Height [mm] Mounting depth in the cabinet with size [mm] Control Unit (CU) [mm] without shield with shield plate without OP with OP plate 1021...
  • Page 71: Dimensioned Drawings, Drilling Dimensions For The Pm250 Power Module

    Installing 4.3 Installing Power Modules 4.3.4 Dimensioned drawings, drilling dimensions for the PM250 Power Module The following dimension drawings and drilling patterns are not to scale. Frame size FSC Table 4-11 Dimensions depend on the operator panel (OP) that is inserted Frame Mounting depth in the cabinet with Control Unit (CU) [mm] size...
  • Page 72 Installing 4.3 Installing Power Modules Frame sizes FSD … FSF Table 4-13 Dimensions depend on the operator panel (OP) that is inserted Frame Width Height [mm] Mounting depth in the cabinet with size [mm] Control Unit (CU) [mm] without shield with shield plate without OP with OP...
  • Page 73 Installing 4.3 Installing Power Modules Table 4-14 Drilling dimensions, cooling clearances and fixing Frame size Drilling dimensions [mm] Cooling air clearances [mm] Fixing/torque [Nm] Bottom Front FSD without filter 4 x M6 / 6 FSD with filter 4 x M6 / 6 FSE without filter 4 x M6 / 6 FSE with filter...
  • Page 74: Connecting The Line Supply And Motor

    Installing 4.4 Connecting the line supply and motor Connecting the line supply and motor WARNING Electric shock when the motor terminal box is open As soon as the inverter is connected to the line supply, the motor connections of the inverter may carry dangerous voltages.
  • Page 75: Tn Line System

    Installing 4.4 Connecting the line supply and motor Screw for functional grounding on the converter, frame size FSG If you wish to use the inverters with integrated C3 line filter, please note the information in the sections "TN line system", "TT line system" and "IT system" below. Figure 4-7 Remove screw for functional grounding 4.4.1.1...
  • Page 76 Installing 4.4 Connecting the line supply and motor Inverter connected to a TN system ● Inverters with integrated line filter: – Operation on TN line systems with grounded neutral point permissible. – Operation on TN line systems with grounded line conductor not permissible. Note Special feature of FSG inverters FSG inverters with integrated C3 line filter can be operated in TN line systems ≤...
  • Page 77: Tt Line System

    Installing 4.4 Connecting the line supply and motor 4.4.1.2 TT line system In a TT line system, the transformer grounding and the installation grounding are independ‐ ent of one another. There are TT line supplies where the neutral conductor N is either transferred – or not. Note Operation in IEC or UL systems For installations in compliance with IEC, operation on TT line systems is permissible.
  • Page 78: It System

    Installing 4.4 Connecting the line supply and motor 4.4.1.3 IT system In an IT line system, all of the conductors are insulated with respect to the PE protective conductor – or connected to the PE protective conductor through an impedance. There are IT systems with and without transfer of the neutral conductor N.
  • Page 79: Protective Conductor

    Installing 4.4 Connecting the line supply and motor 4.4.2 Protective conductor WARNING Electric shock due to interrupted protective conductor The drive components conduct a high leakage current via the protective conductor. Touching conductive parts when the protective conductor is interrupted can result in death or serious injury.
  • Page 80 Installing 4.4 Connecting the line supply and motor ① Additional requirements placed on the protective conductor ● For permanent connection, the protective conductor must fulfill at least one of the following conditions: – The protective conductor is routed so that it is protected against damage along its complete length.
  • Page 81: Connecting An Inverter With The Pm240-2 Power Module

    Installing 4.4 Connecting the line supply and motor 4.4.3 Connecting an inverter with the PM240-2 Power Module Figure 4-8 Connection of the PM240-2 Power Module, 3 AC, FSA … FSC Figure 4-9 Connection of the PM240-2 Power Module, 3 AC, FSD … FSF Figure 4-10 Connection of the PM240-2 Power Module, 1 AC 200 V, FSA …...
  • Page 82 Installing 4.4 Connecting the line supply and motor Figure 4-11 Connection of the PM240-2 Power Module, 1 AC 200 V, FSD … FSF Table 4-15 Connection, cross-section and tightening torque for PM240-2 Power Modules Inverter Connection Cross-section, tightening torque Stripped insulation Metric Imperial...
  • Page 83 Installing 4.4 Connecting the line supply and motor Connections for frame sizes FSA … FSC The Power Modules are equipped with withdraw‐ able plug connectors that cannot be inadvertently interchanged. To remove a plug connector, you must release it by pressing on the red lever. ①...
  • Page 84 Installing 4.4 Connecting the line supply and motor Figure 4-12 Connections for the line supply, motor and braking resistor You must re-attach the connection covers in order to re-establish the touch protection of the inverter after it has been connected up. Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 85 Installing 4.4 Connecting the line supply and motor Additional information when connecting FSG inverters Note Conductor cross-section 240 mm Cable lugs for M10 bolts according to SN71322 are suitable for cables with cross-sections of 35 mm … 185 mm (1 AWG … 2 × 350 MCM). If you wish to establish connections with cables of 240 mm (500 MCM), you must use narrow cable lugs, e.g.
  • Page 86: Connecting The Inverter With The Pm250 Power Module

    Installing 4.4 Connecting the line supply and motor 4.4.4 Connecting the inverter with the PM250 Power Module Figure 4-13 Connecting the PM250 Power Module Table 4-16 Connection, cross-section and tightening torque for PM250 Power Modules Inverter Line supply and motor connection Cross-section and tightening torque Stripped insulation...
  • Page 87 Installing 4.4 Connecting the line supply and motor Connections for frame sizes FSD … FSF The line and motor connections have covers to prevent them from being touched. You must open the cover to connect the line and motor: 1. Release the catches on both sides of the covers using a screwdriver. 2.
  • Page 88: Connecting The Motor To The Inverter In A Star Or Delta Connection

    Installing 4.4 Connecting the line supply and motor 4.4.5 Connecting the motor to the inverter in a star or delta connection Standard induction motors with a rated power of approximately ≤ 3 kW are normally connected in a star/delta connection (Y/Δ) at 400 V/230 V. For a 400‑V line supply, you can connect the motor to the inverter either in a star or in a delta connection.
  • Page 89: Connecting A Motor Holding Brake

    Installing 4.4 Connecting the line supply and motor 4.4.6 Connecting a motor holding brake The inverter uses the Brake Relay to control the motor holding brake. Two types of Brake Relay exist: ● The Brake Relay controls the motor holding brake ●...
  • Page 90 Installing 4.4 Connecting the line supply and motor Safe Brake Relay Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 91: Installing A Brake Relay - Pm250 Power Module

    Installing 4.4 Connecting the line supply and motor 4.4.6.1 Installing a Brake Relay - PM250 Power Module Installing the Brake Relay If you use the optional shield plate, install the Brake Relay on the shield plate of the Power Module. If you do not use the shield plate, install the Brake Relay as close as possible to the Power Module.
  • Page 92: Installing A Brake Relay - Pm240-2 Power Module

    Installing 4.4 Connecting the line supply and motor 4.4.6.2 Installing a Brake Relay - PM240-2 Power Module Installing the Brake Relay ● FSA … FSC: Install the Brake Relay next to the Power Module. ● FSD … FSG: Install the Brake Relay at the rear of the lower shield plate. Attach the Brake Relay before you install the shield plate.
  • Page 93: Connecting The Interfaces For The Inverter Control

    Installing 4.5 Connecting the interfaces for the inverter control Connecting the interfaces for the inverter control The Power Module has a holder for the Control Unit and a release mechanism. There are different release mechanisms depending on the particular Power Module. Inserting the Control Unit Procedure 1.
  • Page 94: Overview Of The Interfaces On The Front And Upper Side

    Installing 4.5 Connecting the interfaces for the inverter control 4.5.1 Overview of the interfaces on the front and upper side. To access the interfaces at the front of the Control Unit, you must unplug the Operator Panel (if one is being used) and open the front doors.
  • Page 95: Terminal Strips Behind The Upper Front Door

    Installing 4.5 Connecting the interfaces for the inverter control 4.5.2 Terminal strips behind the upper front door Figure 4-14 Interconnection example of the digital inputs with external 24 V power supply All terminals with reference potential "GND" are connected with one another in the inverter. Connecting the optional 24 V supply to terminals 31, 32 has the following advantages: ●...
  • Page 96: Terminal Strips Behind The Lower Front Door

    Installing 4.5 Connecting the interfaces for the inverter control → connect the 0 V of the power supply with the protective conductor. If you use a common external power supply for terminals 31, 32 and the digital inputs, you must connect "GND" and the reference potential of the digital input ("DI COM1/2/3") with each other at the terminals.
  • Page 97: Fieldbus And Encoder Interfaces On The Lower Side

    Installing 4.5 Connecting the interfaces for the inverter control 4.5.4 Fieldbus and encoder interfaces on the lower side Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 98: Factory Interface Settings

    Installing 4.5 Connecting the interfaces for the inverter control 4.5.5 Factory interface settings The factory setting of the interfaces depends on which fieldbus the Control Unit supports. Control Units with USS or CANopen interface The fieldbus interface is not active. Figure 4-16 Factory setting of the CU250S-2 and CU250S-2 CAN Control Units Converter with the CU250S-2 Control Units...
  • Page 99 Installing 4.5 Connecting the interfaces for the inverter control Control Units with PROFIBUS or PROFINET interface The function of the fieldbus interface depends on DI 3. Figure 4-17 Factory setting of the CU250S-2 DP and CU250S-2 PN Control Units Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 100: Default Setting Of The Interfaces

    Installing 4.5 Connecting the interfaces for the inverter control 4.5.6 Default setting of the interfaces Changing the function of the terminals The function of the terminals and fieldbus interface can be adjusted. In order that you do not have to successively change terminal for terminal, several terminals can be jointly set using default settings ("p0015 Macro drive unit").
  • Page 101 Installing 4.5 Connecting the interfaces for the inverter control Default setting 2: "Conveyor systems with Basic Safety" DO 0: p0730, DO 1: p0731 AO 0: p0771[0], AO 1: p0771[1] DI 0: r0722.0, …, DI 5: r0722.5 Fixed speed setpoint 1: p1001, fixed speed setpoint 2: p1002, fixed speed setpoint active: r1024 Speed setpoint (main setpoint): p1070[0] = 1024 DI 0 and DI 1 = high: The inverter adds both fixed speed setpoints.
  • Page 102 Installing 4.5 Connecting the interfaces for the inverter control Default setting 4: "Conveyor system with fieldbus" DO 0: p0730, DO 1: p0731 AO 0: p0771[0], AO 1: p0771[1] Speed setpoint (main setpoint): p1070[0] = 2050[1] Designation in the BOP-2: coN Fb Default setting 5: "Conveyor systems with fieldbus and Basic Safety"...
  • Page 103 Installing 4.5 Connecting the interfaces for the inverter control Default setting 7: "Fieldbus with data set switchover" Factory setting for inverters with PROFIBUS interface DO 0: p0730, DO 1: p0731 AO 0: p0771[0], AO 1: p0771[1] DI 0: r0722.0, …, DI 3: r0722.3 Speed setpoint (main setpoint): p1070[0] = 2050[1] Jog 1 speed setpoint: p1058, factory setting: 150 rpm Jog 2 speed setpoint: p1059, factory setting: -150 rpm...
  • Page 104 Installing 4.5 Connecting the interfaces for the inverter control Default setting 8: "MOP with Basic Safety" MOP = motorized potentiometer DO 0: p0730, DO 1: p0731 AO 0: p0771[0], AO 1: p0771[1] DI 0: r0722.0, …, DI 5: r0722.5 Motorized potentiometer setpoint after ramp-function generator: r1050 Speed setpoint (main setpoint): p1070[0] = 1050 Designation in the BOP-2: MoP SAFE Default setting 9: "Standard I/O with MOP"...
  • Page 105 Installing 4.5 Connecting the interfaces for the inverter control Default setting 12: "Standard I/O with analog setpoint" DO 0: p0730, DO 1: AO 0: p0771[0], DI 0: r0722.0, …, DI 2: r0722.2 AI 0: r0755[0] p0731 AO 1: p0771[1] Speed setpoint (main setpoint): p1070[0] = 755[0] Designation in the BOP-2: Std ASP Default setting 13: "Standard I/O with analog setpoint and safety"...
  • Page 106 Installing 4.5 Connecting the interfaces for the inverter control Default setting 14: "Process industry with fieldbus" PROFIdrive telegram 20 MOP = motorized potentiometer DO 0: p0730, DO 1: p0731 AO 0: p0771[0], AO 1: p0771[1] DI 0: r0722.0, …, DI 5: r0722.5 Motorized potentiometer setpoint after ramp-function generator: r1050 Speed setpoint (main setpoint): p1070[0] = 2050[1], p1070[1] = 1050 Switch controller via PZD01, bit 15: p0810 = r2090.15...
  • Page 107 Installing 4.5 Connecting the interfaces for the inverter control Default setting 15: "Process industry" MOP = motorized potentiometer DO 0: p0730, DO 1: AO 0: p0771[0], DI 0: r0722.5, …, DI 4: r0722.5 AI 0: r0755[0] p0731 AO 1: p0771[1] Motorized potentiometer setpoint after ramp-function generator: r1050 Speed setpoint (main setpoint): p1070[0] = 755[0], p1070[1] = 1050 Designation in the BOP-2: Proc...
  • Page 108 Installing 4.5 Connecting the interfaces for the inverter control Default setting 18: "2-wire (forw/backw2)" DO 0: p0730, DO 1: AO 0: p0771[0], DI 0: r0722.0, …, DI 2: r0722.2 AI 0: r0755[0] p0731 AO 1: p0771[1] Speed setpoint (main setpoint): p1070[0] = 755[0] Designation in the BOP-2: 2-wIrE 2 Default setting 19: "3-wire (enable/forw/backw)"...
  • Page 109 Installing 4.5 Connecting the interfaces for the inverter control Default setting 20: "3-wire (enable/on/reverse)" DO 0: p0730, DO 1: AO 0: p0771[0], DI 0: r0722.0, …, DI 4: r0722.4 AI 0: r0755[0] p0731 AO 1: p0771[1] Speed setpoint (main setpoint): p1070[0] = 755[0] Designation in the BOP-2: 3-wIrE 2 Default setting 21: "USS fieldbus"...
  • Page 110 Installing 4.5 Connecting the interfaces for the inverter control Default setting 22: "CAN fieldbus" DO 0: p0730, DO 1: p0731 AO 0: p0771[0], AO 1: p0771[1] DI 2: r0722.2 Speed setpoint (main setpoint): p1070[0] = 2050[1] Designation in the BOP-2: FB CAN Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 111: Fail-Safe Digital Input

    Installing 4.5 Connecting the interfaces for the inverter control 4.5.7 Fail-safe digital input To enable a safety function via the terminal strip of the inverter, you need a fail-safe digital input. For specific default settings of the terminal strip, e.g. default setting 2, the inverter combines two digital inputs to form one fail-safe digital input FDI 0.
  • Page 112: Wire Up The Terminal Strip And Connect The Shield

    "External fault" function. You can find additional information about the temperature monitoring relay on the Internet: Manual 3RS1 / 3RS2 temperature monitoring relays (https:// support.industry.siemens.com/cs/ww/en/view/54999309) Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 113 Further information is provided on the Internet: EMC installation guideline (http://support.automation.siemens.com/WW/view/en/ 60612658) ● Use the shield connection kit (Article No. 6SL3264-1EA00-0LA0) of the Control Unit as strain relief.
  • Page 114 Installing 4.5 Connecting the interfaces for the inverter control Connecting encoder and signal cables to the terminal strip in compliance with EMC ● Use shielded cables. ③ ● Mount the shield plate of the Control Unit. ① Signal cables ● Connect the shield of the signal cables to the shield ③...
  • Page 115: Connecting The Temperature Contact Of The Braking Resistor

    Installing 4.5 Connecting the interfaces for the inverter control 4.5.9 Connecting the temperature contact of the braking resistor WARNING Fire caused by an unsuitable or incorrectly installed braking resistor Using an unsuitable or improperly installed braking resistor can cause fires and smoke to develop.
  • Page 116: Connecting The Inverter To Profinet

    Installing 4.5 Connecting the interfaces for the inverter control Fieldbus Profiles S7 commu‐ Control Unit nication PROFIdrive PROFIsafe PROFIenergy CU250S-2 Modbus RTU CANopen CU250S-2 CAN Information on PROFIsafe can be found in the "Safety Integrated" function manual. Information about fieldbuses, profiles and communication types can be found in the "Fieldbus"...
  • Page 117: Connecting The Profinet Cable To The Inverter

    Further information on the operation as Ethernet nodes can be found in the Function Manual "Fieldbuses". Overview of the manuals (Page 519) Further information on PROFINET Further information on PROFINET can be found on the Internet: ● PROFINET – the Ethernet standard for automation (http://w3.siemens.com/mcms/ automation/en/industrial-communications/profinet/Pages/Default.aspx) ● PROFINET system description (https://support.industry.siemens.com/cs/ww/en/view/ 19292127) 4.5.11.2...
  • Page 118: What Do You Have To Set For Communication Via Profinet

    Controlling the speed of a SINAMICS G110M/G120/G120C/G120D with S7-300/400F via PROFINET or PROFIBUS, with Safety Integrated (via terminal) and HMI (https:// support.industry.siemens.com/cs/ww/en/view/60441457) Controlling the speed of a SINAMICS G110M / G120 (Startdrive) with S7-1500 (TO) via PROFINET or PROFIBUS, with Safety Integrated (via terminal) and HMI (https:// support.industry.siemens.com/cs/ww/en/view/78788716)
  • Page 119: Installing Gsdml

    – Without Internet access: Insert a memory card into the inverter. Set p0804 = 12. The inverter writes the GSDML as zipped file (*.zip) into directory /SIEMENS/SINAMICS/ DATA/CFG on the memory card. 2. Unzip the GSDML file on your computer.
  • Page 120: Connecting The Profibus Cable To The Inverter

    Controlling the speed of a SINAMICS G110M/G120/G120C/G120D with S7-300/400F via PROFINET or PROFIBUS, with Safety Integrated (via terminal) and HMI (https:// support.industry.siemens.com/cs/ww/en/view/60441457) Controlling the speed of a SINAMICS G110M / G120 (Startdrive) with S7-1500 (TO) via PROFINET or PROFIBUS, with Safety Integrated (via terminal) and HMI (https:// support.industry.siemens.com/cs/ww/en/view/78788716)
  • Page 121: Installing The Gsd

    – Without Internet access: Insert a memory card into the inverter. Set p0804 to 12. The inverter writes the GSD as zipped file (*.zip) into directory /SIEMENS/SINAMICS/ DATA/CFG on the memory card. 2. Unzip the GSD file on your computer.
  • Page 122 Installing 4.5 Connecting the interfaces for the inverter control Overview of the interfaces on the front and upper side. (Page 92) Setting the bus address Procedure 1. Set the address using one of the subsequently listed options: – Via the address switch –...
  • Page 123: Installing Encoders

    (Page 93) You can find information about prefabricated encoder cables for the terminal strip and the SUB- D interface-X2100 in the Internet: Encoder cables (https://support.industry.siemens.com/cs/de/en/view/108441438) Example: Connecting an SSI encoder to SUB-D connector -X2100 Figure 4-22 Connecting SSI encoders 1XP8014-20, 1XP8024-20 or 1XP8024-21 Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 124 Installing 4.6 Installing encoders Suitable prefabricated encoder cables: ● 6FX5002-2CC06-… ● 6FX8002-2CC06-… Example: Connecting an HTL encoder at terminal strip -X136 Figure 4-23 Connecting a bipolar HTL encoder 1XP8012 or 1XP8032 Suitable prefabricated encoder cables: ● 6FX5002-2CA12-… ● 6FX8002-2CA12-… Example: Connecting a unipolar HTL encoder at terminal strip -X136 Figure 4-24 Connecting a unipolar HTL encoder Converter with the CU250S-2 Control Units...
  • Page 125 You can find information about prefabricated encoder cables for the Sensor Module in the Internet: Encoder cables (https://support.industry.siemens.com/cs/de/en/view/108441438) You can find additional information on installing and connecting the Sensor Modules in the "SINAMICS S120 Control Units and supplementary system components" manual.
  • Page 126 Installing 4.6 Installing encoders Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 127: Commissioning

    Commissioning Commissioning guidelines Overview 1. Define the requirements to be met by the drive for your application. (Page 127) 2. Restore the factory settings of the inverter if necessary. (Page 152) 3. Check if the factory setting of the inverter is sufficient for your application.
  • Page 128: Tools To Commission The Inverter

    Startdrive DVD: Article number 6SL3072-4CA02-1XG0 Startdrive, system requirements and download (https://support.industry.siemens.com/cs/ ww/en/view/109752254) STARTER, system requirements and download (http://support.automation.siemens.com/ WW/view/en/26233208) Startdrive tutorial (http://support.automation.siemens.com/WW/view/en/73598459) STARTER videos (http://www.automation.siemens.com/mcms/mc-drives/en/low-voltage- inverter/sinamics-g120/videos/Pages/videos.aspx) Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 129: Preparing For Commissioning

    Commissioning 5.3 Preparing for commissioning Preparing for commissioning 5.3.1 Collecting motor data Data for a standard induction motor Before starting commissioning, you must know the following data: ● Which motor is connected to the inverter? Note down the Article No. of the motor and the motor’s nameplate data. If available, note down the motor code on the motor’s nameplate.
  • Page 130: Forming Dc Link Capacitors

    Commissioning 5.3 Preparing for commissioning 5.3.2 Forming DC link capacitors Description You may have to reform the DC link capacitors if the power module has been stored for more than one year. When the converter is operational, DC link capacitors that have not been formed can be damaged.
  • Page 131 Commissioning 5.3 Preparing for commissioning Form DC Link of other power modules Formation of the DC link capacitors is not required for the following power modules even after a lengthy period of storage. ● PM230 ● PM250 Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 132: Inverter Factory Setting

    Commissioning 5.3 Preparing for commissioning 5.3.3 Inverter factory setting Motor With its factory settings, the inverter is set up for an induction motor suitable for the power rating of the Power Module. Inverter interfaces The inputs and outputs and the fieldbus interface of the inverter have specific functions when set to the factory settings.
  • Page 133 Commissioning 5.3 Preparing for commissioning Switching the motor on and off in the jog mode Figure 5-4 Jogging the motor with the factory settings In the case of inverters with a PROFIBUS or PROFINET interface, operation can be switched via digital input DI 3. The motor is either switched on and off via PROFIBUS – or operated in jog mode via its digital inputs.
  • Page 134: Inverter Function Modules

    Commissioning 5.3 Preparing for commissioning 5.3.4 Inverter function modules Function modules Not all of the inverter functions are enabled in the factory setting. For instance, you must enable the "Encoder" function, so that the inverter can evaluate an encoder signal. A function module is a set of inverter functions that can be released or inhibited all together.
  • Page 135 Only configure function modules that you actually require for your particular application. Further information is provided on the Internet: FAQ combination of functions (http://support.automation.siemens.com/WW/view/en/ 90157463) Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 136: Quick Commissioning With A Pc

    Commissioning 5.4 Quick commissioning with a PC Quick commissioning with a PC The screen forms that are shown in this manual show generally valid examples. The number of setting options available in screen forms depends on the particular inverter type. 5.4.1 Creating a project Creating a new project...
  • Page 137: Transfer Inverters Connected Via Usb Into The Project

    Commissioning 5.4 Quick commissioning with a PC 5.4.2 Transfer inverters connected via USB into the project Integrating the inverter into the project Procedure 1. Switch on the inverter power supply. 2. First insert a USB cable into your PC and then into the inverter. 3.
  • Page 138: Starting Wizards For The Quick Commissioning

    Commissioning 5.4 Quick commissioning with a PC 5.4.3 Starting wizards for the quick commissioning Starting commissioning wizards Procedure 1. In the project, select the drive you wish to commission. 2. Press the following buttons: You have started the commissioning wizard. ❒...
  • Page 139 Commissioning 5.4 Quick commissioning with a PC Application Standard Drive Control Dynamic Drive Control Dynamic Drive Control class without encoder with encoder Properties of ● Typical correction time after a ● Typical settling time after a speed change: < 100 ms the closed- speed change: 100 ms …...
  • Page 140 Commissioning 5.4 Quick commissioning with a PC Application Standard Drive Control Dynamic Drive Control Dynamic Drive Control class without encoder with encoder Torque con‐ Without torque control Speed control with lower-level torque control trol Position con‐ Without position control ● Positioning cycles using the "Basic positioner" function > approx. trol 500ms ●...
  • Page 141: Standard Drive Control

    Commissioning 5.4 Quick commissioning with a PC 5.4.4 Standard Drive Control Procedure for application class [1]: Standard Drive Control The wizard only displays the "setpoint input" if you configured an inverter with PROFINET or PROFIBUS interface. Select whether the inverter is connected to a higher-level control via the fieldbus. Select whether the ramp-function generator for the speed setpoint is implemented in the higher- level control or in the inverter.
  • Page 142 Commissioning 5.4 Quick commissioning with a PC Motor identification (not all the following settings may be visible in Startdrive): ● [0]: No motor data identification ● [2]: Recommended setting. Measure the motor data at standstill. The inverter switches off the motor after the motor data identification has been completed. Select this setting if the motor cannot freely rotate, e.g.
  • Page 143: Dynamic Drive Control

    Commissioning 5.4 Quick commissioning with a PC 5.4.5 Dynamic Drive Control Procedure for application class [2]: Dynamic Drive Control The wizard only displays the "setpoint input" if you configured an inverter with PROFINET or PROFIBUS interface. Select whether the inverter is connected to a higher-level control via the fieldbus. Select whether the ramp-function generator for the speed setpoint is implemented in the higher- level control or in the inverter.
  • Page 144 Commissioning 5.4 Quick commissioning with a PC Motor identification: ● [1]: Recommended setting. Measure the motor data at standstill and with the motor rotating. The inverter switches off the motor after the motor data identification has been completed. ● [2]: Measure the motor data at standstill. The inverter switches off the motor after the motor data identification has been completed.
  • Page 145: Expert

    Commissioning 5.4 Quick commissioning with a PC 5.4.6 Expert Procedure without application class or for the application class [0]: Expert The wizard only displays the "setpoint input" if you configured an inverter with PROFINET or PROFIBUS interface. Select whether the inverter is connected to a higher-level control via the fieldbus. Select whether the ramp-function generator for the speed setpoint is implemented in the higher- level control or in the inverter.
  • Page 146 Commissioning 5.4 Quick commissioning with a PC Control mode U/f control or flux current control (FCC) Vector control without an encoder Vector control with an encoder Properties ● Responds to speed changes with ● The vector control responds to speed changes with a typical a typical settling time of settling time of <...
  • Page 147 Commissioning 5.4 Quick commissioning with a PC Control mode U/f control or flux current control (FCC) Vector control without an encoder Vector control with an encoder Position con‐ Without position control ● Positioning cycles using the "Basic positioner" function > approx. trol 500ms ●...
  • Page 148 Commissioning 5.4 Quick commissioning with a PC ● [3]: Setting only for steady-state operation with slow speed changes. We recommend setting [1] if load surges in operation cannot be ruled out. ● [5]: Applications with high breakaway torque Motor identification: ●...
  • Page 149: Configuring Encoders

    Commissioning 5.4 Quick commissioning with a PC 5.4.7 Configuring encoders Set the following: ● Select whether the inverter evaluates one or two encoders. ● Select the interface via which the inverter evaluates the encoder. ● Select a standard encoder from the list of encoder types. –...
  • Page 150: Adapting The Encoder Data

    Commissioning 5.4 Quick commissioning with a PC 5.4.8 Adapting the encoder data Preconditions ● You have selected an encoder type that does not precisely match your encoder, because it is not included in the list of default encoder types. ● You have completely configured the drive. Procedure 1.
  • Page 151: Loading The Settings Into The Inverter

    Commissioning 5.4 Quick commissioning with a PC 5.4.9 Loading the settings into the inverter Procedure 1. Select your drive. 2. Press the "Load to device" button. 3. ☑ In the following screen form, select "Back up parameter assignment in the EEPROM". 4.
  • Page 152: Identify Motor Data

    Commissioning 5.4 Quick commissioning with a PC 5.4.10 Identify motor data Overview Using the motor data identification, the inverter measures the data of the stationary motor. In addition, based on the response of the rotating motor, the inverter can determine a suitable setting for the vector control.
  • Page 153 Commissioning 5.4 Quick commissioning with a PC 1. Open the control panel. 2. Assume master control for the inverter. 3. Set the "Drive enables" 4. Switch on the motor. The inverter starts the motor data identification. This measurement can take several minutes.
  • Page 154: Restoring The Factory Setting

    Commissioning 5.5 Restoring the factory setting Restoring the factory setting When must you reset the inverter to the factory settings? Reset the inverter to the factory settings in the following cases: ● The line voltage was interrupted during commissioning and you were not able to complete commissioning.
  • Page 155: Resetting The Safety Functions To The Factory Setting

    Commissioning 5.5 Restoring the factory setting 5.5.1 Resetting the safety functions to the factory setting Procedure 1. Go online. 2. Select "Commissioning". 3. Select "Backing up/reset". 4. Select "Safety parameters are reset". 5. Press the "Start" button. 6. Enter the password for the safety functions. 7.
  • Page 156 Commissioning 5.5 Restoring the factory setting 7. Switch off the inverter power supply. 8. Wait until all LEDs on the inverter are dark. 9. Switch on the inverter power supply again. You have restored the safety function settings of your inverter to the factory settings. ❒...
  • Page 157: Restore The Factory Settings (Without Safety Functions)

    Commissioning 5.5 Restoring the factory setting 5.5.2 Restore the factory settings (without safety functions) Restore the factory inverter settings Procedure with Startdrive 1. Go online. 2. Select "Commissioning". 3. Select "Backing up/reset". 4. Select "All parameters are reset". 5. Press the "Start" button. 6.
  • Page 158 Commissioning 5.5 Restoring the factory setting Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 159: Advanced Commissioning

    Advanced commissioning Overview of the converter functions Drive control The inverter receives its commands from the higher-level control via the terminal strip or the fieldbus interface of the Control Unit. The drive control defines how the inverter responds to the commands. Sequence control when switching the motor on and off (Page 161) Adapt the default setting of the terminal strip (Page 164) Controlling clockwise and counter-clockwise rotation via digital inputs (Page 177)
  • Page 160 Advanced commissioning 6.1 Overview of the converter functions The inverter provides a motor holding brake control. The motor holding brake holds the motor in position when it is switched off. Motor holding brake (Page 220) The free function blocks permit configurable signal processing within the inverter. Free function blocks (Page 224) You can select in which physical units the inverter represents its associated values.
  • Page 161 Advanced commissioning 6.1 Overview of the converter functions Overview of the manuals (Page 519) Motor control The motor closed-loop control ensures that the motor follows the speed setpoint. You can choose between various control modes. Motor control (Page 288) The inverter has various methods to electrically brake the motor. When electrically braking, the motor develops a torque, which reduces the speed down to standstill.
  • Page 162 Advanced commissioning 6.1 Overview of the converter functions Line contactor control (Page 355) The inverter calculates how much energy controlled inverter operation saves when compared to mechanical flow control (e.g. throttle). Calculating the energy saving for fluid flow machines (Page 357) Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 163: Sequence Control When Switching The Motor On And Off

    Advanced commissioning 6.2 Sequence control when switching the motor on and off Sequence control when switching the motor on and off Overview The sequence control defines the rules for switching the motor on and off. Figure 6-1 Simplified representation of the sequence control After switching the supply voltage on, the inverter normally goes into the "ready to start"...
  • Page 164 Advanced commissioning 6.2 Sequence control when switching the motor on and off Function description Figure 6-2 Sequence control of the inverter when the motor is switched on and off Inverter states S1 … S5c are defined in the PROFIdrive profile. The sequence control defines the transition from one state to another.
  • Page 165 Advanced commissioning 6.2 Sequence control when switching the motor on and off Table 6-2 Commands for switching the motor on and off The inverter switches the motor on. Jogging 1 Jogging 2 Enable operation OFF1, OFF3 The inverter brakes the motor. The inverter switches off the motor once it comes to a standstill. The motor is considered to be stationary if the speed is less than a defined minimum speed.
  • Page 166: Adapt The Default Setting Of The Terminal Strip

    Advanced commissioning 6.3 Adapt the default setting of the terminal strip Adapt the default setting of the terminal strip In the inverter, the input and output signals are interconnected with specific inverter functions using special parameters. The following parameters are available to interconnect signals: ●...
  • Page 167: Digital Inputs

    Advanced commissioning 6.3 Adapt the default setting of the terminal strip 6.3.1 Digital inputs Changing the function of a digital input To change the function of a digital input, you must intercon‐ nect the status parameter of the digital input with a binector input of your choice.
  • Page 168 Advanced commissioning 6.3 Adapt the default setting of the terminal strip Advanced settings You can debounce the digital input signal using parameter p0724. For more information, please see the parameter list and the function block diagrams 2220 f of the List Manual. Overview of the manuals (Page 519) Using switchable terminals as digital inputs In the inverter factory setting, the switch‐...
  • Page 169 Advanced commissioning 6.3 Adapt the default setting of the terminal strip Defining a fail-safe digital input To enable a safety function via the terminal strip of the inverter, you need a fail-safe digital input. The inverter combines two digital inputs into one fail-safe digital input.
  • Page 170: Digital Outputs

    Advanced commissioning 6.3 Adapt the default setting of the terminal strip 6.3.2 Digital outputs Changing the function of a digital output To change the function of a digital output, you must interconnect the digital output with a binector output of your choice. Interconnecting signals in the inverter (Page 503) Binector outputs are marked with "BO"...
  • Page 171 Advanced commissioning 6.3 Adapt the default setting of the terminal strip Advanced settings You can invert the signal of the digital output using parameter p0748. For more information, please see the parameter list and the function diagrams 2230 f of the List Manual.
  • Page 172: Analog Inputs

    Advanced commissioning 6.3 Adapt the default setting of the terminal strip 6.3.3 Analog inputs Overview The parameter p0756[x] and the switch on the inverter specify the analog input type. Define the function of the analog input by inter‐ connecting parameter p0755[x] with a connec‐ tor input CI of your choice.
  • Page 173 Advanced commissioning 6.3 Adapt the default setting of the terminal strip Characteristics If you change the analog input type using p0756, then the inverter automatically selects the appropriate scaling of the analog input. The linear scaling characteristic is defined using two points (p0757, p0758) and (p0759, p0760).
  • Page 174 Advanced commissioning 6.3 Adapt the default setting of the terminal strip Procedure 1. Set the DIP switch for analog input 0 on the Control Unit to current input ("I"): 2. set p0756[0] = 3 You have defined analog input 0 as current input with wire break monitoring. 3.
  • Page 175 Advanced commissioning 6.3 Adapt the default setting of the terminal strip You can find more information in the parameter list and in function diagram 2251 of the List Manual. Overview of the manuals (Page 519) Dead band With the control enabled, electromagnetic interference on the signal cable can cause the motor to slowly rotate in one direction in spite of a speed setpoint = 0.
  • Page 176: Analog Outputs

    Advanced commissioning 6.3 Adapt the default setting of the terminal strip 6.3.4 Analog outputs Overview Define the analog output type using parameter p0776. You define the analog output function by intercon‐ necting parameter p0771 with a connector output CO of your choice. Connector outputs are marked with "CO"...
  • Page 177 Advanced commissioning 6.3 Adapt the default setting of the terminal strip Parameters p0777 … p0780 are assigned to an analog output via their index, e.g. parameters p0777[0] … p0770[0] belong to analog output 0. Table 6-6 Parameters for the scaling characteristic Parameter Description p0777...
  • Page 178 Advanced commissioning 6.3 Adapt the default setting of the terminal strip Defining the function of an analog output You define the analog output function by interconnecting parameter p0771 with a connector output of your choice. Parameter p0771 is assigned to the particular analog output via its index, e.g.
  • Page 179: Controlling Clockwise And Counter-Clockwise Rotation Via Digital Inputs

    Advanced commissioning 6.4 Controlling clockwise and counter-clockwise rotation via digital inputs Controlling clockwise and counter-clockwise rotation via digital inputs The inverter has a different methods for controlling the motor using two or three commands. Overview Two wire control, method 1 ON/OFF1: Switches the motor on or off Reversing:...
  • Page 180: Two-Wire Control, Method 1

    Advanced commissioning 6.4 Controlling clockwise and counter-clockwise rotation via digital inputs 6.4.1 Two-wire control, method 1 Figure 6-8 Two-wire control, method 1 Command "ON/OFF1" switches the motor on and off. The "Reversing" command inverts the motor direction of rotation. Table 6-8 Function table ON/OFF1 Reversing...
  • Page 181: Two-Wire Control, Method 2

    Advanced commissioning 6.4 Controlling clockwise and counter-clockwise rotation via digital inputs 6.4.2 Two-wire control, method 2 Figure 6-9 Two-wire control, method 2 Commands "ON/OFF1 clockwise rotation" and "ON/OFF1 counter-clockwise rotation" switch on the motor - and simultaneously select a direction of rotation. The inverter only accepts a new command when the motor is at a standstill.
  • Page 182: Two-Wire Control, Method 3

    Advanced commissioning 6.4 Controlling clockwise and counter-clockwise rotation via digital inputs 6.4.3 Two-wire control, method 3 Figure 6-10 Two-wire control, method 3 Commands "ON/OFF1 clockwise rotation" and "ON/OFF1 counter-clockwise rotation" switch on the motor - and simultaneously select a direction of rotation. The inverter accepts a new command at any time, independent of the motor speed.
  • Page 183: Three-Wire Control, Method 1

    Advanced commissioning 6.4 Controlling clockwise and counter-clockwise rotation via digital inputs 6.4.4 Three-wire control, method 1 Figure 6-11 Three-wire control, method 1 The "Enable" command is a precondition for switching on the motor. Commands "ON clockwise rotation" and "ON counter-clockwise rotation" switch on the motor - and simultaneously select a direction of rotation.
  • Page 184: Three-Wire Control, Method 2

    Advanced commissioning 6.4 Controlling clockwise and counter-clockwise rotation via digital inputs 6.4.5 Three-wire control, method 2 Figure 6-12 Three-wire control, method 2 The "Enable" command is a precondition for switching on the motor. The "ON" command switches the motor on. The "Reversing" command inverts the motor direction of rotation. Removing the enable switches the motor off (OFF1).
  • Page 185: Drive Control Via Profibus Or Profinet

    Advanced commissioning 6.5 Drive control via PROFIBUS or PROFINET Drive control via PROFIBUS or PROFINET 6.5.1 Receive data and send data Cyclic data exchange The inverter receives cyclic data from the higher-level control - and returns cyclic data to the control.
  • Page 186: Telegrams

    Advanced commissioning 6.5 Drive control via PROFIBUS or PROFINET 6.5.2 Telegrams Available telegrams without "basic positioner" The user data of available telegrams are described in the following. The inverter has the following telegrams if you have not configured the "Basic positioner" function: 16-bit speed setpoint 32-bit speed setpoint...
  • Page 187 Advanced commissioning 6.5 Drive control via PROFIBUS or PROFINET 16-bit speed setpoint with torque limiting 16-bit speed setpoint for PCS7 16-bit speed setpoint to read and write parameters 16-bit speed setpoint for PCS7 to read and write parameters Free interconnection and length Abbreviation Explanation Abbreviation...
  • Page 188 ● Standard telegram 7, PZD-2/2 ● Standard telegram 9, PZD-10/5 ● SIEMENS telegram 110, PZD-12/7 ● SIEMENS telegram 111, PZD-12/12 ● Telegram 999, free interconnection Telegrams 7, 9, 110 and 111 are described in the "Basic positioner" Function Manual...
  • Page 189: Control And Status Word 1

    Advanced commissioning 6.5 Drive control via PROFIBUS or PROFINET Figure 6-16 Interconnection of the receive words The inverter saves the receive data in the "Word" format (r2050), in the "Double word" format (r2060) and bit-by-bit (r2090 …r2093). If you set a specific telegram, or change the telegram, then the inverter automatically interconnects parameters r2050, r2060 and r2090 …r2093 with the appropriate signals.
  • Page 190 Advanced commissioning 6.5 Drive control via PROFIBUS or PROFINET Significance Explanation Signal inter‐ connection Telegram 20 All other tele‐ in the inver‐ grams 0 = Disable RFG The inverter immediately sets its ramp-function p1140[0] = generator output to 0. r2090.4 1 = Do not disable RFG The ramp-function generator can be enabled.
  • Page 191 Advanced commissioning 6.5 Drive control via PROFIBUS or PROFINET Significance Remarks Signal inter‐ connection Telegram 20 All other tele‐ in the inver‐ grams 1 = Operation enabled Motor follows setpoint. See control word 1, p2080[2] = bit 3. r0899.2 1 = Fault active The inverter has a fault.
  • Page 192: Control And Status Word 2

    Advanced commissioning 6.5 Drive control via PROFIBUS or PROFINET 6.5.4 Control and status word 2 Control word 2 (STW2) Meaning Signal interconnection in the in‐ verter Telegrams 2, 3 and 4 Telegrams 9, 110 and 111 1 = drive data set selection DDS bit 0 p0820[0] = r2093.0 1 = drive data set selection DDS bit 1 p0821[0] = r2093.1...
  • Page 193: Control And Status Word 3

    Advanced commissioning 6.5 Drive control via PROFIBUS or PROFINET 6.5.5 Control and status word 3 Control word 3 (STW3) Bit Meaning Explanation Signal interconnection in the inverter Telegram 350 1 = fixed setpoint bit 0 Selects up to 16 different fixed p1020[0] = r2093.0 setpoints.
  • Page 194 Advanced commissioning 6.5 Drive control via PROFIBUS or PROFINET Status word 3 (ZSW3) Meaning Description Signal intercon‐ nection in the in‐ verter 1 = DC braking active p2051[3] = r0053 1 = |n_act | > p1226 Absolute current speed > stationary state detection 1 = |n_act | >...
  • Page 195: Namur Message Word

    Advanced commissioning 6.5 Drive control via PROFIBUS or PROFINET 6.5.6 NAMUR message word Fault word according to the VIK-NAMUR definition (MELD_NAMUR) Table 6-23 Fault word according to the VIK-NAMUR definition and interconnection with parameters in the inverter Bit Significance P no. 1 = Control Unit signals a fault p2051[5] = r3113 1 = line fault: Phase failure or inadmissible voltage...
  • Page 196: Control And Status Word, Encoder

    Advanced commissioning 6.5 Drive control via PROFIBUS or PROFINET 6.5.7 Control and status word, encoder Telegrams 3 and 4 allow the higher-level control system to directly access the encoder. Direct access is necessary, if the higher-level control is responsible for the closed-loop position control for the drive.
  • Page 197 Advanced commissioning 6.5 Drive control via PROFIBUS or PROFINET Status word encoder (G1_ZSW and G2_ZSW) Bit Meaning Explanation Signal interconnec‐ tion in the inverter Bit 7 = 0 Bit 7 = 1 Function 1 1 = search for refer‐ 1 = flying referencing to the rising Telegram 3: ence cam 1 is active edge of reference cam 1 is active...
  • Page 198: Position Actual Value Of The Encoder

    Advanced commissioning 6.5 Drive control via PROFIBUS or PROFINET 6.5.8 Position actual value of the encoder G1_XIST1 and G2_XIST1 In the factory setting, the inverter transfers the encoder position actual value with a fine resolution of 11 bits to the higher-level control system. Figure 6-17 G1_XIST1 and G2_XIST1 The transferred encoder signal has the following properties:...
  • Page 199 Advanced commissioning 6.5 Drive control via PROFIBUS or PROFINET Explanation Possible cause Encoder parking canceled Parking was already requested. Search for reference canceled ● Encoder has no zero mark (reference mark). ● Reference mark 2, 3 or 4 was requested. ●...
  • Page 200: Parameter Channel

    Advanced commissioning 6.5 Drive control via PROFIBUS or PROFINET 6.5.9 Parameter channel Structure of the parameter channel The parameter channel consists of four words. The 1st and 2nd words transfer the parameter number, index and the type of task (read or write). The 3rd and 4th words contain the parameter content.
  • Page 201 Advanced commissioning 6.5 Drive control via PROFIBUS or PROFINET Description Transfer descriptive element Transfer parameter value (field, word) Transfer parameter value (field, double word) Transfer number of field elements Inverter cannot process the request. In the most significant word of the parameter channel, the inverter sends an error number to the control, refer to the following table.
  • Page 202 Advanced commissioning 6.5 Drive control via PROFIBUS or PROFINET Description C9 hex Change request above the currently valid limit (example: a parameter value is too large for the inverter power) CC hex Change request not permitted (change is not permitted as the access code is not available) PNU (parameter number) and page index The parameter number is located in value PNU in the 1st word of the parameter channel (PKE).
  • Page 203: Examples For Using The Parameter Channel

    Advanced commissioning 6.5 Drive control via PROFIBUS or PROFINET 6.5.10 Examples for using the parameter channel Read request: Read out serial number of the Power Module (p7841[2]) To obtain the value of the indexed parameter p7841, you must fill the telegram of the parameter channel with the following data: ●...
  • Page 204 ● PWE1, Bit 0 … 15: = 2D2 hex (722 = 2D2 hex) ● PWE2, Bit 10 … 15: = 3F hex (drive object - for SINAMICS G120, always 63 = 3f hex) ● PWE2, Bit 0 … 9: = 2 hex (Index of Parameter (DI 2 = 2))
  • Page 205: Extending The Telegram

    Advanced commissioning 6.5 Drive control via PROFIBUS or PROFINET 6.5.11 Extending the telegram Overview When you have selected a telegram, the inverter interconnects the corresponding signals with the fieldbus interface. Generally, these interconnections are locked so that they cannot be changed.
  • Page 206 350: SIEMENS telegram 350, PZD-4/4 352: SIEMENS telegram 352, PZD-6/6 353: SIEMENS telegram 353, PZD-2/2, PKW-4/4 354: SIEMENS telegram 354, PZD-6/6, PKW-4/4 999: Free telegram configuration The following values apply if you have enabled the "Basic positioner" function in the...
  • Page 207: Slave-To-Slave Communication

    Further information about acyclic communication is provided in the Fieldbus function manual. Overview of the manuals (Page 519) Application example, "Read and write to parameters" Further information is provided on the Internet: Application examples (https://support.industry.siemens.com/cs/ww/en/view/29157692) Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 208: Drive Control Via Modbus Rtu

    Advanced commissioning 6.6 Drive control via Modbus RTU Drive control via Modbus RTU Modbus RTU is used to transfer cyclic process data and acyclic parameter data between precisely one master and up to 247 slaves. The inverter is always the slave, and sends data when requested to do so by the master.
  • Page 209 Advanced commissioning 6.6 Drive control via Modbus RTU Significance Explanation Signal inter‐ connection in the inverter 0 = OFF2 Switch off the motor immediately, the motor then p0844[0] = coasts down to a standstill. r2090.1 1 = No OFF2 The motor can be switched on (ON command). 0 = Quick stop (OFF3) Quick stop: The motor brakes with the OFF3 ramp- p0848[0] =...
  • Page 210 Advanced commissioning 6.6 Drive control via Modbus RTU Bit Significance Remarks Signal inter‐ connection in the inverter 1 = Operation enabled Motor follows setpoint. See control word 1, bit 3. p2080[2] = r0899.2 1 = Fault active The inverter has a fault. Acknowledge fault using p2080[3] = STW1.7.
  • Page 211: Drive Control Via Uss

    Advanced commissioning 6.7 Drive control via USS Drive control via USS USS is used to transfer cyclic process data and acyclic parameter data between precisely one master and up to 31 slaves. The inverter is always the slave, and sends data when requested to do so by the master.
  • Page 212 Advanced commissioning 6.7 Drive control via USS Control word 1 (STW1) Significance Explanation Signal inter‐ connection in the inverter 0 = OFF1 The motor brakes with the ramp-down time p1121 of p0840[0] = the ramp-function generator. The inverter switches off r2090.0 the motor at standstill.
  • Page 213 Advanced commissioning 6.7 Drive control via USS Status word 1 (ZSW1) Bit Significance Remarks Signal inter‐ connection in the inverter 1 = Ready for switching on Power supply switched on; electronics initialized; p2080[0] = pulses locked. r0899.0 1 = Ready Motor is switched on (ON/OFF1 = 1), no fault is p2080[1] = active.
  • Page 214: Drive Control Via Ethernet/Ip

    Advanced commissioning 6.8 Drive control via Ethernet/IP Drive control via Ethernet/IP EtherNet/IP is an Ethernet-based fieldbus. EtherNet/IP is used to transfer cyclic process data as well as acyclic parameter data. Settings for Ethernet/IP Parameter Explanation p2030 = 10 Fieldbus interface protocol selection: Ethernet/IP p8920 PN Name of Station p8921...
  • Page 215: Drive Control Via Canopen

    Advanced commissioning 6.9 Drive control via CANopen Drive control via CANopen The most important settings for CANopen Parameter Explanation p8620 CAN Node ID (Factory setting: 126) Valid addresses: 1 … 247. The parameter is only active if address 0 is set at the Control Unit address switch. A change only becomes effective after the inverter power supply has been switched off and switched on again.
  • Page 216: Jogging

    Advanced commissioning 6.10 Jogging 6.10 Jogging The "Jog" function is typically used to temporarily move a machine part using local control commands, e.g. a transport conveyor belt. Commands "Jog 1" or "Jog: 2" switch the motor on and off. The commands are only active when the inverter is in the "Ready for switching on" state. Figure 6-22 Behavior of the motor when "jogging"...
  • Page 217 Advanced commissioning 6.10 Jogging Parameter Description p1055 = 722.0 Jog bit 0: Select jogging 1 via digital input 0 p1056 = 722.1 Jog bit 1: Select jogging 2 via digital input 1 Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 218: Limit Position Control

    Advanced commissioning 6.11 Limit position control 6.11 Limit position control Limit position and limit switch A limit position is a position in the direction of motion of a machine component at which the motion stops due to the construction. A limit switch is a sensor that signals that the limit position has been reached.
  • Page 219 Advanced commissioning 6.11 Limit position control Parameter Explanation p3340[0 … n] Start limit switch 1 signal: Start is active 0 signal: Start is inactive p3342[0 … n] Minus limit switch 1 signal: Limit switch is inactive 0 signal: Limit switch is active p3343[0 …...
  • Page 220: Switching Over The Drive Control (Command Data Set)

    Advanced commissioning 6.12 Switching over the drive control (command data set) 6.12 Switching over the drive control (command data set) Several applications require the option of switching over the control authority to operate the inverter. Example: The motor is to be operable either from a central control via the fieldbus or via the local digital inputs of the inverter.
  • Page 221 Advanced commissioning 6.12 Switching over the drive control (command data set) An overview of all the parameters that belong to the command data sets is provided in the List Manual. Note It takes approximately 4 ms to toggle between command data sets. Changing the number of command data sets Procedure 1.
  • Page 222: Motor Holding Brake

    Advanced commissioning 6.13 Motor holding brake 6.13 Motor holding brake The motor holding brake holds the motor in position when it is switched off. When the "Motor holding brake" function is correctly set, the motor remains switched on as long as the motor holding brake is open. The inverter only switches the motor off when the motor holding brake is closed.
  • Page 223 Advanced commissioning 6.13 Motor holding brake 3. When the first of the two times (p1227 or p1228) has elapsed, the inverter issues the command to close the brake. 4. After the "motor holding brake closing time" p1217, the inverter switches off the motor. The motor holding brake must close within the time p1217.
  • Page 224 Advanced commissioning 6.13 Motor holding brake Procedure 1. Set p1215 = 1. The "Motor holding brake" function is enabled. 2. Check the magnetizing time p0346. The magnetizing time must be greater than zero. The inverter assigns the magnetizing time when it is being commissioned. 3.
  • Page 225 Advanced commissioning 6.13 Motor holding brake Table 6-29 Setting the control logic of the motor holding brake Parameter Description p1215 = 1 Enable motor holding brake 0 Motor holding brake locked (factory setting) 1 Motor holding brake just like the sequence control 2: Motor holding brake permanently open 3: Motor holding brake just like the sequential control, connected via BICO p1216...
  • Page 226: Free Function Blocks

    Advanced commissioning 6.14 Free function blocks 6.14 Free function blocks 6.14.1 Overview The free function blocks permit configurable signal processing in the inverter. The following free function blocks are available: ● AND, OR, XOR, and NOT logic ● RSR (RS flip-flop), DSR (D flip-flop) flip-flops ●...
  • Page 227: List Of The Free Function Blocks

    Advanced commissioning 6.14 Free function blocks 6.14.3 List of the free function blocks ADD (adder) Y = X0 + X1 + X2 + X3 The function block adds inputs X0 … X3, and limits the result in the range -3.4E38 … 3.4E38. ADD 0 ADD 1 ADD 2...
  • Page 228 Advanced commissioning 6.14 Free function blocks BSW (binary changeover switch) This function block switches one of two binary input varia‐ bles to the output: When I = 0, then Q = I0. When I = 1, then Q = I1. BSW 0 BSW 1 I0, I1...
  • Page 229 Advanced commissioning 6.14 Free function blocks DIF (differentiator) = (X ) × T Output Y is proportional to the rate of change of input X. DIF 0 p20285 Runtime group p20287 Run sequence p20288 DIV (divider) Y = X0 / X1 The function block divides the inputs and limits the result in the range -3.4E38 …...
  • Page 230 Advanced commissioning 6.14 Free function blocks INT 0 p20257 Runtime group p20264 p20258 Run sequence p20265 p20259 LIM (limiter) Y = LU, if X ≥ LU Y = X, if LL < X < LU Y = LL, if X ≤ LL The function block limits output Y to values within LL …...
  • Page 231 Advanced commissioning 6.14 Free function blocks LVM 0 LVM 1 p20269 p20278 r20270 r20279 r20271 r20280 r20272 r20281 Runtime group p20096 p20100 Run sequence p20097 p20101 MFP - pulse generator The pulse generator generates a pulse with a fixed duration. The rising edge of a pulse at input I sets output Q = 1 for pulse duration T.
  • Page 232 Advanced commissioning 6.14 Free function blocks NCM (numeric comparator) The function block compares two inputs with one another. Table 6-33 Function table Comparing inputs X0 > X1 X0 = X1 X0 < X1 NCM 0 NCM 1 X0, X1 p20312[0, 1] p203182[0, 1] r20313 r20319...
  • Page 233 Advanced commissioning 6.14 Free function blocks NSW 0 NSW 1 X0, X1 p20218[0, 1] p20223[0, 1] p20219[0] p20224[0] r20220 r20225 Runtime group p20221 p20226 Run sequence p20222 p20227 OR (OR block) Q = I1 v I2 v I3 v I4 If a value of 0 is available at all inputs I0 …...
  • Page 234 Advanced commissioning 6.14 Free function blocks PDE (ON delay) The rising edge of a pulse at input I sets output Q = 1 after pulse delay time T. When I = 0, then the function block sets Q = 0. PDE 0 PDE 1 PDE 2...
  • Page 235 Advanced commissioning 6.14 Free function blocks PLI (polyline) The function block adapts output Y to input X along 20 interpolation points (A ) … (A The function block linearly interpolates between the interpolation points. The characteristic is hori‐ zontal outside A and A The values A …...
  • Page 236 Advanced commissioning 6.14 Free function blocks PT1 (smoothing element) Y(t) = X × (1 - exp(-t / T)) The function block smooths input signal X with time con‐ stant T. T defines the gradient of the increase in output quantity Y. If set input S = 1, then Y = SV.
  • Page 237 Advanced commissioning 6.14 Free function blocks SUB 0 SUB 1 X0, X1 p20102[0, 1] p20106[0, 1] r20103 r20107 Runtime group p20104 p20108 Run sequence p20105 p20109 XOR (EXCLUSIVE OR block) The function block logically combines the binary quantities at inputs I according to a logical exclusive or function. Table 6-35 Truth table XOR 0...
  • Page 238: Scaling

    Advanced commissioning 6.14 Free function blocks 6.14.4 Scaling If you interconnect a physical quantity, e.g. speed or voltage to the input of a free function block, then the inverter automatically scales the signal to a value of 1. The analog output signals of the free function blocks are also scaled: 0 ≙...
  • Page 239: Activating Free Function Block

    You have activated a free function block and interconnected its inputs and outputs. ❒ 6.14.6 Further information Application description for the free function blocks Further information is provided on the Internet: FAQ (http://support.automation.siemens.com/WW/view/en/85168215) Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 240: Selecting Physical Units

    Advanced commissioning 6.15 Selecting physical units 6.15 Selecting physical units 6.15.1 Motor standard Selection options and parameters involved The inverter represents the motor data corresponding to motor standard IEC or NEMA in different system units: SI units or US units. Table 6-36 Parameters involved when selecting the motor standard Parame‐...
  • Page 241 Advanced commissioning 6.15 Selecting physical units ● p0505 = 3: US system of units Torque [lbf ft], power [hp], temperature [°F] ● p0505 = 4: System of units, referred/US Represented as [%] Special features The values for p0505 = 2 and for p0505 = 4 - represented in the converter - are identical. However, the reference to SI or US units is required for internal calculations and to output physical variables.
  • Page 242: Technological Unit Of The Technology Controller

    Advanced commissioning 6.15 Selecting physical units 6.15.3 Technological unit of the technology controller Options when selecting the technological unit p0595 defines in which technological unit the input and output variables of the technology controller are calculated, e.g. [bar], [m³/min] or [kg/h]. Reference variable p0596 defines the reference variable of the technological unit for the technology controller.
  • Page 243 Advanced commissioning 6.15 Selecting physical units 6. Go online. The inverter signals that offline, other units and process variables are set than in the inverter itself. 7. Accept these settings in the inverter. You have selected the motor standard and system of units. ❒...
  • Page 244: Extended Messages

    Advanced commissioning 6.16 Extended messages 6.16 Extended messages Overview You must configure the "Extended messages" function module in order to be able to use the extended messages. Inverter function modules (Page 132) Parameter Explanation p2152 Delay for comparison n > n_max (Factory setting: 200 ms) p2157 Speed threshold value 5 (Factory setting: 900 rpm) p2158...
  • Page 245 Advanced commissioning 6.16 Extended messages Parameter Explanation p2179 Output load detection current limit (Factory setting: 0 A) Rotation monitoring p2180 Output load detection delay time (Factory setting: 2000 ms) (Page 341) p2181 Load monitoring response (Factory setting: 0) 0: Load monitoring deactivated 1: A07920 for torque/speed too low 2: A07921 for torque/speed too high 3: A07922 for torque/speed out of tolerance...
  • Page 246: Safe Torque Off (Sto) Safety Function

    Advanced commissioning 6.17 Safe Torque Off (STO) safety function 6.17 Safe Torque Off (STO) safety function The operating instructions describe how to commission the STO safety function as basic function for control via a fail-safe digital input. A description of all the safety functions is provided in the "Safety Integrated" Function Manual: ●...
  • Page 247 Advanced commissioning 6.17 Safe Torque Off (STO) safety function The STO safety function is standardized The STO function is defined in IEC/EN 61800-5-2: "[…] [The inverter] does not supply any energy to the motor which can generate a torque (or for a linear motor, a force)".
  • Page 248: Commissioning Sto

    Advanced commissioning 6.17 Safe Torque Off (STO) safety function Action: EMERGENCY SWITCHING OFF EMERGENCY STOP Stop Category 0 according to EN 60204‑1 Classic solution: Switch off the drive power supply Solution with the STO Not possible. safety function inte‐ STO is not suitable for switching off a grated in the drive: voltage.
  • Page 249 Advanced commissioning 6.17 Safe Torque Off (STO) safety function Do you have to assign a password? You do not have to assign a password. The machine manufacturer decides whether or not a password is required. The probabilities of failure (PFH) and certification of the safety functions also apply without password.
  • Page 250: Configuring A Safety Function

    Advanced commissioning 6.17 Safe Torque Off (STO) safety function 6.17.2.2 Configuring a safety function Procedure 1. Select "Select safety functionality". 2. Select "Basic Functions". 3. Select "Control type/safety functions". 4. Select "Via terminals" as control type for the safety functions. You have configured the safety functions.
  • Page 251: Interconnecting The "Sto Active" Signal

    Advanced commissioning 6.17 Safe Torque Off (STO) safety function Parameter Description p9761 Enter a password (factory setting: 0000 hex) Permissible passwords lie in the range 1 … FFFF FFFF. p9762 New password p9763 Password confirmation 6.17.2.3 Interconnecting the "STO active" signal If you require the feedback signal "STO active"...
  • Page 252: Setting The Filter For Fail-Safe Digital Inputs

    Advanced commissioning 6.17 Safe Torque Off (STO) safety function 6.17.2.4 Setting the filter for fail-safe digital inputs Requirement You are online with Startdrive. Procedure 1. Navigate to the filter settings. 2. Set the debounce time for the F-DI input filter. 3.
  • Page 253 Advanced commissioning 6.17 Safe Torque Off (STO) safety function Figure 6-28 Simultaneity monitoring with discrepancy time Filter to suppress short signals In the following cases, an immediate inverter response to signal changes of the fail-safe digital inputs is not desirable: ●...
  • Page 254: Setting The Forced Checking Procedure (Test Stop)

    Advanced commissioning 6.17 Safe Torque Off (STO) safety function Figure 6-30 Filter to suppress brief signals The filter extends the response time of the safety function by the debounce time. Parameter Description p9650 F-DI changeover tolerance time (factory setting: 500 ms) Tolerance time to change over the fail-safe digital input for the basic functions.
  • Page 255 Advanced commissioning 6.17 Safe Torque Off (STO) safety function Description The forced checking procedure (test stop) of the basic functions is an inverter self test. The inverter checks its circuits to switch off the torque. If you are using the Safe Brake Relay, for a forced checking procedure, the inverter also checks the circuits of this component.
  • Page 256: Finalizing Online Commissioning

    Advanced commissioning 6.17 Safe Torque Off (STO) safety function 6.17.2.6 Finalizing online commissioning Activate settings Requirement You are online with Startdrive. Procedure 1. Press the "End safety commissioning" button. 2. Confirm the prompt for saving your settings (copy RAM to ROM). 3.
  • Page 257: Checking The Assignment Of The Digital Inputs

    Advanced commissioning 6.17 Safe Torque Off (STO) safety function Parameter Description p0010 = 0 Drive commissioning parameter filter 0: Ready p0971 = 1 Save parameter 1: Save the drive object (copy from RAM to ROM) After the inverter has saved the parameters in a non-volatile fashion, then p0971 = 0.
  • Page 258: Acceptance - Completion Of Commissioning

    Advanced commissioning 6.17 Safe Torque Off (STO) safety function 6.17.2.8 Acceptance - completion of commissioning What is an acceptance? The machine manufacturer is responsible in ensuring that his plant or machine functions perfectly. As a consequence, after commissioning, the machine manufacturer must check those functions or have them checked by specialist personnel, which represent an increased risk of injury or material damage.
  • Page 259 – and generates an acceptance report as Excel file. Further information is provided on the Internet: Startdrive, system requirements and download (https://support.industry.siemens.com/cs/ ww/en/view/109752254) Reduced acceptance test after function expansions A full acceptance test is necessary only after first commissioning. A reduced acceptance test is sufficient when safety functions are expanded.
  • Page 260: Setpoints

    Advanced commissioning 6.18 Setpoints 6.18 Setpoints 6.18.1 Overview The inverter receives its main setpoint from the setpoint source. The main setpoint mainly specifies the motor speed. Figure 6-32 Setpoint sources for the inverter You have the following options when selecting the source of the main setpoint: ●...
  • Page 261 Advanced commissioning 6.18 Setpoints Under the following conditions, the inverter switches from the main setpoint to other setpoints: ● When the technology controller is active and appropriately interconnected, its output specifies the motor speed. ● When jogging is active ● When controlling from an operator panel or the STARTER PC tool. Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 262: Analog Input As Setpoint Source

    Advanced commissioning 6.18 Setpoints 6.18.2 Analog input as setpoint source Function description Figure 6-33 Example: Analog input 0 as setpoint source In the quick commissioning, you define the preassignment for the inverter interfaces. Depending on what has been preassigned, after quick commissioning, the analog input can be interconnected with the main setpoint.
  • Page 263 Advanced commissioning 6.18 Setpoints Further information For further information refer to the function diagrams 2250 ff and 3030 of the List Manual. Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 264: Specifying The Setpoint Via The Fieldbus

    Advanced commissioning 6.18 Setpoints 6.18.3 Specifying the setpoint via the fieldbus Function description Figure 6-34 Fieldbus as setpoint source In the quick commissioning, you define the preassignment for the inverter interfaces. Depending on what has been preassigned, after quick commissioning, the receive word PZD02 can be interconnected with the main setpoint.
  • Page 265 Advanced commissioning 6.18 Setpoints Parameter Description Setting p1076[0…n] CI: Supplementary setpoint Signal source for scaling the supplementary setpoint scaling Factory setting: 0 r2050[0…11] CO: PROFIdrive PZD receive Connector output to interconnect the PZD received from the fieldbus con‐ word troller in the word format. [1] Most standard telegrams receive the speed setpoint as receive word PZD02.
  • Page 266: Motorized Potentiometer As Setpoint Source

    Advanced commissioning 6.18 Setpoints 6.18.4 Motorized potentiometer as setpoint source Function description The "Motorized potentiometer" function emulates an electromechanical potentiometer. The output value of the motorized potentiometer can be set with the "higher" and "lower" control signals. Figure 6-35 Motorized potentiometer as setpoint source Figure 6-36 Function chart of the motorized potentiometer Example...
  • Page 267 Advanced commissioning 6.18 Setpoints Parameter Table 6-38 Basic setup of motorized potentiometer Parameter Description Setting p1035[0…n] BI: Motorized potentiometer Signal source to continuously increase the setpoint setpoint higher The factory setting depends on the inverter. Inverters with PROFIBUS or PROFINET interface: [0] 2090.13 [1] 0 Inverters without PROFIBUS or PROFINET interface: 0...
  • Page 268 Advanced commissioning 6.18 Setpoints Table 6-39 Extended setup of motorized potentiometer Parameter Description Setting p1030[0…n] Motorized potentiometer con‐ Configuration for the motorized potentiometer figuration Factory setting: 00110 bin Storage active = 0: After the motor has been switched on, the setpoint = p1040 = 1: After the motor has switched off, the inverter saves the setpoint.
  • Page 269: Fixed Speed Setpoint As Setpoint Source

    Advanced commissioning 6.18 Setpoints 6.18.5 Fixed speed setpoint as setpoint source Function description Figure 6-37 Fixed speed setpoint as setpoint source The inverter makes a distinction between two methods when selecting the fixed speed setpoints: Directly selecting a fixed speed setpoint You set 4 different fixed speed setpoints.
  • Page 270 Advanced commissioning 6.18 Setpoints Figure 6-39 Binary selection of the fixed speed setpoint Example After it has been switched on, a conveyor belt only runs with two different velocities. The motor should now operate with the following corresponding speeds: ● The signal at digital input 0 switches the motor on and accelerates it up to 300 rpm. ●...
  • Page 271 Advanced commissioning 6.18 Setpoints Parameter Parameter Description Setting p1001[0...n] Fixed speed setpoint 1 [rpm] Fixed speed setpoint 1 Factory setting: 0 rpm p1002[0...n] Fixed speed setpoint 2 [rpm] Fixed speed setpoint 2 Factory setting: 0 rpm p1015[0...n] Fixed speed setpoint 15 [rpm] Fixed speed setpoint 15 Factory setting: 0 rpm p1016 Fixed speed setpoint mode...
  • Page 272 Advanced commissioning 6.18 Setpoints Table 6-42 Settings for the application example Parameter Description p1001 = 300.000 Fixed speed setpoint 1 [rpm] p1002 = 2000.000 Fixed speed setpoint 2 [rpm] p0840 = 722.0 ON/OFF1: Switches on the motor with digital input 0 p1070 = 1024 Main setpoint: Interconnects the main setpoint with fixed speed setpoint.
  • Page 273: Pulse Input As Source Of Setpoint Value

    Advanced commissioning 6.18 Setpoints 6.18.6 Pulse input as source of setpoint value Interconnecting the digital input as setpoint source Using the "probe" function ("pulse train"), the inverter converts a pulse signal at one of the digital inputs DI 24 … DI 27 to an analog signal. The inverter evaluates a signal with a max. frequency of 32 kHz.
  • Page 274 Advanced commissioning 6.18 Setpoints Parameter Description p0582 Probe Pulses per revolution (factory setting 1) Number of pulses per revolution. p0583 Probe Maximum measurement time (factory setting 10 s) Maximum measurement time for the probe. If there is no new pulse before the maxi‐ mum measuring time elapses, the inverter sets the actual speed value in r0586 to zero.
  • Page 275: Setpoint Calculation

    Advanced commissioning 6.19 Setpoint calculation 6.19 Setpoint calculation 6.19.1 Overview Overview Setpoint processing influences the setpoint using the following functions: ● "Invert" inverts the motor direction of rotation. ● The "Inhibit direction of rotation" function prevents the motor from rotating in the incorrect direction;...
  • Page 276: Invert Setpoint

    Advanced commissioning 6.19 Setpoint calculation 6.19.2 Invert setpoint Function description The function inverts the sign of the setpoint using a binary signal. Example To invert the setpoint via an external signal, interconnect parameter p1113 with a binary signal of your choice. Table 6-44 Application examples showing how a setpoint is inverted Parameter...
  • Page 277: Inhibit Direction Of Rotation

    Advanced commissioning 6.19 Setpoint calculation 6.19.3 Inhibit direction of rotation Function description In the factory setting of the inverter, both motor directions of rotation are enabled. Set the corresponding parameter to a value = 1 to permanently block directions of rotation. Example Table 6-45 Application examples showing how a setpoint is inverted...
  • Page 278: Skip Frequency Bands And Minimum Speed

    Advanced commissioning 6.19 Setpoint calculation 6.19.4 Skip frequency bands and minimum speed Skip frequency bands The inverter has four skip frequency bands that prevent continuous motor operation within a specific speed range. Further information is provided in function diagram 3050 of the List Manual.
  • Page 279: Speed Limitation

    Advanced commissioning 6.19 Setpoint calculation 6.19.5 Speed limitation The maximum speed limits the speed setpoint range for both directions of rotation. The converter generates a message (fault or alarm) when the maximum speed is exceeded. If you must limit the speed depending on the direction of rotation, then you can define speed limits for each direction.
  • Page 280: Ramp-Function Generator

    Advanced commissioning 6.19 Setpoint calculation 6.19.6 Ramp-function generator The ramp-function generator in the setpoint channel limits the rate change of the speed setpoint (acceleration). A reduced acceleration reduces the accelerating torque of the motor. In this case, the motor reduces the load on the mechanical system of the driven machine. You can select between two different ramp-function generator types: ●...
  • Page 281 Advanced commissioning 6.19 Setpoint calculation Table 6-48 Additional parameters to set the extended ramp-function generator Parameter Description p1115 Ramp-function generator selection (factory setting: 1) Select ramp-function generator: 0: Basic ramp-function generator 1: Extended ramp-function generator p1120 Ramp-function generator, ramp-up time (factory setting: 10 s) Accelerating time in seconds from zero speed up to the maximum speed p1082 p1121 Ramp-function generator, ramp-down time (factory setting: 10 s)
  • Page 282 Advanced commissioning 6.19 Setpoint calculation 3. Evaluate your drive response. – If the motor accelerates too slowly, then reduce the ramp-up time. An excessively short ramp-up time means that the motor will reach its current limiting when accelerating, and will temporarily not be able to follow the speed setpoint. In this case, the drive exceeds the set time.
  • Page 283 Advanced commissioning 6.19 Setpoint calculation Table 6-49 Parameters for setting the ramp-function generator Parameter Description p1115 = 0 Ramp-function generator selection (factory setting: 1) Select ramp-function generator: 0: Basic ramp-function generator 1: Extended ramp-function generator p1120 Ramp-function generator, ramp-up time (factory setting: 10 s) Accelerating time in seconds from zero speed up to the maximum speed p1082 p1121 Ramp-function generator, ramp-down time (factory setting: 10 s)
  • Page 284 The inverter receives the value for scaling the ramp-up and ramp-down times via PZD receive word 3. ❒ Further information is provided on the Internet: FAQ (https://support.industry.siemens.com/cs/ww/en/view/82604741) Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 285: Pid Technology Controller

    Advanced commissioning 6.20 PID technology controller 6.20 PID technology controller Overview The technology controller controls process variables, e.g. pressure, temperature, level or flow. Figure 6-44 Example: Technology controller as a level controller Precondition Additional functions The motor closed-loop control is set Tools To change the function settings, you can use an operator panel or a PC tool, for example.
  • Page 286 Advanced commissioning 6.20 PID technology controller ① The inverter uses the start value when all the following conditions are simultaneously satisfied: ● The technology controller supplies the main setpoint (p2251 = 0). ● The ramp-function generator output of the technology controller has not yet reached the start value. Figure 6-45 Simplified representation of the technology controller Basic settings...
  • Page 287 Advanced commissioning 6.20 PID technology controller Set controller parameters K and T Procedure 1. Temporarily set the ramp-up and ramp-down times of the ramp-function generator (p2257 and p2258) to zero. 2. Enter a setpoint step and monitor the associated actual value, e.g. with the trace function of STARTER.
  • Page 288 Advanced commissioning 6.20 PID technology controller Parameter Table 6-51 Basic settings Parameter Description Setting p2200 BI: Technology controller en‐ 1 signal: Technology controller is enabled. able Factory setting: 0 r2294 CO: Technology controller To interconnect the main speed setpoint with the technology controller output signal output, set p1070 = 2294.
  • Page 289 ● PID controller Principle of operation of the D component, inhibiting the I component and the control sense ● Enable, limiting the controller output and fault response FAQ (http://support.automation.siemens.com/WW/view/en/92556266) Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 290: Motor Control

    Advanced commissioning 6.21 Motor control 6.21 Motor control The inverter has two alternative methods to control (closed loop) the motor speed: ● U/f control ● Vector control 6.21.1 Reactor, filter and cable resistance at the inverter output Correctly setting the components between the inverter and motor Components between the inverter and the motor influence the closed-loop control quality of the inverter: ●...
  • Page 291: V/F Control

    Drive filter type, motor side (factory setting: 0) 0: No filter 1: Output reactor 2: dv/dt filter 3: Siemens sine-wave filter 4: Sine wave filter, third-party manufacturer p0235 Number of motor reactors in series (factory setting: 1) Number of reactors connected in series at the inverter output p0350 Motor stator resistance, cold (factory setting: 0 Ω)
  • Page 292 Advanced commissioning 6.21 Motor control In the U/f control variant, "flux current control (FCC)," the inverter controls the motor current (starting current) at low speeds Figure 6-46 Simplified function diagram of the U/f control One function not shown in the simplified function diagram is the resonance damping for damping mechanical oscillations.
  • Page 293: Characteristics Of U/F Control

    Advanced commissioning 6.21 Motor control 6.21.2.1 Characteristics of U/f control The inverter has different V/f characteristics. ① The voltage boost of the characteristic optimizes the speed control at low speeds ② With the flux current control (FCC), the inverter compensates for the voltage drop in the stator resistor of the motor Figure 6-48 Characteristics of V/f control...
  • Page 294 Advanced commissioning 6.21 Motor control ● Line impedance ● Actual motor torque The maximum possible output voltage as a function of the input voltage is provided in the technical data. Technical data (Page 439) Table 6-54 Linear and parabolic characteristics Requirement Application examples Remark...
  • Page 295 Advanced commissioning 6.21 Motor control Characteristics after selecting the application class Standard Drive Control Selecting application class Standard Drive Control reduces the number of characteristics and the setting options: ● A linear and a parabolic characteristic are available. ● Selecting a technological application defines the characteristic. ●...
  • Page 296: Optimizing Motor Starting

    Advanced commissioning 6.21 Motor control 6.21.2.2 Optimizing motor starting After selection of the U/f characteristic, no further settings are required in most applications. In the following circumstances, the motor cannot accelerate to its speed setpoint after it has been switched on: ●...
  • Page 297 Advanced commissioning 6.21 Motor control In applications with a high break loose torque, you must also increase parameter p1312 in order to achieve a satisfactory motor response. You have set the voltage boost. ❒ Parameter Description p1310 Starting current (voltage boost) permanent (factory setting 50%) Compensates for voltage drops caused by long motor cables and the ohmic losses in the motor.
  • Page 298: Optimizing The Motor Startup For Application Class Standard Drive Control

    Advanced commissioning 6.21 Motor control 6.21.2.3 Optimizing the motor startup for application class Standard Drive Control After selecting application class Standard Drive Control, in most applications no additional settings need to be made. At standstill, the inverter ensures that at least the rated motor magnetizing current flows. Magnetizing current p0320 approximately corresponds to the no-load current at 50% …...
  • Page 299 Advanced commissioning 6.21 Motor control 5. Check that the motor follows the setpoint. 6. If necessary, increase the voltage boost p1311 until the motor accelerates without problem. In applications with a high break loose torque, you must also increase parameter p1312 in order to achieve a satisfactory motor response.
  • Page 300: Vector Control

    Advanced commissioning 6.21 Motor control 6.21.3 Vector control 6.21.3.1 Structure of the vector control Overview The vector control comprises closed-loop current control and a higher-level closed-loop speed control. for induction motors Selecting the control mode Settings that are required Figure 6-52 Simplified function diagram for vector control with speed controller Using the motor model, the inverter calculates the following closed-loop control signals from the measured phase currents and the output voltage:...
  • Page 301 Advanced commissioning 6.21 Motor control When the speed setpoint is increased, the speed controller responds with a higher setpoint for current component I (torque setpoint). The closed-loop control responds to a higher torque setpoint by adding a higher slip frequency to the output frequency. The higher output frequency also results in a higher motor slip, which is proportional to the accelerating torque.
  • Page 302: Default Setting As A Result Of The Application Class Dynamic Drive Control

    Advanced commissioning 6.21 Motor control 6.21.3.2 Default setting as a result of the application class Dynamic Drive Control Selecting application class Dynamic Drive Control in the quick commissioning adapts the structure of the vector control, and reduces the setting options: Vector control after selecting the appli‐...
  • Page 303 Advanced commissioning 6.21 Motor control If the motor exhibits the following response, the speed control is well set and you do not have to adapt the speed controller manually: The speed setpoint (broken line) increases with the set ramp- up time and rounding. The speed actual value follows the setpoint without any over‐...
  • Page 304 Advanced commissioning 6.21 Motor control 6. Optimize the controller by adapting the ratio of the moments of inertia of the load and motor (p0342): Initially, the speed actual value follows the speed setpoint with some delay, and then overshoots the speed setpoint. ●...
  • Page 305: Advanced Settings

    Advanced commissioning 6.21 Motor control The most important parameters Table 6-57 Encoderless speed control Parameter Description p0342 Moment of inertia ratio, total to motor (factory setting: 1.0) p1496 Acceleration precontrol scaling (factory setting: 0 %) For the rotating measurement of the motor data identification the inverter sets the pa‐ rameters to 100 %.
  • Page 306 Advanced commissioning 6.21 Motor control The droop function ensures even torque distribution between several mechanically coupled drives. The droop function reduces the speed setpoint as a function of the torque setpoint. Figure 6-53 Effect of droop in the speed controller When droop is active, the ramp-function generators of all of the coupled drives must be set to have identical ramp-up and ramp-down times as well as rounding-off.
  • Page 307 Advanced commissioning 6.21 Motor control If you use encoderless vector control with a pulling load, then the following settings are required: ● Set the following parameters: Par. Explanation p1750 Motor model configuration Bit 07 = 1 Use speed switchover limits that are less sensitive to external effects p1610 Static torque setpoint (encoderless) (Factory setting: 50 %) Set a value which is higher than the maximum load torque that occurs.
  • Page 308: Friction Characteristic

    Advanced commissioning 6.21 Motor control 6.21.3.6 Friction characteristic Function In many applications, e.g. applications with geared motors or belt conveyors, the frictional torque of the load is not negligible. The inverter provides the possibility of precontrolling the torque setpoint, bypassing the speed controller.
  • Page 309 Advanced commissioning 6.21 Motor control Procedure 1. Set P3845 = 1: The inverter accelerates the motor successively in both directions of rotation and averages the measurement results of the positive and negative directions. 2. Switch on the motor (ON/OFF1 = 1). 3.
  • Page 310: Moment Of Inertia Estimator

    Advanced commissioning 6.21 Motor control 6.21.3.7 Moment of inertia estimator Background From the load moment of inertia and the speed setpoint change, the inverter calculates the accelerating torque required for the motor. Via the speed controller precontrol, the accelerating torque specifies the main percentage of the torque setpoint. The speed controller corrects inaccuracies in the precontrol (feed-forward control).
  • Page 311 Advanced commissioning 6.21 Motor control How does the inverter calculate the load torque? Figure 6-59 Calculating the load torque At low speeds, the inverter calculates the load torque M from the actual motor torque. The calculation takes place under the following conditions: ●...
  • Page 312 Advanced commissioning 6.21 Motor control J = M / α If all of the following conditions are met, the inverter calculates the moment of inertia: ① ● The rated accelerating torque M must satisfy the following two conditions: – The sign of M is the same as the direction of the actual acceleration –...
  • Page 313 Advanced commissioning 6.21 Motor control Preconditions ● You have selected encoderless vector control. ● The load torque must be constant whilst the motor accelerates or brakes. Typical of a constant load torque are conveyor applications and centrifuges, for example. Fan applications, for example, are not permitted. ●...
  • Page 314 Advanced commissioning 6.21 Motor control Parameter Explanation r1407 Status word, speed controller .24 1 signal: Moment of inertia estimator is active .25 1 signal: Load estimator is active .26 1 signal: Moment of inertia estimator is engaged .27 1 signal: Shortened moment of inertia estimation is active. r1493 Total moment of inertia, scaled r1493 = p0341 ×...
  • Page 315 Advanced commissioning 6.21 Motor control Parameter Explanation p5310 Moment of inertia precontrol configuration (factory setting: 0000 bin) .00 1 signal: Activates calculation of the characteristic (p5312 … p5315) .01 1 signal: Activates moment of inertia precontrol p5310.00 = 0, p5310.01 = 0 Deactivating moment of inertia precontrol p5310.00 = 1, p5310.01 = 0 Adapting the moment of inertia precontrol...
  • Page 316: Torque Control

    Advanced commissioning 6.21 Motor control 6.21.4 Torque control Torque control is part of the vector control and normally receives its setpoint from the speed controller output. By deactivating the speed controller and directly entering the torque setpoint, the closed-loop speed control becomes closed-loop torque control. The inverter then no longer controls the motor speed, but the torque that the motor generates.
  • Page 317: Application Examples For Closed-Loop Motor Control

    Application examples for closed-loop motor control Additional information for setting the closed-loop motor control in certain applications is provided in the Internet: Engineering and commissioning series lifting equipment/cranes (https:// support.industry.siemens.com/cs/de/en/view/103156155) Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 318: Electrically Braking The Motor

    Advanced commissioning 6.22 Electrically braking the motor 6.22 Electrically braking the motor Braking with the motor in generating mode If the motor brakes the connected load electrically, it will convert the kinetic energy of the motor to electrical energy. The electrical energy E released on braking the load is proportional to the moment of inertia J of the motor and load and to the square of the speed n.
  • Page 319 Advanced commissioning 6.22 Electrically braking the motor Braking with energy recovery into the line supply The inverter feeds electrical energy back into the line supply (en‐ ergy recovery). Advantages: Constant braking torque; the braking energy is ● not completely converted into heat, but regenerated into the line supply;...
  • Page 320: Dc Braking

    Advanced commissioning 6.22 Electrically braking the motor 6.22.1 DC braking DC braking is used for applications where the motor must be actively stopped; however, neither an inverter capable of energy recovery nor a braking resistor is available. Typical applications for DC braking include: ●...
  • Page 321 Advanced commissioning 6.22 Electrically braking the motor DC braking when a fault occurs Requirement: Fault number and fault response are assigned via p2100 and p2101. Function: 1. A fault occurs, which initiates DC braking as response. 2. The motor brakes along the down ramp to the speed for the start of DC braking.
  • Page 322 Advanced commissioning 6.22 Electrically braking the motor Settings for DC braking Parameter Description p0347 Motor de-excitation time (calculated after quick commissioning) The inverter can trip due to an overcurrent during DC braking if the de-excitation time is too short. p1230 DC braking activation (factory setting: 0) Signal source to activate DC braking ●...
  • Page 323: Compound Braking

    Advanced commissioning 6.22 Electrically braking the motor 6.22.2 Compound braking Compound braking is suitable for applications in which the motor is normally operated at a constant speed and is only braked down to standstill in longer time intervals. Typically, the following applications are suitable for compound braking: ●...
  • Page 324 Advanced commissioning 6.22 Electrically braking the motor Setting and enabling compound braking Parameter Description p3856 Compound braking current (%) With the compound braking current, the magnitude of the DC current is defined, which is additionally generated when stopping the motor for operation with U/f control to increase the braking effect.
  • Page 325: Dynamic Braking

    Advanced commissioning 6.22 Electrically braking the motor 6.22.3 Dynamic braking Typical applications for dynamic braking require continuous braking and acceleration operations or frequent changes of the motor direction of rotation: ● Horizontal conveyors ● Vertical and inclined conveyors ● Hoisting gear Principle of operation The DC link voltage increases as soon as the motor supplies regenerative power to the inverter when braking.
  • Page 326 Connecting the temperature contact of the braking resistor (Page 113) An example for configuring a drive with braking resistor is provided in the Internet: Engineering and commissioning series lifting equipment/cranes (https:// support.industry.siemens.com/cs/de/en/view/103156155) Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 327: Braking With Regenerative Feedback To The Line

    Advanced commissioning 6.22 Electrically braking the motor 6.22.4 Braking with regenerative feedback to the line The typical applications for braking with energy recovery (regenerative feedback into the line supply) are as follows: ● Hoist drives ● Centrifuges ● Unwinders For these applications, the motor must brake for longer periods of time. The inverter can feed back up to 100% of its rated power into the line supply (referred to "High Overload"...
  • Page 328: Overcurrent Protection

    Advanced commissioning 6.23 Overcurrent protection 6.23 Overcurrent protection The vector control ensures that the motor current remains within the set torque limits. If you use U/f control, you cannot set any torque limits. The U/f control prevents too high a motor current by influencing the output frequency and the motor voltage (I-max controller).
  • Page 329: Inverter Protection Using Temperature Monitoring

    Advanced commissioning 6.24 Inverter protection using temperature monitoring 6.24 Inverter protection using temperature monitoring The inverter temperature is essentially defined by the following effects: ● The ambient temperature ● The ohmic losses increasing with the output current ● Switching losses increasing with the pulse frequency Monitoring types The inverter monitors its temperature using the following monitoring types: ●...
  • Page 330 Advanced commissioning 6.24 Inverter protection using temperature monitoring If the measure cannot prevent an inverter thermal overload, then the inverter switches off the motor with fault F30024. Overload response for p0290 = 1 The inverter immediately switches off the motor with fault F30024. Overload response for p0290 = 2 We recommend this setting for drives with square-law torque characteristic, e.g.
  • Page 331 Advanced commissioning 6.24 Inverter protection using temperature monitoring Overload response for p0290 = 12 The inverter responds in two stages: 1. If you operate the inverter with increased pulse frequency setpoint p1800, then the inverter reduces its pulse frequency starting at p1800. There is no current derating as a result of the higher pulse frequency setpoint.
  • Page 332: Motor Protection With Temperature Sensor

    Advanced commissioning 6.25 Motor protection with temperature sensor 6.25 Motor protection with temperature sensor The inverter can evaluate one of the following sensors to protect the motor against overtemperature: ● KTY84 sensor ● Temperature switch (e.g. bimetallic switch) ● PTC sensor ●...
  • Page 333 Advanced commissioning 6.25 Motor protection with temperature sensor PTC sensor The inverter interprets a resistance > 1650 Ω as being an overtemperature and responds according to the setting for p0610. The inverter interprets a resistance < 20 Ω as being a short-circuit and responds with alarm A07015.
  • Page 334 Advanced commissioning 6.25 Motor protection with temperature sensor Parameter Description p0605 Mot_temp_mod 1/2 / sensor threshold and temperature value (factory setting: 145° C) For monitoring the motor temperature using KTY84/Pt1000. p0610 Motor overtemperature response (factory setting: 12) Determines the inverter behavior when the motor temperature reaches the alarm threshold p0604.
  • Page 335: Motor Protection By Calculating The Temperature

    Advanced commissioning 6.26 Motor protection by calculating the temperature 6.26 Motor protection by calculating the temperature The inverter calculates the motor temperature based on a thermal motor model. The thermal motor model responds far faster to temperature increases than a temperature sensor.
  • Page 336 Advanced commissioning 6.26 Motor protection by calculating the temperature Parameter Description p0344 Motor weight (for thermal motor type) (factory setting: 0.0 kg) After selecting an induc‐ tion motor (p0300) or a p0604 Mot_temp_mod 2/KTY alarm threshold (factory setting: 130.0° listed induction motor (p0301) during the com‐...
  • Page 337: Motor And Inverter Protection By Limiting The Voltage

    Advanced commissioning 6.27 Motor and inverter protection by limiting the voltage 6.27 Motor and inverter protection by limiting the voltage What causes an excessively high voltage? To drive the load, an electric motor converts electrical energy into mechanical energy. If the motor is driven by its load, e.g.
  • Page 338 Advanced commissioning 6.27 Motor and inverter protection by limiting the voltage PM250 Power Modules feed back regenerative energy into the line supply. Therefore, the Vdc_max control is not required for a PM250 Power Module. Parameters of the Vdc_max control The parameters differ depending on the motor control mode. Parameter for V/ Parameter for Description...
  • Page 339: Monitoring The Driven Load

    Advanced commissioning 6.28 Monitoring the driven load 6.28 Monitoring the driven load In many applications, the speed and the torque of the motor can be used to determine whether the driven load is in an impermissible operating state. The use of an appropriate monitoring function in the inverter prevents failures and damage to the machine or plant.
  • Page 340: Breakdown Protection

    Advanced commissioning 6.28 Monitoring the driven load 6.28.1 Breakdown protection If the load of a standard induction motor exceeds the stall torque of the motor, the motor can also stall during operation on the inverter. A stalled motor is stationary and does not develop sufficient torque to accelerate the load.
  • Page 341: Blocking Protection

    Advanced commissioning 6.28 Monitoring the driven load 6.28.3 Blocking protection In applications with extruders or mixers, the motor can block for an excessive mechanical load. For a blocked motor, the motor current corresponds to the set current limit without the speed reaching the specified setpoint.
  • Page 342: Torque Monitoring

    Advanced commissioning 6.28 Monitoring the driven load 6.28.4 Torque monitoring In applications with fans, pumps or compressors with the flow characteristic, the torque follows the speed according to a specific characteristic. An insufficient torque for fans indicates that the power transmission from the motor to the load is interrupted. For pumps, insufficient torque can indicate a leakage or dry-running.
  • Page 343: Rotation Monitoring

    Advanced commissioning 6.28 Monitoring the driven load 6.28.5 Rotation monitoring The inverter monitors the speed or velocity of a machine component via an electromechanic or electronic encoder, e.g. a proximity switch. Examples of how the function can be used: ● Gearbox monitoring for traction drives and hoisting gear ●...
  • Page 344: Speed Deviation Monitoring

    Advanced commissioning 6.28 Monitoring the driven load 6.28.6 Speed deviation monitoring The inverter calculates and monitors the speed or velocity of a machine component. Examples of how the function can be used: ● Gearbox monitoring for traction drives and hoisting gear ●...
  • Page 345 Advanced commissioning 6.28 Monitoring the driven load The inverter compares speed r0586 with the actual speed value r2169 and signals an excessive deviation between the encoder signal and the motor speed. p2181 specifies the inverter response for an excessive deviation. Parameter Description p0490...
  • Page 346: Flying Restart - Switching On While The Motor Is Running

    Advanced commissioning 6.29 Flying restart – switching on while the motor is running 6.29 Flying restart – switching on while the motor is running If you switch on the motor while it is still rotating, without the "Flying restart" function, there is a high probability that a fault will occur as a result of overcurrent (F30001 or F07801).
  • Page 347 Advanced commissioning 6.29 Flying restart – switching on while the motor is running Exception: a mechanical coupling ensures that all of the motors always operate with the same speed. Table 6-62 Advanced settings Parameter Description p0346 Motor excitation build up time Wait time between switching on the motor and enabling the ramp-function generator.
  • Page 348: Automatic Restart

    Advanced commissioning 6.30 Automatic restart 6.30 Automatic restart The automatic restart includes two different functions: ● The inverter automatically acknowledges faults. ● After a fault occurs or after a power failure, the inverter automatically switches-on the motor again. The inverter interprets the following events as power failure: ●...
  • Page 349 Advanced commissioning 6.30 Automatic restart The inverter automatically acknowledges faults under the following conditions: ● p1210 = 1 or 26: Always. ● p1210 = 4 or 6: If the command to switch-on the motor is available at a digital input or via the fieldbus (ON/OFF1 = 1).
  • Page 350 Advanced commissioning 6.30 Automatic restart Parameter Explanation p1211 Automatic restart start attempts (factory setting: 3) This parameter is only effective for the settings p1210 = 4, 6, 14, 16, 26. You define the maximum number of start attempts using p1211. After each successful acknowledgement, the inverter decrements its internal counter of start attempts by 1.
  • Page 351 Advanced commissioning 6.30 Automatic restart Advanced settings If you with to suppress the automatic restart function for certain faults, then you must enter the appropriate fault numbers in p1206[0 … 9]. Example: p1206[0] = 07331 ⇒ No restart for fault F07331. Suppressing the automatic restart only functions for the setting p1210 = 6, 16 or 26.
  • Page 352: Kinetic Buffering (Vdc Min Control)

    Advanced commissioning 6.31 Kinetic buffering (Vdc min control) 6.31 Kinetic buffering (Vdc min control) Kinetic buffering increases the drive availability. The kinetic buffering utilizes the kinetic energy of the load to buffer line dips and failures. During a line dip, the inverter keeps the motor in the switched-on state for as long as possible.
  • Page 353 Advanced commissioning 6.31 Kinetic buffering (Vdc min control) Parameter Description p1240 controller configuration (factory setting: 1) Inhibit V controller Enable V controller DC max Enable V controller (kinetic buffering) DC min Enable V controller and V controller DC min DC max p1245 controller activation level (kinetic buffering) (factory setting depends on the Power DC min...
  • Page 354: Efficiency Optimization

    Advanced commissioning 6.32 Efficiency optimization 6.32 Efficiency optimization Overview The efficiency optimization reduces the motor losses as far as possible. Active efficiency optimization has the following advantages: ● Lower energy costs ● Lower motor temperature rise ● Lower motor noise levels Active efficiency optimization has the following disadvantage: ●...
  • Page 355 Advanced commissioning 6.32 Efficiency optimization Efficiency optimization, method 2 Generally, energy efficiency optimization method 2 achieves a better efficiency than method 1. We recommend that you set method 2. Figure 6-76 Determining the optimum flux from the motor thermal model Based on its thermal motor model, the inverter continually determines - for the actual operating point of the motor - the interdependency between efficiency and flux.
  • Page 356 Advanced commissioning 6.32 Efficiency optimization The motor operates in partial load mode between no-load operation and the rated motor torque. Depending on p1580, in the partial load range, the inverter reduces the flux setpoint linearly with the torque. Figure 6-79 Qualitative result of efficiency optimization, method 1 The reduced flux in the motor partial load range results in higher efficiency.
  • Page 357: Line Contactor Control

    Advanced commissioning 6.33 Line contactor control 6.33 Line contactor control A line contactor disconnects the inverter from the line supply, and therefore reduces the inverter losses when the motor is not operational. The inverter can control its own line contactor using a digital output. You must supply the inverter with 24 V so that the line contactor control of the inverter also functions when disconnected from the line supply.
  • Page 358 Advanced commissioning 6.33 Line contactor control Setting the line contactor control Parameter Explanation p0860 Line contactor feedback signal ● p0860 = 863.1: no feedback signal (factory setting) ● p0860 = 722.x Feedback signal of an NO contact via DIx ● p0860 = 723.x: Feedback signal of an NC contact via DIx p0861 Line contactor monitoring time (Factory setting: 100 ms) The inverter signals fault F07300 if, for an activated feedback signal, no feedback signal...
  • Page 359: Calculating The Energy Saving For Fluid Flow Machines

    Advanced commissioning 6.34 Calculating the energy saving for fluid flow machines 6.34 Calculating the energy saving for fluid flow machines Fluid flow machines, which mechnically control the flow rate using valves or throttle flaps, operate with a constant speed corresponding to the line frequency. Figure 6-82 Flow control with pump and throttle connected to a 50 Hz line supply The lower the flow rate, the poorer the efficiency of the fluid flow machine (pump).
  • Page 360 Advanced commissioning 6.34 Calculating the energy saving for fluid flow machines Parameter Description r0039 Energy display [kWh] Energy balance Energy usage since the last reset Energy drawn since the last reset Energy fed back since the last reset p0040 Reset energy consumption display A signal change 0 →...
  • Page 361: Switchover Between Different Settings

    Advanced commissioning 6.35 Switchover between different settings 6.35 Switchover between different settings There are applications that require different inverter settings. Example: You connect different motors to one inverter. Depending on the particular motor, the inverter must operate with the associated motor data and the appropriate ramp-function generator. Drive data sets (DDS) Your can set several inverter functions differently and then switch over between the different settings.
  • Page 362 Advanced commissioning 6.35 Switchover between different settings Table 6-66 Parameters for switching the drive data sets: Parameter Description p0820[0…n] Drive data set selection DDS bit 0 If you use several command data sets CDS, then you must set this parameter for p0821[0…n] Drive data set selection DDS bit 1 each CDS.
  • Page 363: Saving The Settings And Series Commissioning

    Saving the settings and series commissioning Saving settings outside the inverter After commissioning, your settings are saved in the inverter so that they are protected against power failure. We recommend that you additionally back up the settings on a storage medium outside the inverter.
  • Page 364: Saving Settings On A Memory Card

    Saving the settings and series commissioning 7.1 Saving settings on a memory card Saving settings on a memory card 7.1.1 Memory cards Recommended memory cards Table 7-1 Memory cards to back up inverter settings Scope of delivery Article number Memory card without firmware 6SL3054-4AG00-2AA0 Memory card with firmware V4.7 6SL3054-7EH00-2BA0...
  • Page 365 Saving the settings and series commissioning 7.1 Saving settings on a memory card Table 7-3 License for the extended safety functions Scope of delivery Article number License without memory card 6SL3074-0AA10-0AA0 License with memory card without firmware 6SL3054-4AG00-2AA0-Z F01 License with memory card with firmware V4.7 6SL3054-7EH00-2BA0-Z F01 License with memory card with firmware V4.7 SP3 6SL3054-7TB00-2BA0-Z F01...
  • Page 366 Saving the settings and series commissioning 7.1 Saving settings on a memory card Functional restrictions with memory cards from other manufacturers The following functions are either not possible – or only with some restrictions – when using memory cards from other manufacturers: ●...
  • Page 367: Saving Setting On Memory Card

    Saving the settings and series commissioning 7.1 Saving settings on a memory card 7.1.2 Saving setting on memory card We recommend that you insert the memory card before switching on the inverter. The inverter always also backs up its settings on an inserted card. If you wish to back up the inverter settings on a memory card, you have two options: Automatically backing up Preconditions...
  • Page 368 Saving the settings and series commissioning 7.1 Saving settings on a memory card Manually backing up Preconditions ● The inverter power supply has been switched on. ● No memory card is inserted in the inverter. Procedure with Startdrive 1. Go online. 2.
  • Page 369 Saving the settings and series commissioning 7.1 Saving settings on a memory card 3. Set the number of your data backup. You can back up 99 different settings on the memory card. 4. Start data transfer with OK. 5. Wait until the inverter has backed up the settings to the memory card. You have backed up the settings of the inverter to the memory card.
  • Page 370: Transferring The Setting From The Memory Card

    Saving the settings and series commissioning 7.1 Saving settings on a memory card 7.1.3 Transferring the setting from the memory card Automatically transferring Precondition The inverter power supply has been switched off. Procedure 1. Insert the memory card into the inverter. 2.
  • Page 371 Saving the settings and series commissioning 7.1 Saving settings on a memory card Procedure with Startdrive 1. Go online. 2. Select "Online & diagnostics". 3. Select "Backing up/reset". 4. Select the settings as shown in the diagram. 5. Start data transfer 6.
  • Page 372: Safely Remove The Memory Card

    Saving the settings and series commissioning 7.1 Saving settings on a memory card 7. Wait until all inverter LEDs are dark. 8. Switch on the inverter power supply again. You have transferred the settings from the memory card to the inverter. ❒...
  • Page 373 Saving the settings and series commissioning 7.1 Saving settings on a memory card Procedure with the BOP-2 1. Set p9400 = 2. If a memory card is inserted, p9400 = 1. 2. The inverter sets p9400 = 3 or p9400 = 100. ●...
  • Page 374: Activate Message For A Memory Card That Is Not Inserted

    Safely remove memory card status 1 signal: Memory card inserted 1 signal: Memory card activated 1 signal: SIEMENS memory card 1 signal: Memory card used as USB data storage medium from the PC Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 375: Saving Settings On A Pc

    Saving the settings and series commissioning 7.2 Saving settings on a PC Saving settings on a PC You can transfer the inverter settings to a PG/PC, or vice versa, the data from a PG/PC to the inverter. Requirements ● The inverter power supply has been switched on. ●...
  • Page 376 Saving the settings and series commissioning 7.2 Saving settings on a PC Procedure with Startdrive when the safety functions are enabled 1. Save the project. 2. Select "Load to device". 3. Connect Startdrive online with the drive. 4. Press the "Start safety commissioning" button. 5.
  • Page 377: Saving Settings To An Operator Panel

    Saving the settings and series commissioning 7.3 Saving settings to an operator panel Saving settings to an operator panel You can transfer the inverter settings to the Operator Panel BOP‑2 or vice versa, the data from the BOP‑2 to the inverter. Precondition The inverter power supply has been switched on.
  • Page 378 Saving the settings and series commissioning 7.3 Saving settings to an operator panel 5. Wait until all inverter LEDs are dark. 6. Switch on the inverter power supply again. Your settings become effective after switching You have transferred the settings to the inverter. ❒...
  • Page 379: Other Ways To Back Up Settings

    On the memory card, you can back up 99 other settings in addition to the default setting. Additional information is available on the Internet: Memory options (http:// support.automation.siemens.com/WW/view/en/43512514). Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 380: Write Protection

    Saving the settings and series commissioning 7.5 Write protection Write protection The write protection prevents unauthorized changing of the inverter settings. If you are working with a PC tool, such as STARTER, then write protection is only effective online. The offline project is not write-protected.
  • Page 381 Saving the settings and series commissioning 7.5 Write protection Exceptions to write protection Some functions are excluded from write protection, e.g.: ● Activating/deactivating write protection ● Changing the access level (p0003) ● Saving parameters (p0971) ● Safely removing the memory card (p9400) ●...
  • Page 382: Know-How Protection

    Know-how protection without copy protection The inverter can be operated with or without memory card. Know-how protection with basic copy protection The inverter can only be operated with a SIEMENS memory card Know-how protection with extended copy pro‐ Memory cards (Page 362) tection...
  • Page 383 Saving the settings and series commissioning 7.6 Know-how protection ● Locked functions: – Downloading inverter settings using STARTER or Startdrive – Automatic controller optimization – Stationary or rotating measurement of the motor data identification – Deleting the alarm history and the fault history –...
  • Page 384: Extending The Exception List For Know-How Protection

    Saving the settings and series commissioning 7.6 Know-how protection 7.6.1 Extending the exception list for know-how protection In the factory setting, the exception list only includes the password for know-how protection. Before activating know-how protection, you can additionally enter the adjustable parameters in the exception list, which must still be able to be read and changed by end users –...
  • Page 385: Activating And Deactivating Know-How Protection

    Saving the settings and series commissioning 7.6 Know-how protection 7.6.2 Activating and deactivating know-how protection Activating know-how protection Preconditions ● The inverter has now been commissioned. ● You have generated the exception list for know-how protection. ● To guarantee know-how protection, you must ensure that the project does not remain at the end user as a file.
  • Page 386 Saving the settings and series commissioning 7.6 Know-how protection 7. Enter your password. Length of the password: 1 … 30 characters. Recommendation for assigning a password: – Only use characters from the ASCII set of characters. If you use arbitrary characters for the password, changing the windows language settings after activating know-how protection can result in problems when subsequently checking a password.
  • Page 387 Saving the settings and series commissioning 7.6 Know-how protection 3. Using the right-hand mouse key, open the dialog window "Know-how protection drive unit → Deactivate…". 4. Select the required option: – Temporary status: Know-how protection is again active after switching off the power supply and switching on again.
  • Page 388 Saving the settings and series commissioning 7.6 Know-how protection Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 389: Alarms, Faults And System Messages

    Alarms, faults and system messages The inverter has the following diagnostic types: ● LED The LEDs at the front of the inverter immediately inform you about the most important inverter states. ● System runtime The system run time is the total time that the inverter has been supplied with power since the initial commissioning.
  • Page 390: Operating States Indicated On Leds

    Alarms, faults and system messages 8.1 Operating states indicated on LEDs Operating states indicated on LEDs Table 8-1 Explanation of symbols for the following tables LED is ON LED is OFF LED flashes slowly LED flashes quickly LED flashes with variable frequency Please contact Technical Support for LED states that are not described in the following.
  • Page 391 Alarms, faults and system messages 8.1 Operating states indicated on LEDs Table 8-3 Integrated safety functions SAFE Explanation One or more safety functions are enabled, but not active. One or more safety functions are active and error-free. The inverter has detected a safety function fault and initiated a stop response. Table 8-4 PROFINET and PROFIBUS fieldbuses Explanation...
  • Page 392 Alarms, faults and system messages 8.1 Operating states indicated on LEDs Table 8-6 Fieldbuses via RS 485 interface Explanation Data exchange between the inverter and control system is active The fieldbus is active, however, the inverter is not receiving any process data When LED RDY flashes simultaneously: Inverter waits until the power supply is switched off and switched on again after a firmware update...
  • Page 393 Alarms, faults and system messages 8.1 Operating states indicated on LEDs Table 8-7 CANopen fieldbus Explanation Data exchange between the inverter and control system is active ("Operational" state) Fieldbus is in the "Pre-operational" state Fieldbus is in the "Stopped" state No fieldbus available When LED RDY flashes simultaneously: Firmware update failed...
  • Page 394: System Runtime

    Alarms, faults and system messages 8.2 System runtime System runtime By evaluating the system runtime of the inverter, you can decide whether you must replace components subject to wear such as fans, motors and gear units. Principle of operation The inverter starts the system runtime as soon as the inverter is supplied with power. The system runtime stops when the inverter is switched off.
  • Page 395: Identification & Maintenance Data (I&M)

    Alarms, faults and system messages 8.3 Identification & maintenance data (I&M) Identification & maintenance data (I&M) I&M data The inverter supports the following identification and maintenance (I&M) data. I&M Format Explanation Associated pa‐ Example for the data rameters content I&M0 u8[64] PROFIBUS Inverter-specific data, read only See below...
  • Page 396: Alarms, Alarm Buffer, And Alarm History

    Alarms, faults and system messages 8.4 Alarms, alarm buffer, and alarm history Alarms, alarm buffer, and alarm history Alarms Alarms have the following properties: ● Incoming alarms have no direct influence on the inverter. ● Alarms disappear again when the cause is eliminated. ●...
  • Page 397 Alarms, faults and system messages 8.4 Alarms, alarm buffer, and alarm history Alarm history Figure 8-2 Shifting removed alarms into the alarm history If the alarm buffer is completely filled and an additional alarm occurs, the inverter shifts all removed alarms into the alarm history. The following occurs in detail: 1.
  • Page 398 Alarms, faults and system messages 8.4 Alarms, alarm buffer, and alarm history Parameter Description r2123 Alarm time received in milliseconds Displays the time in milliseconds when the alarm occurred r2124 Alarm value Displays additional information about the alarm r2125 Alarm time removed in milliseconds Displays the time in milliseconds when the alarm was removed r2145 Alarm time received in days...
  • Page 399: Faults, Alarm Buffer And Alarm History

    Alarms, faults and system messages 8.5 Faults, alarm buffer and alarm history Faults, alarm buffer and alarm history Faults Faults have the following properties: ● In general, a fault leads to the motor being switched off. ● A fault must be acknowledged. ●...
  • Page 400 Alarms, faults and system messages 8.5 Faults, alarm buffer and alarm history Acknowledge fault To acknowledge a fault, you have the following options: ● PROFIdrive control word 1, bit 7 (r2090.7) ● Acknowledging via a digital input ● Acknowledge via the Operator Panel ●...
  • Page 401 Alarms, faults and system messages 8.5 Faults, alarm buffer and alarm history Parameters of the fault buffer and the fault history Parameter Description r0945 Fault code Displays the numbers of the faults that have occurred r0948 Fault time received in milliseconds Displays the time in milliseconds when the fault occurred r0949 Fault value...
  • Page 402 Alarms, faults and system messages 8.5 Faults, alarm buffer and alarm history Parameter Description p2126[0 … 19] Setting the fault number for the acknowledgement mode Selection of the faults for which the acknowledgement type should be changed. You can modify the acknowledgement type for up to 20 different fault codes. p2127[0 …...
  • Page 403: List Of Alarms And Faults

    Alarms, faults and system messages 8.6 List of alarms and faults List of alarms and faults Axxxxx Alarm Fyyyyy: Fault Table 8-8 The most important alarms and faults Number Cause Remedy F01000 Software error in the CU Replace CU. F01001 Floating point exception Switch off CU and switch on again.
  • Page 404 Alarms, faults and system messages 8.6 List of alarms and faults Number Cause Remedy F01512 An attempt has been made to es‐ Create scaling or check transfer value. tablish a conversion factor for scal‐ ing which does not exist A01590 Motor maintenance interval elapsed Carry out maintenance and reset the maintenance interval (p0651).
  • Page 405 Alarms, faults and system messages 8.6 List of alarms and faults Number Cause Remedy A01900 PROFIBUS: Configuration tele‐ Explanation: A PROFIBUS master is attempting to establish a connection gram faulty with a faulty configuration telegram. Check the bus configuration on the master and slave side. A01910 Setpoint timeout The alarm is generated when p2040 ≠...
  • Page 406 Alarms, faults and system messages 8.6 List of alarms and faults Number Cause Remedy A07321 Automatic restart active Explanation: The automatic restart (AR) is active. During voltage recovery and/or when remedying the causes of pending faults, the drive is automat‐ ically switched back on.
  • Page 407 Alarms, faults and system messages 8.6 List of alarms and faults Number Cause Remedy F07801 Motor overcurrent Check current limits (p0640). Vector control: Check current controller (p1715, p1717). V/f control: Check the current limiting controller (p1340 … p1346). Increase the acceleration ramp (p1120) or reduce the load. Check the motor and motor cables for short-circuit and ground fault.
  • Page 408 Alarms, faults and system messages 8.6 List of alarms and faults Number Cause Remedy A07904 External armature short-circuit: When closing, the contactor feedback signal (p1235) did not signal "closed" "Closed" contactor feedback signal (r1239.1 = 1) within the monitoring time (p1236). missing Check the following: ●...
  • Page 409 Alarms, faults and system messages 8.6 List of alarms and faults Number Cause Remedy F08501 Setpoint timeout ● Check the PROFINET connection. ● Set the controller to RUN mode. ● If the fault occurs repeatedly, check the monitoring time set p2044. F08502 Monitoring time, sign-of-life expired ●...
  • Page 410 Alarms, faults and system messages 8.6 List of alarms and faults Number Cause Remedy F30002 DC-link voltage overvoltage Increase the ramp-down time (p1121). Set the rounding times (p1130, p1136). Activate the DC-link voltage controller (p1240, p1280). Check the line voltage (p0210). Check the line phases.
  • Page 411 Alarms, faults and system messages 8.6 List of alarms and faults Number Cause Remedy F30053 Error in FPGA data Replace the Power Module. F30059 Internal fan defective Check the internal fan and if required replace. F30074 Communications error between There is a communications fault between the Control Unit and the Power Control Unit and Power Module Module.
  • Page 412 Alarms, faults and system messages 8.6 List of alarms and faults Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 413: Corrective Maintenance

    Corrective maintenance Spare parts compatibility Continuous development within the scope of product maintenance Inverter components are being continuously developed within the scope of product maintenance. Product maintenance includes, for example, measures to increase the ruggedness or hardware changes which become necessary as components are discontinued. These further developments are "spare parts-compatible"...
  • Page 414: Replacing Inverter Components

    ● Only commission the following persons to repair the inverter: – Siemens customer service – A repair center that has been authorized by Siemens – Specialist personnel who are thoroughly acquainted with all the warnings and operating procedures contained in this manual.
  • Page 415: Overview Of Replacing Converter Components

    Corrective maintenance 9.2 Replacing inverter components 9.2.1 Overview of replacing converter components Permissible replacement of components In the event of a long-term function fault, you must replace the Power Module or Control Unit. The inverter's Power Module and Control Unit can be replaced independently of each other. In the following cases you will need to replace the inverter: Replacing the Power Module Replacing the Control Unit...
  • Page 416 Corrective maintenance 9.2 Replacing inverter components Details of the device replacement without removable storage medium can be found in the Internet: PROFINET system description (http://support.automation.siemens.com/WW/view/en/ 19292127). Converter with the CU250S-2 Control Units Operating Instructions, 04/2018, FW V4.7 SP10, A5E31759476B AG...
  • Page 417: Replacing A Control Unit With Enabled Safety Function

    Corrective maintenance 9.2 Replacing inverter components 9.2.2 Replacing a Control Unit with enabled safety function Replacing a Control Unit with data backup on a memory card If you use a memory card with firmware, after the replacement, you obtain a precise copy (firmware and settings) of the replaced Control Unit.
  • Page 418 Corrective maintenance 9.2 Replacing inverter components Procedure 1. Switch off the line voltage to the Power Module and (if installed) the external 24 V supply or the voltage for the digital outputs o