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MICROMASTER 420
0.12 kW - 11 kW
Operating Instructions
User Documentation
6SE6400-5AA00-0BP0
Issue 07/04

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   Summary of Contents for Siemens MICROMASTER 420

  • Page 1 MICROMASTER 420 0.12 kW - 11 kW Operating Instructions Issue 07/04 User Documentation 6SE6400-5AA00-0BP0...
  • Page 2 Gives information about features of the MICROMASTER 420, Installation, Commissioning, Control modes, System Parameter structure, Troubleshooting, Specifications and available options of the MICROMASTER 420. Parameter List The Parameter List contains the description of all Parameters structured in functional order and a detailed description.
  • Page 3 Overview Installation Commissioning MICROMASTER 420 0.12 kW - 11 kW Troubleshooting MICROMASTER 420 Operating Instructions specifications User Documentation Options Electro-magnetic compatibility (EMC) Appendices Valid for Release Issue 07/04 Index Inverter Type Control Version MICROMASTER 420 V1.1 0.12 kW - 11 kW...
  • Page 4 The information contained in this document is reviewed © Siemens AG 2001, 2002, 2004. All Rights Reserved. regularly and any necessary changes will be included in the next edition. We welcome suggestions for MICROMASTER®...
  • Page 5 & support to the support tools in the shop. http://www.siemens.com/automation/service&support Contact address Should any questions or problems arise while reading this manual, please contact the Siemens office concerned using the form provided at the back this manual. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 6 Earth voltage. This connection is normally used to ground the motor. Use for intended purpose only The equipment may be used only for the application stated in the manual and only in conjunction with devices and components recommended and authorized by Siemens. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 7: Safety Instructions

    Please read the information carefully, since it is provided for your personal safety and will also help prolong the service life of your MICROMASTER 420 Inverter and the equipment you connect to it. General...
  • Page 8 The connection of power, motor and control cables to the inverter must be carried out as shown in Fig. 2-8 on page 33, to prevent inductive and capacitive interference from affecting the correct functioning of the inverter. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 9 EN 60204, 9.2.5.4) Repair WARNING Repairs on equipment may only be carried out by Siemens Service, by repair centers authorized by Siemens or by qualified personnel who are thoroughly acquainted with all the warnings and operating procedures contained in this manual.
  • Page 10 Safety Instructions Issue 07/04 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 11: Table Of Contents

    Issue 07/04 Table of Contents Table of Contents Overview ........................ 17 The MICROMASTER 420..................18 Features........................19 Installation ......................21 General ........................23 Ambient operating conditions ................. 23 Mechanical installation.................... 25 Electrical installation ....................27 Functions....................... 35 Parameters ......................38 Operator panels for MICROMASTER..............
  • Page 12 Troubleshooting....................151 Troubleshooting with the SDP ................152 Troubleshooting with the BOP ................153 Fault messages and alarm messages ..............154 MICROMASTER 420 specifications..............157 Options ........................ 165 Device-independent options ................. 165 Device-dependent options ..................165 Electro-magnetic compatibility (EMC) .............. 167 Electro-magnetic compatibility (EMC)..............
  • Page 13 Forming ..........................23 Fig. 2-2 Ambient operating temperature .................... 23 Fig. 2-3 Installation altitude........................ 24 Fig. 2-4 Drill pattern for MICROMASTER 420 ................... 25 Fig. 2-5 MICROMASTER 420 connection terminals................29 Fig. 2-6 Motor and Power Connections ..................... 30 Fig. 2-7 Control terminals of MICROMASTER 420................
  • Page 14: Fig

    Drive inverter response ...................... 136 Fig. 3-57 PTC characteristic for 1LG / 1LA motors ................137 Fig. 3-58 Connecting a temperature sensor to MICROMASTER 420..........138 Fig. 3-59 Drive inverter response to an overload condition ............... 140 Fig. 3-60 Overload response of the drive inverter (P0290)..............141 Fig.
  • Page 15 Issue 07/04 Table of Contents List of Tables Table 2-1 Dimensions and Torques of MICROMASTER 420............... 25 Table 3-1 Parameter attributes ......................40 Table 3-2 Parameter P0700 ......................... 44 Table 3-3 Parameter P1000 ......................... 45 Table 3-4 Parameter P0719 ......................... 46 Table 3-5 Normalized interfaces......................
  • Page 16 Table of Contents Issue 07/04 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 17: Overview

    Issue 07/04 1 Overview Overview This Chapter contains: A summary of the major features of the MICROMASTER 420 range. The MICROMASTER 420..................18 Features........................19 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 18: The Micromaster 420

    Comprehensive protective functions provide excellent inverter and motor protection. The MICROMASTER 420 with its default factory settings, is ideal for a large range of simple motor control applications. The MICROMASTER 420 can also be used for more advanced motor control applications via its comprehensive parameter lists.
  • Page 19: Features

    Built-in DC injection brake Compound braking to improve braking performance Setpoint input via: Analog input Communication interface JOG function Motorized potentiometer Fixed frequencies Ramp function generator With smoothing Without smoothing Closed-loop control with proportional-integral controller function (PI) MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 20 1 Overview Issue 07/04 Protection characteristics Overvoltage/undervoltage protection Overtemperature protection for the inverter Ground fault protection Short-circuit protection t thermal motor protection PTC for motor protection Options Refer to Chapter 6 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 21: Installation

    General data relating to installation Dimensions of Inverter Wiring guidelines to minimize the effects of EMI Details concerning electrical installation General ........................23 Ambient operating conditions ................. 23 Mechanical installation.................... 24 Electrical installation ....................27 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 22 The connection of power, motor and control cables to the inverter must be carried out as shown in Fig. 2-8 on page 33, to prevent inductive and capacitive interference from affecting the correct functioning of the inverter. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 23: General

    Storage period 3 and more years Prior to energizing, form according to the curve Time t [h] Fig. 2-1 Forming Ambient operating conditions Temperature Permissible output current [°C] Operating temperature Fig. 2-2 Ambient operating temperature MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 24: Fig. 2-3 Installation Altitude

    The inverters can be mounted without any clearance at either side. Allow 100 mm clearance above and below the inverter. Make sure that the cooling vents in the inverter are positioned correctly to allow free movement of air. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 25: Mechanical Installation

    Ø 4.5 mm 174 mm 5.43" 0.17" 6.85" Fig. 2-4 Drill pattern for MICROMASTER 420 Table 2-1 Dimensions and Torques of MICROMASTER 420 Frame-Size Overall Dimensions Fixing Method Tightening Torque 73 x 173 x 149 2 x M4 Bolts Width x 2.5 Nm...
  • Page 26 1. To disengaged the release mechanism of the inverter, insert a screwdriver into the release mechanism. 2. Apply a downward pressure and the lower rail latch will disengage. 3. Pull the inverter from the rail. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 27: Electrical Installation

    5 minutes to allow the unit to discharge after switching off before carrying out any installation work. CAUTION The control, power supply and motor leads must be laid separately. Do not feed them through the same cable conduit/trunking. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 28 All inverters will operate at full specification with cable lengths up to 50 m screened or 100 m unscreened. When using output reactors as shown in Catalog DA 51.2, the following cable lengths are possible for all of the types of construction/sizes: Shielded: 200 m Non-shielded: 300 m MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 29: Fig. 2-5 Micromaster 420 Connection Terminals

    You can gain access to the mains and motor terminals by removing the covers (see also Appendices A and B). The mains and motor connections must be made as shown in Fig. 2-6. L2/N L1/L Fig. 2-5 MICROMASTER 420 connection terminals MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 30: Fig. 2-6 Motor And Power Connections

    Single Phase Optional Optional Contactor line choke Filter MICROMASTER Motor Fuse L/L1 N/L2 Three Phase Optional Optional Contactor line choke Filter MICROMASTER Motor Fuse 1) with and without filter Fig. 2-6 Motor and Power Connections MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 31: Fig. 2-7 Control Terminals Of Micromaster 420

    Digital output / Changeover contact DAC+ Analog output (+) DAC- Analog output (-) RS485 port RS485 port Fig. 2-7 Control terminals of MICROMASTER 420 A detailed description of the inputs and outputs is provided in Section 3.6. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 32 Use screened or armored cables for the motor connections and ground the screen at both ends using the cable clamps WARNING Safety regulations must not be compromised when installing inverters! MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 33: Fig. 2-8 Wiring Guidelines To Minimize The Effects Of Emi

    Control cable Motor cable Footprint filter Metal back plate Use suitable clips to fix motor and control cable screens securely to metal back plate Screening cables Fig. 2-8 Wiring Guidelines to Minimize the Effects of EMI MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 34 2 Installation Issue 07/04 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 35: Functions

    An overview of the various ways of commissioning the MICROMASTER 420 A description of the inputs and outputs Possibilities of controlling the MICROMASTER 420 A description of the various functions of the MICROMASTER 420 and their implementation Explanation and information on the protective functions Parameters ......................
  • Page 36 Open-loop/closed-loop control technique ............. 143 3.21.1 V/f control......................143 3.21.1.1 Voltage boost ......................145 3.21.1.2 V/f open-loop control with flux current control (FCC)..........147 3.21.1.3 Slip compensation....................148 3.21.1.4 V/f resonance damping..................149 3.21.1.5 Current limiting (Imax controller)................150 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 37 The drive unit may not be used as 'Emergency switching-off device' (refer to EN 60204, 9.2.5.4). CAUTION Only qualified personnel may commission (start-up) the equipment. Safety measures and warnings must be always extremely carefully observed and fulfilled. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 38: Parameters

    748, bit 01 P0719[1] setting parameter 719 index 1 P0013[0...19] setting parameter 13 with 20 indices (indices 0 to 19) Abbreviated notation P0013[20] setting parameter 13 with 20 indices (indices 0 to 19) MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 39 In addition to the parameter number and parameter text, every setting and monitoring parameter has different attributes which are used to individually define the properties/characteristics of the parameter. The attributes are listed in the following Table (refer to Table 3-1) which are used for MICROMASTER. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 40: Table 3-1 Parameter Attributes

    No dimension Percentage Ampere Volt Microseconds Milliseconds Seconds Hertz Kilohertz 1/min Revolutions per minute [RPM] Meters per second Newton meter Watt Kilowatt Horse power Kilowatt hours °C Degrees Celsius Meter Kilograms ° Degrees (angular degrees) MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 41 This parameter attribute identifies as to whether the parameter is included in the quick commissioning (start-up) (P0010 = 1). The parameter is not included in the quick commissioning (start-up) The parameter is included in the quick commissioning (start-up) MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 42: Fig. 3-2 Header Line For Parameter P0305

    Rated motor current Min: 0.01 Level: CStat: Datatype: Float Unit Def: 3.25 P-Group: MOTOR Active: first confirm QuickComm. Yes Max: 10000.00 Group QuickComm. Wertebereich Active Datatype CStat Unit Fig. 3-2 Header line for parameter P0305 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 43: Fig. 3-3 Parameter Grouping / Access

    Digital I/O P1200 ... P1299 P0700 ... P0749 P0004 = 8 P0004 = 10 P0800 ... P0899 Analogue I/O Setpoint Channel & P0750 ... P0799 Ramp Generator P1000 ... P1199 Fig. 3-3 Parameter grouping / access MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 44: Table 3-2 Parameter P0700

    The following internal or external sources / interfaces can be selected for the frequency setpoint source P1000. In addition to the main setpoint (1 position), a supplementary setpoint (2 position) can be selected (refer to Table 3-3). MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 45: Table 3-3 Parameter P1000

    When modifying P0700 or P1000, then the drive inverter also changes the subordinate BICO parameters (refer to the parameter list for P0700 or P1000 and the appropriate tables) No priority has assigned between the direct BICO parameterization and P0700/P1000. The last modification is valid. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 46: Table 3-4 Parameter P0719

    Contrary to parameter P0700 and P1000, subordinate BICO parameters are not changed for parameter P0719. This characteristic/feature can be used during service if the control authority must be briefly and quickly re-assigned (e.g. selecting and executing the motor data identification routine using a PC-based tool). MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 47: Fig. 3-4 Binectors

    BI parameter (e.g.: Interconnecting the "BO" parameter r0751 with "BI" parameter P0731 P0731 = 751). Abbreviation and symbol Name Function Binector input Data flow (signal receiver) Pxxxx Function BI: ... Binector output Data flow (signal source) rxxxx Function BO: ... Fig. 3-4 Binectors MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 48: Fig. 3-5 Connectors

    Name Function Connector input Data flow (signal receiver) Pxxxx Function CI: ... Connector output Data flow (signal source) rxxxx Function CO: ... Binector/connector Data flow output rxxxx (signal source) Functions CO/BO: ... Fig. 3-5 Connectors MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 49: Fig. 3-6 Bico Connections (examples)

    BI: Function of digital output 1 P0731 P0731 P0731 Function (52:3) P0731 = 52.3 Fig. 3-6 BICO connections (examples) NOTE BICO parameters with the CO, BO or CO/BO attributes can be used a multiple number of times. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 50: Table 3-5 Normalized Interfaces

    Designation Value (100 % / 4000 Units P2000 Reference frequency P2000 P2001 Reference voltage P2001 P2002 Reference current P2002 Reference speed P2000 * 60 / r0313 Reference temperature 100 °C °C Reference energy 100 kWh MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 51: Fig. 3-7 Normalization / De-normalization

    For instance, if for a NEMA motor the parameter is set to 60 Hz and P2000 is not changed, then the analog setpoint / actual value at 100 % or a setpoint/actual value signal at 4000 h is limited to 50 Hz! MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 52: Operator Panels For Micromaster

    BOP and drive inverter. A BOP does not have a local memory. This means that it is not possible to save a parameter set on the BOP. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 53: Description Of The Aop (advanced Operator Panel)

    For DriveMonitor, the default value for the USS-PZD length is set to 2. This results in a conflict if the AOP and the DriveMonitor are operated, alternating, at the same interface. Remedy: Increase the USS-PZD length to 4. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 54: Fig. 3-9 Operator Panel Keys

    Pressing this button increases the displayed value. value Decrease Pressing this button decreases the displayed value. value AOP menu Calls the AOP menu prompting (this is only available for AOP). Fig. 3-9 Operator panel keys MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 55: Fig. 3-10 Changing Parameters Using The Bop

    (the display which the customer has defined) Fig. 3-10 Changing parameters using the BOP NOTE The BOP sometimes display when changing parameter values. This means that the drive inverter is presently handling another higher-priority task. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 56: Block Diagram

    50 Hz COM link RS485 The analog input circuit can be DIP switch alternatively configured to provide an additional digital U,V,W input (DIN4): automatic Option DIN4 24 V Fig. 3-11 MICROMASTER 420 – block diagram MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 57: Factory Setting

    P0304 Rated motor current P0305 Rated motor frequency P0310 (We recommend a Siemens standard motor.) Further, the following conditions must be fulfilled: Control (ON/OFF command) via digital inputs (refer to Table 3-7) Setpoint input via analog input 1 P1000 = 2...
  • Page 58: Fig. 3-13 Recommended Wiring For The Factory Setting

    If settings have to be made which go beyond the factory setting, then depending on the complexity of the application, when commissioning the drive system, the particular function description as well as the parameter list including function charts must be carefully taken into consideration. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 59: Commissioning

    P0344 = ? P0340 = 1 Series commissioning Section 3.5.6 Stator resistance known? P0350 = ? P1910 = 1 P0340 = 1 A0541 Application commissioning Section 3.5.5 End of commissioning Fig. 3-14 Procedure when commissioning MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 60: Installation

    If commissioning is interrupted due to a power failure, then parameters could be lost. In this case, commissioning must always be re-started (it may be necessary to restore the parameters to the factory setting (refer to Section 3.5.7). MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 61: Fig. 3-15 Dip Switch To Change-over Between 50/60 Hz

    Power in hp Frequency 50 Hz Frequency 60 Hz Frequency 60 Hz P0100 = 0 P0100 = 2 P0100 = 1 Fig. 3-16 Mode of operation of the 50/60 Hz DIP switch in conjunction with P0100 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 62: Quick Commissioning

    The frequency inverter is adapted to the motor using the quick commissioning function and important technological parameters are set. The quick commissioning shouldn't be carried-out if the rated motor data saved in the frequency inverter (4-pole 1LA Siemens motor, star circuit configuration frequency inverter (FU)- specific) match the rating plate data.
  • Page 63 Force-cooled: Using separately powered cooling fan 150 % Motor overload factor P0640 =... (Motor overload factor in [%] relative to P0305) This defines the limit of the maximum output current as a % of the rated motor current (P0305). MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 64 End of quick commissioning/ drive setting ENDE If additional functions must be implemented at the drive inverter, please use the instructions in Section 3.5.5 "Commissioning the application". We recommend this procedure for drives with a high dynamic response.. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 65: Fig. 3-17 Example Of A Typical Motor Rating Plate

    In order to ensure a straightforward, successful commissioning, it is important that the circuit connection in the motor terminal box (refer to Fig. 3-18) matches the rated motor voltage entered in P0304 or the rated motor current P0305. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 66: Fig. 3-18 Motor Terminal Box

    3-19) must be made and then entered. NOTE The outer conductor voltage/phase-to-phase voltage (voltage U between outer conductors L1, L2) and the outer conductor current (phase current) I are always specified on the rating plate. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 67: Fig. 3-19 Star / Delta Circuit Configurations

    N∆ N∆ f = frequency (400 V) n = speed N∆ N∆ p = pole pair No. (230 V)       N∆ ∆ (50 Hz) (87 Hz) Fig. 3-20 V/f characteristic MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 68: Table 3-8 Example 1la7060-4ab10

    DriveMonitor offer, in conjunction with the drive inverter, parameter-orientated quick commissioning where the user is navigated through the menu tree mentioned above. NOTE The MICROMASTER series of drive units is not available for 3-ph. 690 V AC. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 69: Table 3-9 Parameter For Motor/control Data

    When exiting the quick commissioning with P3900 > 0 (refer to Section 3.5.2), internally P0340 is set to 1 (complete parameterization). For the motor data identification (refer to Section 3.5.4), after the measurement has been completed, internally P0340 is set to 3. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 70: Motor Data Identification (stator Resistance)

    The following formula can be applied to check the correctness of the motor rating plate data: = 3 V with rated motor power rated motor voltage (star / delta) rated motor current (star / delta) power factor efficiency MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 71 Alarm message A0541 (motor data identification routine active) is output. A0541 After the motor data identification routine has been completed: 1. P1910 is reset (P1910 = 0) 2. A0541 is withdrawn MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 72: Commissioning The Application

    19200 baud Defines the number of 16-bit words in PZD part of USS telegram. 38400 baud 57600 baud USS PKW length P2013 =... Defines the number of 16-bit words in PKW part of USS telegram. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 73: Selection Of Command Source

    12.3 ms debounce time DIN channel Kl.8 P24 Function of DIN 1 Debounce time: DIN 0 ... 99 0 ... 3 P0701 (1) Kl.9 0 V P0724 (3) 24 V & r0722 r0722 CO/BO: Bin.inp.val MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 74 Fixed frequency USS on BOP link USS on COM link CB on COM link Sequence control P1000 = Additonal setpoint Setpoint Motor BOP link channel control P1000 = 1 Main setpoint COM link COM link MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 75 P0780 =... Width of DAC deadband P0781 =... P0777 P0779 100 % Sets width of deadband in [mA] for analog output. DAC channel r0774 P0781 P0773 Function r0xxx P0771 dead scaling zone P0771 = xxx MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 76 Fixed frequency 6 P1006 =... 17 = Binary coded selection + ON command (BCD-coded + On/ Off1) 30.00 Hz Fixed frequency 7 P1007 =... The BCD-coded operating mode is effective for digital inputs 1 to 3. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 77 Skip frequency bandwidth P1101 =... (entered in Hz) 10.00 s Ramp-up time P1120 =... (enters the accelerating time in s) P1082 10.00 s Ramp-down time P1121 =... (enters the deceleration time in s) P1120 P1121 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 78: Motor Control

    Voltage boost as a % relative to P0305 (rated motor current) and P0350 (stator resistance). P1310 is valid for all V/f versions (refer to P1300). At low output frequencies, the effective resistance values of the winding can no longer be neglected in order to maintain the motor flux. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 79 Slip compensation (entered in %) P1335 =... Dynamically adjusts output frequency of inverter so that motor speed is kept constant independent of motor load. 0.00 Resonance damping gain V/f P1338 =... Defines resonance damping gain for V/f. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 80 Motor overload factor [%] P0640 =... Defines motor overload current limit in [%] relative to P0305 (rated motor current). Limited to maximum inverter current or to 400 % of rated motor current (P0305), whichever is the lower. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 81: Flying Start

    Defines the time interval during which the frequency inverter runs with the min. frequency P1080 after magnetizing, before the ramp-up starts. 1.0 s Holding time after ramp-down (entered in s) P1217 =... Defines time for which inverter runs at minimum frequency (P1080) after ramping down. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 82: Compound Braking

    Sets the ramp-up time for the PID setpoint 1.00 s Ramp-down time for PID setpoint P2258 =... Sets ramp-down time for PID setpoint 755.0 CI: PID feedback P2264 =... Selects the source of the PID feedback signal. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 83 For the DriveMonitor start-up program, "NC" (not connected) or "drive busy" is displayed. The "busy" text is displayed at the BOP operator panel After reset has been completed, for the start-up programs STARTER and DriveMonitor and the BOP operator panel, communications are automatically re- established. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 84: Fig. 3-21 Upread / Download Using Aop And Pc Tools

    This means that it is possible to transfer the parameter set from drive inverter A to drive inverter B which, for identical applications (e.g. series machines, group drives) allows data to be copied and therefore in turn fast commissioning. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 85 If the motor holding brake (refer to Section 3.13) is controlled by the MICROMASTER, then series commissioning may not be carried-out for potentially hazardous loads (e.g. suspended loads for crane applications). MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 86: Parameter Reset To The Factory Setting

    For the DriveMonitor start-up program, "NC" (not connected) or "drive busy" is displayed. The "busy" text is displayed at the BOP operator panel After reset has been completed, for the start-up programs STARTER and DriveMonitor or the BOP operator panel, communications are automatically re- established. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 87: Inputs / Outputs

    0 ... 1 P24 (PNP) P0701 P0725 (1) Kl.9 0 V (NPN) Debounce time: DIN 0 ... 3 24 V P0724 (3) Function 24 V & Pxxxx BI: ... r0722 r0722 CO/BO: Bin.inp.val Fig. 3-22 Digital inputs MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 88: Table 3-10 Parameters P0701 - P0706

    Disable additional frequency setpoint Enable BICO parameterization Example: An ON/OFF1 command should be realized using digital input DIN1. P0700 = 2 Control enabled via terminal strip (digital inputs) P0701 = 1 ON/OFF1 via digital input 1 (DIN1) MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 89 P0701 = 99 BICO enabled for DIN1 P0840 = 722.0 ON/OFF1 via DIN1 NOTE Only experienced users should use the BICO parameterization and for applications where the possibilities provided by P0701 – P0704 are no longer adequate. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 90: Fig. 3-23 Digital Output

    (digital output). For the definition, the "BO" parameter number or "CO/BO" parameter number and the bit number of the particular state should be entered into P0731. Frequently used states including the parameter number and bit are shown in the following Table (refer to Table 3-11). MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 91: Table 3-11 Parameter P0731 (frequently Used Functions / States)

    Act. frequency f_act > P1080 (f_min) 53.3 Act. current r0027 >= P2170 53.6 Act. frequency f_act >= setpoint NOTE A complete list of all of the binary status parameters (refer to "CO/BO" parameters) can be taken from the parameter list. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 92: Fig. 3-24 Connection Example For Adc Voltage Input

    ADC channel r0754 P1000 P0756 P0761 P0753 Setpoint ADC+ dead r0755 Pxxxx scaling type zone r0752 P0756 P0761 F0080 Wire breakage sensing r0751 r0722 1.7 V r0722.3 Pxxxx P0704 3.9 V Function Fig. 3-25 ADC channel MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 93: Fig. 3-26 Wire Breakage Monitoring

    Note The wire-breakage monitoring function is only possible for unipolar analog inputs. Input range 0 to 0.5 * P0761 of the analog input must be excluded when activating the wire breakage monitoring for normal operation. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 94: Fig. 3-27 Signal Output Through The Dac Channel

    Fig. 3-28 DAC channel NOTE The analog output only provides the current output (0 ... 20 mA). A 0 ... 10 V voltage signal can be generated by connecting a 500 Ohm resistor across the output. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 95: Communications

    FP2700, FP2710 USS at COM link FP2600, FP2610 USS at BOP link FP2500, FP2510 MICROMASTER 420 has 2 serial communication interfaces which can be simultaneously used. These interfaces are designated as follows in the following text: BOP link COM link...
  • Page 96: Table 3-12 Bop Link

    COM link – interface CB on COM link USS on COM link P2040 r2053 P2009[0] r2024[0] P2041 r2054 P2010[0] r2025[0] r2050 r2090 P2011[0] r2026[0] P2051 r2091 P2012[0] r2027[0] P2013[0] r2028[0] P2014[0] r2029[0] r2018 r2030[0] P2019 r2031[0] r2036 r2037 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 97 – both in the drive converter as well as in the connected drive unit or in the connected option module. In this case, the relevant operating instructions should be used for the AOP and for the communication modules. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 98: Fig. 3-30 Rs485 Terminator

    RS485 Terminator may be used to terminate the bus by using P+ and N- only, for the bus is powered by the last drive as explained. NOTE The supply for the pull up/ pull down resistors must be available whenever RS485 communication is in progress! MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 99: Fixed Frequencies (ff)

    If several fixed frequencies are simultaneously active, then the selected frequencies are added. Table 3-14 Example for direct coding via digital inputs DIN3 DIN2 DIN1 0 Hz P1001 P1002 P1003 FF1+FF2 FF1+FF2+FF3 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 100 ON command is not required. The following is obtained essentially analog to the example shown above: a) Standard method P0701 = 16 b) BICO method P0701 = 99, P1020 = 722.0, P1016 = 2 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 101: Table 3-15 Example For Binary Coding Via Digital Inputs

    -650.00 ... 650.00 [Hz] P1001.D (0.00) CO: Act. FF r1024 Fixed frequency 7 1 1 1 -650.00 ... 650.00 [Hz] P1007.D (30.00) Fig. 3-33 Example for selecting FF1 via DIN1 and FF2 via DIN2 using the binary-coded method MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 102: Motorized Potentiometer (mop)

    P0700, the BICO parameter is appropriately modified. Example: Command source via "USS on BOP link" interface a) Standard method P0700 = 4 b) BICO method P1035 = 2032.13 P1036 = 2032.14 :::: (refer to P0700 for a complete list) MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 103: Table 3-16 Mode Of Operation Of The Mop

    BOP or AOP: Table 3-17 Selecting the motorized potentiometer Parameters / keys AOP (at the BOP link) Command P0700 source Setpoint P1000 source P1035 2032.13 (2032.D) P1036 2032.14 (2032.E) Raise MOP output frequency Lower MOP output frequency MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 104: Jog

    These "JOG keys" are selected using the BICO parameters P1055 and P1056. A0923 A0923 "1" JOG right P1055 "0" "1" JOG left BOP link P1056 "0" COM link P1082 P1058 COM link P1059 -P1082 Fig. 3-35 JOG counter-clockwise and JOG clockwise MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 105 Example: Command source via "USS on BOP link" interface a) Standard method P0700 = 4 b) BICO method P1055 = 2032.8 P1056 = 2032.9 :::: (refer to P0700 for a complete list) MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 106: Pid Controller (technological Controller)

    (refer to Fig. 3-36). P2254 Motor control P2253 Output BOP link P2264 COM link P2265 P2271 P2200 COM link Fig. 3-36 Structure of the technological controller (PID controller) MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 107 (upper limit for the PID output) and P2292 (lower limit for the PID output). As soon as these limits have been reached, the dynamic response of the PID controller is no longer limited by this ramp-up/ramp-down time (P2293). MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 108: Table 3-18 Correspondence Between The Parameters

    BI: Enable MOP (UP-command) P2236[3] BI: Enable PID-MOP (DOWN-cmd) P1036[3] BI: Enable MOP (DOWN-command) P2240[3] Setpoint of PID-MOP P1040[3] Setpoint of the MOP r2250 CO: Output setpoint of PID-MOP r1050 CO: Act. output freq. of the MOP MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 109: Pid Fixed Setpoint (pid-ff)

    P0701 = 99, P2220 = 722.0, P2216 = 1 P2220 DIN1 r0722.0 ..P2201 ..r2224 Fig. 3-38 Example to directly select the PID fixed frequency of fixed frequency 1 via DIN1 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 110: Setpoint Channel

    Depending on external circumstances, the supplementary setpoint can be dynamically disconnected or switched-in to the summation point (refer to Fig. 3-40). This functionality can be used to advantage, especially for discontinuous processes. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 111 Using suppression frequencies, MICROMASTER allows these resonant frequencies to be passed through as quickly as possible. This means that the suppression frequencies increase the availability of the driven load over the long term. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 112: Ramp-function Generator (rfg)

    P1121. This allows a controlled transition when the setpoint is changed (refer to Fig. 3-42). P1120 P1121 P1130 P1131 P1132 P1133 down P1120 P1130 P1131) P1082 P1130 P1131) P1120 P1082 P1121 P1132 P1133) P1082 P1132 P1133) P1121 down P1082 Fig. 3-42 Ramp-function generator MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 113 Rounding off after an OFF1 command In addition to the rounding-off times, the ramp-function generator can be influenced using external signals. The ramp-function generator provides the following functionality using BICO parameters P1140, P1141 and P1142. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 114: Table 3-19 Bico Parameters For Ramp-function Generator

    -P1082 or 0 Hz for the direction of rotation inhibit) the setpoint speed for the control is obtained (r1170). NOTE The maximum drive inverter frequency is defined in the setpoint channel using parameter P1080. The maximum possible frequency is 650 Hz. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 115: Off/braking Functions

    DIN3 is active. OFF1 can be combined with DC current braking or compound braking. When the motor holding brake MHB (P1215) is activated, for an OFF1, P2167 and P2168 are not taken into account. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 116 Bit02 P1135 Operation P1135 Pulse down P1082 cancellation Fig. 3-46 OFF3 NOTE OFF3 can be entered using a wide range of command sources via BICO parameters P0848 (BI: 1. OFF3) and P0849 (BI: 2. OFF3). MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 117: Table 3-20 Examples For The Parameter Settings Of P0810

    For MICROMASTER 420, indexed parameter P0719 and BICO parameter P0810 are used to change over between the manual and automatic mode. The command and setpoint sources are defined using P0719 (refer to Table 3-21), whereby P0719 index 0 (P0719[0]) defines the automatic mode and P0719 index 1 (P0719[1]) the manual mode.
  • Page 118: Table 3-21 Possible Parameter Settings For P0719

    Setpoint = Analog setpoint Cmd = CB on COM link Setpoint = Fixed frequency Cmd = CB on COM link Setpoint = USS on BOP link Cmd = CB on COM link Setpoint = USS on COM link MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 119: Motor Holding Brake (mhb)

    P1216 "Holding brake release delay" (refer to Fig. 3-48). ON / OFF1/OFF3: OFF1/OFF3 Motor excitation finished r0056 Bit04 P0346 fmin (P1080) P1216 P1217 r0052.C Point 1 Point 2 Fig. 3-48 Motor holding brake after ON / OFF1 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 120 Via status signal using the serial interface (USS or PROFIBUS) The master must process the status signal. The signal must be connected to the digital output of the master to which the contactor / relay for the motor holding brake is connected. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 121 Lower the load to the floor, or Clamp the load using the motor holding brake (Caution: During the series commissioning, MICROMASTER must be prevented from controlling the motor holding brake). MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 122: Electronic Brakes

    3 Functions Issue 07/04 3.14 Electronic brakes MICROMASTER 420 has 2 electronic brakes: DC braking (refer to Section 3.14.1) Compound braking (refer to Section 3.14.2) These brakes can actively brake the drive and avoid a possible DC link overvoltage condition. An inter-dependency as shown in Fig. 3-50 is present.
  • Page 123 P1232. The status is displayed using signal r0053 bit 00. The inverter pulses are inhibited after the braking time has expired. OFF1/OFF3 P0347 OFF2 OFF2 DC braking DC braking active r0053 Bit00 P1233 Fig. 3-51 DC braking after OFF1 / OFF3 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 124 When parameterizing and setting the drive system, then as far as possible, it should be tested using real loads ! 5. DC braking is independent of the ON command. This means that it can even be selected in the "Ready" state. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 125: Compound Braking

    DC-Comp parameter P1254 (Auto detect V switch-on levels) either directly using the line supply voltage P0210 or indirectly using the DC link voltage and r1242 (refer to the formula in Fig. 3-53). MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 126 Auto-detect function disabled (P1254 = 0): 0210 Comp The V threshold is immediately re-calculated after entering P0210 DC-Comp P0210 must be adapted to the particular installation location MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 127: Automatic Restart

    Fault acknowl. Fault acknowl. restart restart Fault acknowl. Fault acknowl. Fault acknowl. Restart restart restart restart Fault acknowl. Fault acknowl. Fault acknowl. Fault acknowl. Fault acknowl. Restart restart restart restart restart restart MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 128 MICROMASTER is powered-down. However, when the line supply returns, motors can automatically start to run again without any operator intervention. If the operating range of the motors is entered in this status, this can result in death, severe injury or material damage. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 129: Flying Restart

    Once this state has been reached, the search frequency is kept constant and the output voltage is changed to the voltage value of the V/f characteristic with the magnetizing time P0346 (refer to Fig. 3-54). MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 130 0, it is possible that the drive is accelerated as a result of the search current ! If the operating range of the motors is entered when the drive is in this state, this can result in death, severe injury or material damage. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 131: Closed-loop Vdc Control

    Fig. 3-55). If the DC link threshold r1242 is again fallen below, then the Vdc_max controller withdraws the extension of the braking ramp. r1242 -controller active DC_max A0911 r0056 Bit 14 Fig. 3-55 Vdc_max controller MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 132 Auto-detect function disabled (P1254 = 0): 0210 The V threshold is immediately re-calculated after entering P0210 DC-Comp P0210 must be adapted to the particular installation location. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 133: Monitoring Functions / Messages

    CO/BO: Status word – motor control r0722 CO/BO: Status, digital inputs r0747 CO/BO: Status, digital outputs r2197 CO/BO: Messages 1 Frequently used monitoring functions / messages including parameter number and bit are shown in the following Table. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 134: Table 3-24 Partial Excerpt Of Monitoring Functions / Messages

    |f_act| > P1082 (f_max) 2197.6 f_act == setpoint (f_set) 2197.7 FP4110 i_act r0068 >= P2170 53.3 2197.8 FP4100 Approx. Vdc_act < P2172 53.7 2197.9 FP4110 Approx. Vdc_act > P2172 53.8 2197.A FP4110 No-load operation 2197.B MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 135: Thermal Motor Protection And Overload Responses

    Faults F0011 Function chart number: MICROMASTER 420 has a completely new integrated concept for thermal motor protection. There are numerous possibilities of effectively protecting the motor but at the same time ensuring high motor utilization. The basic philosophy of this innovative concept is to detect critical thermal states, output warnings and initiate the appropriate responses.
  • Page 136 If thermal data of a third-party motor is not entered, then values are used that are based on a Siemens motor. Thermal motor data should be taken from the appropriate motor Catalogs. MICROMASTER 420...
  • Page 137: Table 3-25 Thermal Classes

    If the resistance of the PTC temperature Fig. 3-57 PTC characteristic for sensor exceeds the shutdown (trip) 1LG / 1LA motors threshold (motor overtemperature condition), then Fault F0085 is output (external fault). MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 138 The specified circuit examples apply for the PTC temperature sensor from the M11 Motor Catalog (motor protection using PTC thermistors, Code Z = A10 – A16) - that is used for the 1LA and 1LG Siemens motors. NOTE In order to avoid noise from being coupled into the drive inverter electronics - with the associated disturbances - none of the free conductors in the motor cable may be used to connect the temperature sensor to the drive inverter.
  • Page 139: Power Module Protection

    "Warning and response" column can be modified by the user to optimize the system. These values have default settings so that the "Fault and shutdown" thresholds do not respond. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 140: Thermal Monitoring Functions And Overload Responses

    However, the possibilities of assigning parameters only involves interventions below the shutdown threshold which cannot be changed by users. MICROMASTER 420 has the following thermal monitoring functions: Heatsink temperature The monitoring of the heatsink temperature r0037[0] of the power semiconductor (IGBT).
  • Page 141 When the output frequency is reduced, this significantly reduces the drive inverter output current and in turn reduces the losses in the power module. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 142 NOTE If the drive inverter fan fails, this would be indirectly detected by the measurement of the heatsink temperature. A wire breakage or short circuit of the temperature sensor(s) is also monitored. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 143: Open-loop/closed-loop Control Technique

    In order to keep the flux constant, when frequency f changes, the voltage V must be changed in proportion so that a constant magnetizing current I flows. The V/f characteristic control is derived from these basic principles. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 144: Table 3-27 V/f Characteristic (parameter P1300)

    Characteristic which takes into able consideration the torque r0071 character- characteristic of the motor / istic driven load (e.g. synchronous P0304 P1300 = 3 motor). P1325 P1323 P1321 P1310 0 Hz P1320 P1322 P1324 P0310 P1082 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 145: Table 3-28 Voltage Boost

    Vmax Validity range (P0304) actual V Boost ConBoost,100 P1310 active ConBoost,50 f max Boost,end (P1316) (P0310) (P1082) \\erlf305a\Graphics_PLI\Images\p1310_linear_MM420.vsd P1311 Voltage boost when The voltage boost is only effective when accelerating accelerating- / braking or braking. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 146 (the motor overheats) ! The voltage value at 0 Hz is determined from the product of rated motor current P0305, stator resistance P0350 and the appropriate parameters P1310 – P1312. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 147: V/f Open-loop Control With Flux Current Control (fcc)

    The "V/f with FCC" control type (P1300 = 1) has proven itself in many applications. It has the following advantages with respect to the standard V/f control: Higher motor efficiency Improved stabilizing characteristics higher dynamic response improved behavior to disturbances / control MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 148: Slip Compensation

    P1335. This therefore eliminates the speed reduction, caused by the load, by boosting (increasing) the drive inverter output frequency (refer to Fig. 3-62). Without Slip compensation With Slip compensation out M2 out M1 Fig. 3-62 Slip compensation MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 149: V/f Resonance Damping

    The phase output currents are displayed for an output frequency of 45 Hz. Without V/f resonance damping (P1338 = 0) V/f resonance damping active (P1338 = 1) Fig. 3-63 Effect of V/f resonance damping MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 150: Current Limiting (imax Controller)

    0.000 ... 50.000 [s] P1345.D (0.250) P1346.D (0.300) Fig. 3-64 Imax controller NOTE A reduction in the frequency only reduces the load if the load decreases at lower speeds (e.g. square-law torque-speed characteristic of the driven load). MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 151: Troubleshooting

    Operating statuses and messages of the inverter with the SDP Notes on troubleshooting with the BOP A list of the alarms and fault messages Troubleshooting with the SDP ................152 Troubleshooting with the BOP ................153 Fault messages..................... 154 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 152: Troubleshooting With The Sdp

    4 Troubleshooting Issue 07/04 WARNING Repairs on equipment may only be carried out by Siemens Service , by repair centers authorized by Siemens or by qualified personnel who are thoroughly acquainted with all the warnings and operating procedures contained in this manual.
  • Page 153: Troubleshooting With The Bop

    Now use a switch between terminals 5 and 8 on the control board. The drive should now run to the defined setpoint by analogue input. NOTICE Motor data must relate to the inverter data power range and voltage. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 154: Fault Messages And Alarm Messages

    Alarm messages are stored in parameter r2110 under their code number (e.g. A0503 = 503) and can be read out from there. A detailed description of the alarm messages is provided in the parameter list. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 155 All of the fault messages are assigned the standard response to OFF2 (refer to the fault/alarm list). The standard responses of several fault messages, caused by the hardware - e.g. overcurrent F0001 - can neither be suppressed nor modified. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 156 4 Troubleshooting Issue 07/04 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 157: Micromaster 420 Specifications

    Issue 07/04 5 MICROMASTER 420 specifications MICROMASTER 420 specifications This Chapter contains: Table 5-1 contains the general technical specifications for the MICROMASTER 420 inverter Table 5-2 contains terminal tightening torques Table 5-3 contains information on reducing the current as a function of the...
  • Page 158: Table 5-1 Micromaster Performance Ratings

    5 MICROMASTER 420 specifications Issue 07/04 Table 5-1 MICROMASTER Performance Ratings Feature Specification Mains operating voltage 1 AC 200 V to 240 V 10 % 0,12 kW – 3,0 kW (0,16 hp – 4,0 hp) 3 AC 200 V to 240 V 10 % 0,12 kW –...
  • Page 159: Table 5-2 Dimensions, Required Cooling Air Flow And Tightening Torques For Power Terminals

    Issue 07/04 5 MICROMASTER 420 specifications Table 5-2 Dimensions, required cooling air flow and tightening torques for power terminals Frame Required cooling air Tightening torque for Dimensions Size flow power connections W x H x D 10.2 lbf.in inch 2.87 6.81...
  • Page 160: Table 5-4 Micromaster 420 Specifications

    5 MICROMASTER 420 specifications Issue 07/04 Table 5-4 MICROMASTER 420 Specifications In order to have a UL compliant installation fuses from the SITOR range with the appropriate current rating must be used. Input voltage range 1 AC 200 V – 240 V, ± 10 %...
  • Page 161 Issue 07/04 5 MICROMASTER 420 specifications Input voltage range 1 AC 200 V – 240 V, ± 10 % (Unfiltered) Order No. 6SE6420- 2UC11 2UC12 2UC13 2UC15 2UC17 2UC21 2UC21 2UC22 2UC23 -2AA1 -5AA1 -7AA1 -5AA1 -5AA1 -1BA1 -5BA1 -2BA1...
  • Page 162 5 MICROMASTER 420 specifications Issue 07/04 Input voltage range 3 AC 200 V – 240 V, ± 10 % (Unfiltered) Order No. 6SE6420- 2UC11- 2UC12- 2UC13- 2UC15- 2UC17- 2UC21- 2UC21- 2UC22- 2AA1 5AA1 7AA1 5AA1 5AA1 1BA1 5BA1 2BA1 [kW] 0.12...
  • Page 163 Issue 07/04 5 MICROMASTER 420 specifications Input voltage range 3 AC 380 V – 480 V, ± 10 % (with built in Class A Filter) Order No. 6SE6420- 2AD22- 2AD23- 2AD24- 2AD25- 2AD27- 2AD31- 2BA1 0BA1 0BA1 5CA1 5CA1 1CA1 [kW] 11.0...
  • Page 164 5 MICROMASTER 420 specifications Issue 07/04 Input voltage range 3 AC 380 V – 480 V, ± 10 % (Unfiltered) Order No. 6SE6420- 2UD13- 2UD15- 2UD17- 2UD21- 2UD21- 2UD22- 2UD23- 2UD24- 7AA1 5AA1 5AA1 1AA1 5AA1 2BA1 0BA1 0BA1 [kW] 0.37...
  • Page 165: Options

    Issue 07/04 6 Options Options An overview of the options available for the MICROMASTER 420 is given in this section. For further information about options, please refer to the catalog or the documentation CD. Device-independent options Basic Operator Panel (BOP)
  • Page 166 6 Options Issue 07/04 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 167: Electro-magnetic Compatibility (emc)

    Issue 07/04 7 Electro-magnetic compatibility (EMC) Electro-magnetic compatibility (EMC) This Chapter contains: EMC information. Electro-magnetic compatibility (EMC)..............168 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 168: Electro-magnetic Compatibility (emc)

    EC type examination certificate This approach is only applicable to radio communication transmitting apparatus. All MICROMASTER units are certified for compliance with the EMC directive, when installed in accordance with the recommendations in Section 2. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 169: Table 7-1 Permissible Harmonic Current Emissions

    EN 61000-3-2 "Limits for harmonic current emissions (equipment input 16 A per phase)". All Siemens variable speed drives of the MICROMASTER, MIDIMASTER, MICROMASTER Eco and COMBIMASTER ranges, which are classified as "Professional Equipment" within the terms of the standard, fulfill the requirements of the standard.
  • Page 170: Table 7-2 Class 1 - General Industrial

    ENV 50 140 80-1000 MHz, 10 V/m, 80% AM, power Field, amplitude modulated and signal lines Radio-frequency Electromagnetic Field, ENV 50 204 900 MHz, 10 V/m 50% duty cycle, 200 Hz pulse modulated repetition rate MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 171: Table 7-4 Class 3 - Filtered For Residential, Commercial And Light Industry

    The MICROMASTER inverters are intended exclusively for professional applications . Therefore, they do not fall within the scope of the harmonics emissions specification EN 61000-3-2. Maximum mains supply voltage when filters are fitted is 460 V. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 172: Table 7-5 Compliance Table

    Frame size A units 400-480 V with external Class A footprint filters 6SE6400-2FA00-6AD0 Class 3 – Filtered for residential, commercial and light industry 6SE6420-2U***-**A0 with Unfiltered units fitted with external Class B footprint filters. 6SE6400-2FB0*-***0 * denotes any value is allowed. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 173: Appendices

    Issue 07/04 Changing the Operator Panel Appendices Changing the Operator Panel MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 174: B Removing Covers

    Removing Covers Issue 07/04 Removing Covers Removing Covers Frame Size A MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 175: Removing Covers Frame Size B And C

    Issue 07/04 Removing Covers Removing Covers Frame Size B and C " MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 176: C Removing 'y' Cap

    Removing ‘Y’ Cap Issue 07/04 Removing ‘Y’ Cap Removing ‘Y’ Cap Frame Size A LK 700 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 177: Removing 'y' Cap Frame Size B And C

    Issue 07/04 Removing ‘Y’ Cap Removing ‘Y’ Cap Frame Size B and C MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 178: D Removing Fan

    Removing fan Issue 07/04 Removing fan Removing fan, Frame Size A MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 179: Removing Fan, Frame Sizes B And C

    Issue 07/04 Removing fan Removing fan, Frame Sizes B and C MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 180: E Applicable Standards

    EMC Product Standard for Power Drive Systems EN61800-3. Underwriters Laboratories UL and CUL LISTED POWER CONVERSION EQUIPMENT 5B33 for use in a pollution degree 2 ISO 9001 Siemens plc operates a quality management system, which complies with the requirements of ISO 9001. MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 181: List Of Abbreviations

    Common (terminal that is connected to NO or NC) COM-Link Communication link Commissioning, ready to run Constant torque Commissioning, run, ready to run Clockwise Digital analog converter Digital analog converter Direct current Drive data set Digital input MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 182 Light emitting diode Length Motor holding brake MICROMASTER 4th. Generation Motor potentiometer Normally closed Normally open Operating instructions Power drive system PID controller (proportional, integral, derivative) Parameter ID Parameter ID value Programmable logic controller Parameter list MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 183 Radio-frequency interference Revolutions per minute Scaling Status display panel SLVC Sensorless vector control Control word Start of text Space vector modulation Transistor-transistor logic Universal serial interface Vector control Variable torque Status word ZUSW Additional setpoint MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 184: Index

    Index Altitude............24 DC braking ..........122 Ambient operating conditions ....23 Dimensions and Torques......25 Altitude ..........24 Drill pattern for MICROMASTER 420 ..25 Atmospheric Pollution ......24 Electromagnetic Radiation....24 Humidity ..........24 Electrical Installation ........ 27 Installation and cooling ......24 Electro-Magnetic Compatibility Shock ............24...
  • Page 185: General

    Protection characteristics......20 Removing ‘Y’ Cap Frame Size B and C. 177 specifications ........157 Removing Covers Frame Size A ... 174 MICROMASTER 420 Specifications ..160 Removing Covers Frame Size B and C. 175 MICROMASTER Performance Ratings .158 Removing fan Monitoring functions / messages....133 Frame Size A........
  • Page 186: Commissioning

    8 dismantling & disposal......9 general ........... 7 operation ..........9 V/f control ..........143 repair ............9 Current limiting........150 transport & storage......... 8 Vibration ...........24 Water hazard ........... 24 Wiring Guidelines EMI ......33 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 187: Issue

    Suggestions and/or Corrections Suggestions Siemens AG Automation & Drives Group Corrections SD VM 4 Postfach 3269 For Publication/Manual: D-91050 Erlangen MICROMASTER 420 Bundesrepublik Deutschland Email: Technical.documentation@con.siemens.co.uk User Documentation Operating Instructions From Order Number: Name: 6SE6400-5AA00-0BP0 Date of Issue: 04/04 Company/Service Department...
  • Page 188 MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 189 Issue 07/04 View of Unit View of Unit Frame Size A Frame Size B & C fitted Power Terminal Connections Control Terminal Connections Access to "Y Cap " MICROMASTER 420 Operating Instructions 6SE6400-5AA00-0BP0...
  • Page 190 Siemens AG Bereich Automation and Drives (A&D) Geschäftsgebiet Standard Drives (SD) Postfach 3269, D-91050 Erlangen © Siemens AG, 2001, 2002, 2004 Federal Republic of Germany Object to change without prior notice Siemens Aktiengesellschaft Order No.: 6SE6400-5AA00-0BP0 Date: 07/04...

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  • griffin Nov 18, 2016 12:48:
    i need to run two fixed frequencie​s in both direction . i need to know parameters i need to set and what should the setting be for this requiremen​t