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STEP ET Series Manual

Intelligent flexible driver
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ET/EP/EH Series Intelligent Flexible Driver
Manual
Publishing status: standard
Product version: V2.6
ET/EP/EH Series Intelligent Flexible Driver Manual
The copyright of this inverter instruction manual belongs to
Shanghai STEP Electric Corporation
No part or all of this book (software, etc.) may be copied,
reproduced or distributed in any form (including materials
and publications) by any entity or individual without the
permission of Shanghai STEP Electric Corporation.
All rights reserved. Those responsible for unauthorized
reproduction will be prosecuted. Contents are subject to
change without notice.
All Copyright© reserved by Shanghai Sigriner STEP
Electric Co., Ltd.
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prior notice. No part of this document may in any form or by
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permission from Shanghai Sigriner STEP Electric Co.,Ltd.
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Summary of Contents for STEP ET Series

  • Page 1 All rights reserved. Those responsible for unauthorized reproduction will be prosecuted. Contents are subject to change without notice. All Copyright© reserved by Shanghai Sigriner STEP Electric Co., Ltd. The information in this document is subject to change without prior notice. No part of this document may in any form or by...
  • Page 2 The content of this manual may be supplemented and modified from time to time. Please regularly follow up the website of STP to update the manual. Our company website: www.stepelectric.com. Contact address: For any questions or problems about this manual, please contact STEP at the address on the back cover of this manual.
  • Page 3 STEP, the service is free of charge. Error repair In case of any error, if repair or product replacement is required, STEP can provide on-site service for free. However, the following cases are chargeable services: Error caused by incorrect storage, use or design of the user or its customers.
  • Page 5 ET/EP/EH Series Intelligent Flexible Driver Manual Safety Instructions Product Overview Installation of the inverter Wiring of the inverter Commissioning and trial operation Function parameter table Explanation of parameters Fault checking Care and Maintenance EMC Installation Guide for the Inverter Standards Suitable for the Inverter Modbus Communication Protocol...

  • Page 6: Table Of Contents

    Shanghai STEP Electric Corporation CONTENTS CHAPTER 1 SAFETY INSTRUCTIONS ............... - 1 - ................- 1 - ESCRIPTION OF SAFETY RELATED MARKINGS ........................- 2 - AFETY MATTERS 1.2.1 Purpose ..........................- 2 - 1.2.2 Arrival inspection ......................- 2 - 1.2.3...
  • Page 7 ET/EP/EH Series Intelligent Flexible Driver Manual ....................- 42 - INTERFERENCE MEASURES 4.4.1 Connect a special noise filter on the output side ............- 42 - 4.4.2 Surge suppressor connected to the output side ..............- 43 - 4.4.3 Layout of the main circuit wiring ..................- 43 - 4.4.4 Better anti-interference measures ..................
  • Page 8 Shanghai STEP Electric Corporation P71 Special function ........................- 75 - Group P8X Communication parameters ..................- 76 - Group P80 Communication selection parameters ................- 76 - Group P81 Modbus communication parameters ................- 77 - P82 group (Reserved parameter group) ..................- 77 - Group P9X Error and display parameters ..................- 77 -...
  • Page 9 D.1 I .................- 173 - NTRODUCTION TO ETWORK ETTINGS D.1.1 Introduction to PN communication card of STEP inverter ......... - 173 - D.1.2 Host setting ........................- 173 - D.1.3 Slave setting .........................- 173 - D.1.4 GSD file acquisition ....................- 173 - D.2 P...
  • Page 10 Shanghai STEP Electric Corporation status words: ........................ - 178 - D.2.3.1 Inverter control word ....................- 178 - D.2.3.2 Inverter status word ..................... - 179 - D.3 P ........................- 181 - ROTOCOL SAGE APPENDIX E OPTIONAL EXPANSION CARD ..........- 183 - CUSTOMER COMPLAINT .................

  • Page 11: Chapter 1 Safety Instructions

    ET/EP/EH Series Intelligent Flexible Driver Manual Chapter 1 Safety Instructions This chapter lists the safety instructions and precautions that requires attention during the use of intelligent flexible driver. These instructions are divided into safety instructions for marking instructions, usage, arrival confirmation, transportation and storage, installation, wiring safety instructions, commissioning/operation, troubleshooting, and product end-of-life disposal.

  • Page 12: Safety Matters

    Shanghai Sigriner STEP Electric Co., Ltd. Safety matters 1.2.1 Purpose Danger This series of inverter is used to control the variable speed operation of three-phase motors, and should not be used for single-phase motors or other applications, as this may cause inverter failure or fire.

  • Page 13: Electrical Connection

    ET/EP/EH Series Intelligent Flexible Driver Manual Caution electromagnetic interference. The inverter should be installed on metal or other flame retardant objects, away from flammable objects and heat sources. Beware of fire! Be sure that the inside of the inverter and its heat sink are free of any debris (e.g., wood chips, iron filings, dust, paper).

  • Page 14: Maintenance And Inspection

    Shanghai Sigriner STEP Electric Co., Ltd. run and stop repeatedly until the end of self-learning, so do not touch the motor. Otherwise, there is a risk of injury. Danger Make sure that the front cover is installed before turning on the power. Do not remove the cover when the power is on, otherwise there is a risk of electric shock.

  • Page 15: Scrap

    ET/EP/EH Series Intelligent Flexible Driver Manual Caution There are CMOS large-scale integrated circuits on the circuit board, please do not touch them to prevent electrostatic damage to the circuit board. 1.2.8 Scrap The electrolytic capacitors of the main circuit and the electrolytic capacitors on the printed circuit board may explode when they are burned.

  • Page 16: Precautions

    Shanghai Sigriner STEP Electric Co., Ltd. Precautions 1.3.1 Motor insulation inspection Motor insulation inspection should be carried out when the motor is used for the first time, used again after a long period of time, and regularly inspected to prevent the inverter from being damaged due to insulation failure of the motor winding.

  • Page 17: Lightning Surge Protection

    ET/EP/EH Series Intelligent Flexible Driver Manual necessary, use the appropriate step-up or step-down device to change the voltage. 1.3.6 Lightning surge protection This series of inverter is equipped with lightning overcurrent protection device, which has certain self-protection ability to resist lightning. For places with frequent lightning, customers should also install additional protection at the front of the inverter.

  • Page 19: Chapter 2 Product Overview

    ET/EP/EH Series Intelligent Flexible Driver Manual Chapter 2 Product Overview The ET/EP/EH series intelligent flexible driver is a 400 V level (380 V - 480 V) high-performance vector inverter, applicable to three-phase asynchronous motors, permanent magnet synchronous motors, synchronous reluctance motors, etc. with motor capacity of 1.1-355 kW. The intelligent flexible driver with factory default settings provides an ideal solution for numerous simple motor control applications, and by setting related parameters, it can also be applied to more advanced motor control operations.

  • Page 20: Product Nameplate Description

    Shanghai Sigriner STEP Electric Co., Ltd. 2.1.1 Product nameplate description The nameplate of the inverter records the model number, specification, lot No., etc. of the inverter. Nameplate parameter description: Inverter model Adaptive motor power Input specification Output specification Machine No.
  • Page 21 ET/EP/EH Series Intelligent Flexible Driver Manual Table 2.1 Series of inverter specifications EP6/ET6 series (heavy load) EH6 series (light load) Applica Spec EP6 rated Rated Rated Rated Applic Inverter rated Overload Overloa ifica input output input output able model input motor 150% d 110%...

  • Page 22: Technical Performance And Specifications Of The Inverter

    Shanghai Sigriner STEP Electric Co., Ltd. EP6/ET6 series (heavy load) EH6 series (light load) Applica Spec EP6 rated Rated Rated Rated Applic Inverter rated Overload Overloa ifica input output input output able model input motor 150% d 110% tion current...
  • Page 23 ET/EP/EH Series Intelligent Flexible Driver Manual Regulation fluctuation on output voltage fluctuation (AVR) EH6 series: This series are not equipped with the brake unit. Energy EP6 series: The brake unit is equipped in HD ≤ 30 kW (standard); consumption EH6 series: The built-in brake unit is equipped in HD ≤ 75kW (standard), the braking capacity external brake uint is equipped in HD ...

  • Page 24: Installation Dimensions Of The Inverter

    Shanghai Sigriner STEP Electric Co., Ltd. Installation dimensions of the inverter 2.3.1 Product External Dimensions and Mounting Dimensions 2.3.1.1 Dimensions of Specifications Figure 2-1 Installation Dimensions of F0 - F3 Inverters Figure 2-2 Installation Dimensions of F4 - F5 Inverters...
  • Page 25 ET/EP/EH Series Intelligent Flexible Driver Manual Figure 2-3 Installation Dimensions of F6 - F8 Inverters Fig. 2-4 F9 inverter mounting dimensions - 15 -...
  • Page 26 Shanghai Sigriner STEP Electric Co., Ltd. Fig. 2-5 F10 inverter mounting dimensions Table 2-1 Overall Dimensions of F0 - F10 Overall dimensions Installation spacing Specific Mounting ation screw H*W*D (mm) W1*H1 (mm) 300*130*200 114*288 4-M5 300*130*200 114*288 4-M5 345*150*200 131*332...

  • Page 27: Operator Dimensions

    ET/EP/EH Series Intelligent Flexible Driver Manual 2.3.2 Operator dimensions For the operator dimensions of the inverter, see Figure 2-6. - 17 -...
  • Page 28 Shanghai Sigriner STEP Electric Co., Ltd. 1111111 Two M4*5 Figure 2-7 Operator dimensions of the inverter Install the external access panel using a manual operator, punch holes on the door, and fix the cabinet door. The cabinet door punching dimensions are shown in Figure 2-8: Plate thickness 板...

  • Page 29: Option Of Braking Unit And Braking Resistor

    ET/EP/EH Series Intelligent Flexible Driver Manual of the operator Fix the embedded kit. The dimensions of the cabinet door opening are shown in Figure 2-9: Thickness 1.0 - 2.0 Opening width 90.40 ± 0.2 Diagram of dimensions of the embedded plate installation sheet metal opening Figure 2-9 Diagram of the cabinet door opening dimensions Option of braking unit and braking resistor...
  • Page 30 Shanghai Sigriner STEP Electric Co., Ltd. Braking resistor (10% utilization Braking unit rate) Inverter model Inverter Quanti EP6/ET6 capacity (kW) Quantity Equivalent braking Specification (pcs) Resistor specification (pcs) 4T039 1560W 40Ω 4T045 18.5 4800W 32Ω 4T060 4800W 27.2Ω 4T075 6000W 20Ω...
  • Page 31 ET/EP/EH Series Intelligent Flexible Driver Manual Braking resistor (20% utilization Braking unit rate) Inverter model Inverter Quanti EP6/ET6 capacity (kW) Quantity Equivalent braking Specification (pcs) Resistor specification (pcs) 4T414 BKU-4110 50kW 5Ω 4T477 BKU-4110 50kW 5Ω 4T520 BKU-4220 60kW 4.7Ω 4T605 BKU-4220 80kW 3.5Ω...

  • Page 32: Chapter 3 Installation Of The Inverter

    Shanghai Sigriner STEP Electric Co., Ltd. Chapter 3 Installation of the inverter Installation steps Step 1: Inverter delivery Check and confirm that the catalog number printed on the label is the same as the one on  the purchase order Remove the packaging of the intelligent flexible driver and check for any damage from ...

  • Page 33: Installation Orientation And Spacing Requirements

    ET/EP/EH Series Intelligent Flexible Driver Manual Altitude (m) Figure 3-1 Diagram of the relationship between the inverter rated output current and the altitude 3.2.1.3 Other environmental requirements Avoid installation in a location that may be subjected to severe vibration and impact, and ...
  • Page 34 Shanghai Sigriner STEP Electric Co., Ltd. Figure 3-2 Installation orientation When the user installs the inverter vertically, the angle between the inverter and the horizontal plane can be between 87° and 90°. Details are shown in Figure 3-3: Electric cabinet wall Inverter front 87 °...
  • Page 35 ET/EP/EH Series Intelligent Flexible Driver Manual ≥120mm ≥50mm ≥50mm ≥120mm Figure 3-4 Installation space of the inverter (single unit) Install multiple inverters in parallel When installing other inverters in parallel, please ensure the required space for installing a single inverter. The installation space requirements are shown in Figure 3-5: ≥2mm ≥120mm ≥120mm...
  • Page 36 Shanghai Sigriner STEP Electric Co., Ltd. Figure 3-5 Mode of parallel standard installation for multiple inverters When EP6/EH6 and ET6 are equipped with the built-in C2 filter, a spacing of 50 mm shall be reserved between drivers as heat dissipation space 3.2.2.3...

  • Page 37: If Middle Installation Dimensions Are Required, Please Contact The Technical Team

    ET/EP/EH Series Intelligent Flexible Driver Manual Dimensions of radiator external product and panel processing diagram during installation Panel opening dimensions 面板开孔尺寸 4-d1 threaded hole 4-d1螺纹孔 Overall dimensions Middle installation dimensions Specifica tion H*W*D (mm) 300*130*200 300*130*200 345*150*200 380*190*200 420*205*215 550*233*255 615*300*305 640*335*320 825*400*353...

  • Page 38: Removal And Installation Of Operation Panel And Cover Plate

    Shanghai Sigriner STEP Electric Co., Ltd. Fasteners shall have anti-vibration parts, such as spring washers; the 4 screws of the inverter must be tightened. Removal and installation of operation panel and cover plate 3.3.1 Disassembly and installation of the operator...

  • Page 39: Opening And Closing Of The Wiring Cover

    ET/EP/EH Series Intelligent Flexible Driver Manual 3.3.2 Opening and closing of the wiring cover At main circuit wiring, it requires opening the wiring cover; at the time of dismantling the front panel, it also requires opening the wiring cover. Loosen the anti-off screw at the arrow Pull the cover plate outward in the downward direction to open the cover plate - 29 -...

  • Page 40: Chapter 4 Wiring Of The Inverter

    Shanghai Sigriner STEP Electric Co., Ltd. Chapter 4 Wiring of the inverter This section describes in detail the connection between the inverter and peripheral devices, overview of inverter terminal wiring, wiring of main circuit terminals and control circuit terminals. Before wiring, please make sure that the input power is completely disconnected.

  • Page 41: Connection Between The Inverter And Peripheral Equipment

    ET/EP/EH Series Intelligent Flexible Driver Manual Connection between the inverter and peripheral equipment 4.1.1 Connection diagram of the inverter and peripheral equipment The connection diagram of the inverter and peripheral equipment is shown in Figure 4-1. Fuse Circuit breaker AC reactor Noise filter Filter Input side...

  • Page 42: Connection Of Main Circuit Peripheral Devices

    Shanghai Sigriner STEP Electric Co., Ltd. 4.1.2 Connection of main circuit peripheral devices 4.1.2.1 Input power connection The inverter cannot be operated outside the rated input line voltage range; overvoltage may cause permanent damage to the inverter. Table 4-1 Technical requirements for input power...
  • Page 43 5% for each additional step in area. Table 4-11 lists the cable types for copper-core cables at different load currents. The recommended models are only available for the cases listed in the upper part of the table.
  • Page 44 Shanghai Sigriner STEP Electric Co., Ltd. EN60204-1 and IEC60364-5-2/2001 standards For copper-core cables, see NEC Table 310-16 PVC insulation 90°C cable insulation 30°C ambient temperature 40°C ambient temperature 70°C surface temperature No more than 3 current-carrying wires in the same raceway,...

  • Page 45: Inverter Terminal Wiring

    ET/EP/EH Series Intelligent Flexible Driver Manual It is recommended that users use cables with symmetrical PE conductors that meet CE or C-Tick standards. Grounding The recommended values for the cross-sectional area of the grounding conduits refer to Table 4-13 in Section 4.3.4.1. Inverter terminal wiring The internal view of the inverter is shown in Figure 4-6.

  • Page 46: Inverter Terminal Wiring Diagram

    Shanghai Sigriner STEP Electric Co., Ltd. 4.2.1 Inverter terminal wiring diagram R/L1 U/T1 Three-phase power supply 三相电源 400V class 380~480VAC 400V 级 380~480VAC S/L2 V/T2 W/T3 T/L3 50/60Hz 多功能模拟量输出 0 Multi-functional analog output 0 Programmable multi-functional input signal 可编程多功能输入信号 可编程集电极开路输出 0 Programmable open collector output 可编程集电极开路输出...

  • Page 47: Wiring Of Main Circuit Terminals

    DC voltage at both ends of the charging capacitor with a DC voltmeter to confirm that the voltage value is less than the 24V DC safety voltage before you can proceed to the next step. Wiring of main circuit terminals 4.3.1...

  • Page 48: The Wire Specifications Of Main Circuit Wiring

    Shanghai Sigriner STEP Electric Co., Ltd. Terminal No. Terminal function description Grounding terminal, connected to the protection ground, ground resistance can not be greater than 1Ω at 400V class 4.3.3 The wire specifications of main circuit wiring The conductor uses 600V copper-core plastic insulated wire or similar wires for power supply. Wire specifications and tightening torque are shown in Table 4-11.

  • Page 49: Description On Main Circuit Terminal Wiring

    ET/EP/EH Series Intelligent Flexible Driver Manual Specifications for round crimp Wire cross-sectional area (mm Terminal screw specifications terminals M3.5 1.25/3.5 1.25/4 M3.5 1.25/3.5 0.75 1.25/4 M3.5 1.25/3.5 1.25 1.25/4 M3.5 2/3.5 5.5/4 5.5/5 3.5/5.5 5.5/6 5.5/8 14/6 14/8 22/6 22/8 30/38 38/8 60/8...
  • Page 50 Shanghai Sigriner STEP Electric Co., Ltd. 4.3.4.2 Grounding terminal (PE) The grounding terminal is preferably a special grounding electrode and must be well  grounded with a grounding impedance of 10Ω or less. Do not share the grounding wire with welding machines or other power equipment.
  • Page 51 ET/EP/EH Series Intelligent Flexible Driver Manual Caution Use the inverter-dedicated noise wave filter. 4.3.4.4 External braking resistor terminals (B1, B2) All power models of intelligent flexible drivers have the built-in braking units. In order to  release the energy fed back during motor braking, an external braking resistor must be connected.

  • Page 52: Anti-Interference Measures

    Shanghai Sigriner STEP Electric Co., Ltd. Energy feedback device R/L1 U/T1 V/T2 S/L2 W/T3 T/L3 Figure 4-12 External energy feedback device 4.3.4.7 Inverter output terminals (U/T1, V/T2, W/T3) The inverter output terminals U/T1, V/T2, W/T3 are connected to the motor terminals ...

  • Page 53: Surge Suppressor Connected To The Output Side

    ET/EP/EH Series Intelligent Flexible Driver Manual 电 噪声 变频器 Inverter Noise filter 滤波器 源 Radiation 辐射干扰 interference Control 控制设备 收音机 Receiver equipment Figure 4-14 Wiring of the noise filter on the output side of the inverter 4.4.2 Surge suppressor connected to the output side When the inverter is connected to an inductive load device (electromagnetic contactor, relay, solenoid valve, etc.), be sure to use a surge suppressor on the coil of that load device, as shown in Figure 4-15:...

  • Page 54: Better Anti-Interference Measures

    Shanghai Sigriner STEP Electric Co., Ltd. 金属管 Metal tube 电 变频器 Inverter 源 距离30cm以上 Separated over 30cm Signal cable 信号线 Control 控制设备 equipment Figure 4-17 Layout of main circuit wiring 2 Generally, the control cable must be shielded and the shielded wire mesh must be connected to the metal chassis of the inverter through the cable clips at both ends.

  • Page 55: Control Circuit Terminal Markings

    ET/EP/EH Series Intelligent Flexible Driver Manual Running indicator Ready Indicator Fault Indicator Control Terminal circuit resistance terminal M0 output analog signal type switching Figure 4-21 Control circuit terminals A0/A1 can both input analog voltage signals (0V - +10 V) or analog current signals (0 - 20 mA). The input mode is modified by the corresponding software parameters of each port, with (0-10 V) voltage signals by default.

  • Page 56: Functional Descriptions Of Control Circuit Terminals

    Shanghai Sigriner STEP Electric Co., Ltd. 4.5.3 Functional descriptions of control circuit terminals The functional descriptions of control circuit terminals are shown in Table 4-15. Table 4-15 Functional descriptions of control circuit terminals Terminal Name Signal name Remarks Multi-function input 0...

  • Page 57: Wire Specifications For Control Circuit Wiring

    ET/EP/EH Series Intelligent Flexible Driver Manual Terminal Name Signal name Remarks Over temperatu Matching temperature sensor model: PT1000 P1, P2 PTC function connection port protectio Over-temperature protection point: 120°C terminal 24 V Auxiliary 24 V power input Connect to external power supply to make the inverter control auxiliary system work;...

  • Page 58: Detailed Description Of Control Circuit Terminal Wiring

    Shanghai Sigriner STEP Electric Co., Ltd. Wire cross-sectional area d1(mm) d2(mm) L(mm) Diagram (AWG) 1.0(18) 16.4 4.5.5 Detailed description of control circuit terminal wiring 4.5.5.1 Switching input terminals Each multi-functional switching input terminal can define its input function by setting the parameters of function code group P30.
  • Page 59 ET/EP/EH Series Intelligent Flexible Driver Manual User controller Intelligent flexible driver universal inverter Figure 4-26 Mode of PNP-type source current wiring Note: Be sure to remove the shorting piece between +24V and XV terminals, and short XC and XV terminals Using external power supply wiring method, the external controller is wired as NPN type ...
  • Page 60 Shanghai Sigriner STEP Electric Co., Ltd. Intelligent flexible driver universal inverter User controller Figure 4-28 Mode of PNP-type source current wiring Note: Be sure to remove the shorting piece between +24V and XV terminals 4.5.5.2 Analog input terminal This inverter has two analog input ports A0 and A1, and the signal type is voltage/current; the range of voltage signal is 0V~+10V, and the range of current signal is 0~20mA.

  • Page 61: 4.5.5.4 Multifunctional Analog Output Terminal

    ET/EP/EH Series Intelligent Flexible Driver Manual Figure 4-30 Analog voltage signal wiring Figure 4-31 Analog current signal wiring 4.5.5.3 On-off output terminal The switching output terminals have two parts: relay contact output terminal and open-collector output terminal. The function of each switching output terminal can be defined by the parameter of function code group P31.

  • Page 62: Other Notes On Wiring

    Shanghai Sigriner STEP Electric Co., Ltd. 5: Total output power 6: Output active power 7: Speed (unsigned) 8: Speed setting (signed) 9: Speed feedback (signed) 10: Acceleration rate 11: Heat sink temperature 12: Analog quantity A0 13: Analog quantity A1...

  • Page 63: Chapter 5 Commissioning And Trial Operation

    ET/EP/EH Series Intelligent Flexible Driver Manual Chapter 5 Commissioning and trial operation Terms related to the control, operation and status of the inverter will be mentioned several times in the following chapters. Please read this chapter carefully before using the product in order to properly understand and use the functions mentioned in the subsequent chapters.

  • Page 64: Inverter Operating Status

    Shanghai Sigriner STEP Electric Co., Ltd. Operation panel ▲, ▼ setting; Terminal setting; Communication setting; Analog voltage and current setting. 5.1.3 Inverter operating status The working status is divided into shutdown status and running status. Stop state: After the power-on initialization of the inverter, if there is no operation command input, or after the execution of the shutdown command during operation, the inverter will enter the shutdown state.

  • Page 65: Introduction To The Functions Of Various Parts Of The Operator

    ET/EP/EH Series Intelligent Flexible Driver Manual 5.2.1 Introduction to the functions of various parts of the operator For the names and functions of various part of the operator, see Figure 5-1. LCD screen Left function key Right function key Local/remote Exit key Function key Enter key...

  • Page 66: Display After Power-On

    Shanghai Sigriner STEP Electric Co., Ltd. Description: enter the monitoring state after displaying the software version number. 5.3.2 Display after power-on The "Monitoring Status" interface is displayed after power on for 2 seconds. This interface displays by default the current recorded target speed, preset speed, feedback speed, and output current.

  • Page 67: Operation Status Of The Operator

    ET/EP/EH Series Intelligent Flexible Driver Manual 5.3.5 Operation status of the operator There are seven operating statues for the operator. These seven statues are [Monitoring Settings], [Debugging Wizard], [Parameter Group], [Parameter Processing], [Fault Record], [Self Learning], and [System Settings] respectively. In any monitoring status interface, pressing can enter the function selection interface 5.3.5.1...
  • Page 68 Shanghai Sigriner STEP Electric Co., Ltd. 5.3.5.5 [Fault Record] status details In the [Fault Record] status, you can view the contents of the recent 8 faults as well as the voltage, current, preset speed, feedback speed status, U, V, W three-phase current instantaneous value and fault occurrence time recorded at the time of fault occurrence.

  • Page 69: Fault Display

    ET/EP/EH Series Intelligent Flexible Driver Manual 5.3.5.8 [System Settings] status details In the [System Settings] status, there are functions for setting date/time, program upgrade, and waveform acquisition. In which, program upgrade can be performed via the operator to upgrade the main control and IO board program;...

  • Page 71: Chapter 6 Function Parameter Table

    ET/EP/EH Series Intelligent Flexible Driver Manual Chapter 6 Function parameter table Description on function code parameter table Short form fields Summary Fields Function code No. The number of function code, e.g. P00.00 Function code The name of the function code, explaining the code's function name Factory default The set value after the function code restores the factory value (see P00.01)
  • Page 72 Shanghai Sigriner STEP Electric Co., Ltd. Function Factory Setting Attrib Function code name Unit Option description code default range 1: Digital multi-segment speed preset 3: Analog 0 set target speed 4: Analog 0 set current speed 5: Analog 1 set target speed...
  • Page 73 ET/EP/EH Series Intelligent Flexible Driver Manual Function Factory Setting Attrib Function code name Unit Option description code default range P11.07 Brake actuation time 0.20 0.00~100.00 × P11.08 Tracking delay time 0~65000 × P11.10 Tracking voltage Kp 0.20 0.00~100.00 × P11.11 Tracking voltage Ki 0.50 0.00~100.00...

  • Page 74: Group P15 Svc Control Parameters

    Shanghai Sigriner STEP Electric Co., Ltd. Function Factory Attrib Function code name Setting range Unit Option description code default line; 1: 1.2 power curve 2: 1.5 power curve 3: 2 power curve 4: User-defined 5: Standby P14.01 V/F voltage value V0 1~460 ×...

  • Page 75: P16 Group Weak Magnetism Parameters

    ET/EP/EH Series Intelligent Flexible Driver Manual Function Factory Attrib Function code name Setting range Unit Option description code default P15.13 0~2000 × P15.14 0~2000 × P15.15 0~2000 × P15.16 0~2000 × P16 group Weak magnetism parameters Function Factory Attrib Function code name Setting range Unit Option description...
  • Page 76 Shanghai Sigriner STEP Electric Co., Ltd. Function Factory Setting Attrib Function code name Unit Option description code default range motor 1 number of poles / 2 Motor 1 rated slip P20.07 1.40 0.10~50.00 × Set by motor nameplate frequency Motor 1 maximum slip P20.08...

  • Page 77: P22 Auxiliary Motor Parameter

    ET/EP/EH Series Intelligent Flexible Driver Manual Function Factory Setting Attrib Function code name Unit Option description code default range resistance Motor 1 stator 0.0000~6.50 P21.03 0.1028 × inductance Motor 1 rotor 0.0000~6.50 P21.04 0.1028 × inductance Motor 1 mutual 0.0000~6.50 P21.05 0.0991 ×...

  • Page 78: P23 Protection Parameter

    Shanghai Sigriner STEP Electric Co., Ltd. Function Factory Setting Attrib Function code name Unit Option description code default range Rezav encoder 1 pole P22.08 2~128 × count 0: Incremental; 1: SinCos; 2: P22.09 Encoder 2 type × spare; 3: Rezav P22.10...

  • Page 79: P32 Group Analog Input

    ET/EP/EH Series Intelligent Flexible Driver Manual Function Factory Function code name Setting range Unit Attribute Option description code default definition Output Y1 function P31.03 0~199 × definition P31.06 Output K1 action delay 0.0~120.0 × P31.07 Output K1 reset delay 0.0~120.0 ×...

  • Page 80: P33 Analog Output Parameters

    Shanghai Sigriner STEP Electric Co., Ltd. Function Function code Factory Attrib Setting range Unit Option description code name default 3: 4~20mA P32.07 Input AI1 function × Analog quantity P32.08 0.00 -100.00~327.67 × AI1 lower limit Analog quantity P32.09 100.0 0.0~6553.5 ×...

  • Page 81: P41 Digital Multi-Segment Speed

    ET/EP/EH Series Intelligent Flexible Driver Manual Function Function code Factory Attribut Setting range Unit Option description code name default P40.05 Deceleration time 1 5.00 0.0~500.00 × P40.06 Acceleration time 2 5.00 0.0~500.00 × P40.07 Deceleration time 2 5.00 0.0~500.00 × P40.08 Acceleration time 3 5.00...

  • Page 82: P50 Main And Auxiliary Preset

    Shanghai Sigriner STEP Electric Co., Ltd. Function Factory Attribu Function code name Setting range Unit Option description code default Digital multi-segment P41.15 0.00 0.0~655.35 × speed f15 P41.16 Point frequency setting 5.00 0.0~655.35 × P5X group Process control P50 main and auxiliary preset...

  • Page 83: P6X Group Vector Control Parameter

    ET/EP/EH Series Intelligent Flexible Driver Manual Function Factory Attribu Function code name Setting range Unit Option description code default Closed loop output P51.23 0.010 0.000~65.535 × filtering time Minimum preset P51.24 0.00 0.00~10.00 × quantity P51.25 RefMin-->FdbMin 0.00 0.00~10.00 × Maximum preset P51.26 10.00...

  • Page 84: P62 Group Torque Control

    Shanghai Sigriner STEP Electric Co., Ltd. P62 group Torque control Function Factory Setting Attrib Function code name Unit Option description code default range P62.00 Digital torque preset 0.0~400.0 × P62.01 Torque direction × P62.02 Torque increase time 1.00 0.01~655.35 ×...

  • Page 85: P71 Special Function

    ET/EP/EH Series Intelligent Flexible Driver Manual Function Factory Setting Attrib Function code name Unit Option description code default range 0.000~6.553 P70.25 Current limiting KP 0.0001 × Current limiting P70.26 0.005 0.000~1.000 × OutMin Current limiting P70.27 0~65535 × recovery threshold Power grid overvoltage P70.28 0~530...

  • Page 86: Group P8X Communication Parameters

    Shanghai Sigriner STEP Electric Co., Ltd. Function Factory Setting Attrib Function code name Unit Option description code default range Both upper/lower overflow update Note: Carrier frequency below 4K can be set to 1 Vector control P71.30 0~65535 × compensation Inertia compensation P71.31...

  • Page 87: Group P81 Modbus Communication Parameters

    ET/EP/EH Series Intelligent Flexible Driver Manual Group P81 Modbus communication parameters Function Factory Setting Attrib Function code name Unit Option description code default range 0:1200 bps 1:2400 bps 2:4800 bps 3:9600 bps P81.00 Baud rate × 4:19200 bps 5:38400 bps 6:57600 bps 7:76800 bps 0: 1-8-1 format, no parity...

  • Page 88: Group P93 Operation Record Parameters

    Shanghai Sigriner STEP Electric Co., Ltd. P92.00 Reserved area 0~63 × Standby Group P93 Operation record parameters Function Factory Setting Attrib Function code name Unit Option description code default range Accumulated power-on P93.00 0~65535 time Accumulated running P93.01 0~65535 time P93.02...

  • Page 89: P95 Group Version

    ET/EP/EH Series Intelligent Flexible Driver Manual Function Factory Setting Attrib Function code name Unit Option description code default range disconnection value P94.15 Speed deviation 0.0~655.35 × 0: No processing P94.16 Analog troubleshooting × 1: Protection shutdown Communication 0: No processing; 1: Protection P94.18 ×...
  • Page 90 Shanghai Sigriner STEP Electric Co., Ltd. Function Factory Setting Attrib Function code name Unit Option description code default range Built-in brake unit P96.07 0~9999 0~9999 current power Three-phase current P96.08 1.000 0.900~1.200 balance coefficient P96.09 Rated current (480 V) power Light load current (480 P96.10...

  • Page 91: Chapter 7 Explanation Of Parameters

    ET/EP/EH Series Intelligent Flexible Driver Manual Chapter 7 Explanation of parameters Parameter group classification and format 7.1.1 Parameter group format 7.1.2 Parameter group region division Domain group Function code area Function code description number P0X function specific P00 group Password parameter group P10 group Basic control parameter group P11 group...

  • Page 92: P00 Group Basic Function Parameters

    Shanghai Sigriner STEP Electric Co., Ltd. Domain group Function code area Function code description number P96 group Inverter information Group P0X User parameters group 7.2.1 P00 Group Basic function parameters Function code Name Setting range Factory setting Login password 0~65535 P00.00...
  • Page 93 ET/EP/EH Series Intelligent Flexible Driver Manual 3: PG vector control, supporting ABZ encoder, SINCOS encoder, and Rezav encoder 5: No PG torque control, supporting synchronous motors and asynchronous motors. 6: Voltage and current sources, adapting to special applications, such as fire pump, current source, voltage source, etc.
  • Page 94 Shanghai Sigriner STEP Electric Co., Ltd. Figure 7-3 Three-wire Running Mode 1 3: 3-wire type 2 Inverter 变频器 X0(P30.00=7) X1(P30.01=8) Rotating direction 运转方向选择 option Forward rotation 正转 Reverse rotation 反转 Figure 7-4 Three-wire Running Mode 2 The Xi (i=2 - 7) terminal is set to "9: three-wire run control".

  • Page 95: Group P11 Start-Up Parameters

    ET/EP/EH Series Intelligent Flexible Driver Manual 4：A0 analog current speed preset 5：A1 analog target speed preset 6：A1 analog current speed preset The target velocity can be set through the analog input port, and at this time, the output frequency is calculated according to the acceleration and deceleration time of group P40, and the current velocity can also be set;...
  • Page 96 Shanghai Sigriner STEP Electric Co., Ltd. P11.03 and P11.04. After the DC injection time, the running starts from the starting frequency P11.01 and accelerates to the set frequency after the holding time P11.02. Frequency Hz 频率 Hz Forward 正转 rotation P11.01...
  • Page 97 ET/EP/EH Series Intelligent Flexible Driver Manual Frequency Hz 频率 Hz fmax P11.01 P11.02 时间 s Time Figure 7-8 Diagram of Starting Frequency and Starting Time The inverter starts running from the starting frequency P11.01, and accelerates according to the set acceleration time after the starting frequency holding time P11.02.
  • Page 98 Shanghai Sigriner STEP Electric Co., Ltd. purpose of achieving quick response at motor starting. When there is a run command, users can enter the pre-excitation state according to the time set by this function code; establish the magnetic flux, and then enter the normal acceleration running. If this function code is set to 0, it will indicate that there is no pre-excitation process.

  • Page 99: P12 Group Stop Parameters

    ET/EP/EH Series Intelligent Flexible Driver Manual Function code Name Setting range Factory setting Tracking voltage Kd 0.0~100.0 P11.12 Kd during tracking process. If the value is too small, the suppression of overshoot current will be not obvious in the tracking process; if it is too large, an overcurrent will be observed during the tracking. Function code Name Setting range...
  • Page 100 Shanghai Sigriner STEP Electric Co., Ltd. the DC braking time will be determined by P12.05; 3: Deceleration parking to the lower limit frequency, then inertia parking; Function code Name Setting range Factory setting Stopping holding frequency P12.01 0.00~100.0 0.00 (Hz) Stopping frequency holding P12.02...

  • Page 101: P13 Group Braking Function

    ET/EP/EH Series Intelligent Flexible Driver Manual Output 输出频率 frequency P12.03 Time 时间 Output voltage 输出电压 P12.04 P12.05 Time 时间 Running 运行命令 command Figure 7-12 Schematic Diagram of Stopping DC Braking 7.3.4 P13 group Braking function Function code Name Setting range Factory setting Energy consumption braking P13.00...
  • Page 102 Shanghai Sigriner STEP Electric Co., Ltd. Function code Name Setting range Factory setting P14.09 V/F voltage V4 (V) 1~460 P14.10 V/F frequency F4 (Hz) 0.00~300.00 50.00 The P14.00 parameter is used to determine the different V/F curves in the voltage vector V/F control running mode (P10.00 = 0).

  • Page 103: P15 Group Svc Parameter

    ET/EP/EH Series Intelligent Flexible Driver Manual inspection. The motor is normally synchronous motor. During each patrol inspection, let the motor run with no load for some time to ensure it functions normally. 7.3.6 P15 group SVC parameter Function code Name Setting range Factory setting Initial magnetic pole...

  • Page 104: P16 Group Weak Magnetism Parameters

    Shanghai Sigriner STEP Electric Co., Ltd. P15.08 Imin of MTPA(%) 0~100 MTPA minimum control current Function code Name Setting range Factory setting PM low speed compensation P15.09 0~200 coefficient 1 (%) Observer bandwidth parameter, used to control the observer convergence speed.
  • Page 105 ET/EP/EH Series Intelligent Flexible Driver Manual P17.00 DC injection current (%) 0.1~200.00 30.00 Starting injection DC size. Use injecting DC current during start-up as start torque. If current has oscillation during start-up, you can increase the size of current injection appropriately. P17.01 DC injection slope (s) 0.00~655.35...

  • Page 106: Group P2X Motor Parameters

    GVC debugging steps: First step: If used for the first time, please reset inverter’s parameter. The default is GVC (P10.00=0), then set motor nameplate parameter to group P20. Second step: During the occasion of heavy load start up, set the self-learning to the stator resistance;...
  • Page 107 ET/EP/EH Series Intelligent Flexible Driver Manual Function code Name Setting range Factory setting P20.05 Rated voltage of motor 1 (V) 0~690 P20.06 Number of poles of motor 1 2~128 Rated slip frequency of motor 1 P20.07 0.10~50.00 (Hz) P20.00 Motor type:0: asynchronous motor. P20.01 - P20.07 and P20.11 are used to set the parameters of the motor driven by the inverter, which need to be set correctly according to the motor nameplate before use.

  • Page 108: P21 Group Advanced Parameters

    Shanghai Sigriner STEP Electric Co., Ltd. P20.23 Phase sequence of motor 2 No-load current coefficient of P20.24 1.00~100.00 30.00 motor 2 (%) Descriptions of the parameters P20.14 - P20.26 of motor 2 are the same as that of motor 1.

  • Page 109: P22 Group Auxiliary Parameters

    ET/EP/EH Series Intelligent Flexible Driver Manual Function code Name Setting range Factory setting P21.06 Stator resistance of motor 2 (Ω) 0.000~65.000 0.100 P21.07 Rotor resistance of motor 2 (Ω) 0.000~65.000 P21.08 Stator inductance of motor 2 (H) 0.0000~6.5000 P21.09 Rotor inductance of motor 2 (H) 0.0000~6.5000 P21.10 Mutual inductance (H)

  • Page 110: P23 Group Protection Parameter

    Shanghai Sigriner STEP Electric Co., Ltd. P22.03 setting division coefficient, 0 - 7 corresponds to 1 - 128 divisions. When P22.05 encoder feedback filtering time is at P10.00=3, the default is 0, and the default for other control modes is 10 ms, which all can be modified.

  • Page 111: P3X Group Terminal Function

    ET/EP/EH Series Intelligent Flexible Driver Manual P3X group Terminal function 7.5.1 P30 group Digital input Function code Name Setting range Factory setting P30.00 X0 terminal input functions 0~199 P30.01 X1 terminal input functions 0~199 P30.02 X2 terminal input functions 0~199 P30.03 X3 terminal input functions 0~199...
  • Page 112 Shanghai Sigriner STEP Electric Co., Ltd. Function definition Function definition PID main preset switching to RJOG command analog A1 PID auxiliary preset switching Velocity channel switching to analog A1 Control mode switching 0 PID pause (Standby) Control mode switching 1...
  • Page 113 ET/EP/EH Series Intelligent Flexible Driver Manual 18: Base blocking If this function terminal is valid, it will disable the inverter output. 19: Light load switch input (spare) 20: Heavy load switch input (spare) Both of these functions are used in the elevator industry. Compared with the counterweight, if the actual load is lower than the counterweight, it is light load;...
  • Page 114 Shanghai Sigriner STEP Electric Co., Ltd. In the case of multi-speed operation, when this signal is valid, the target frequency will be switched to the jogging frequency. 41: Command switching to operation panel In stop state, when this signal is valid, the command will be controlled by the panel reference.

  • Page 115: P31 Group Digital Input

    ET/EP/EH Series Intelligent Flexible Driver Manual 7.5.2 P31 group Digital input Function code Name Setting range Factory setting P31.00 Output K1 function definition 0~199 P31.01 Output K2 function definition 0~199 P31.02 Output Y0 function definition 0~199 P31.03 Output Y1 function definition 0~199 Y0 - Y1 terminal outputs can be defined as multi-functional switching outputs or as high-speed pulse outputs (function 19, 20), and K1 –...
  • Page 116 Shanghai Sigriner STEP Electric Co., Ltd. 2: When the inverter is in a fault shutdown state, the corresponding output point is connected, otherwise it will be disconnected; 102: When the inverter is in a fault shutdown state, the corresponding output point is disconnected, otherwise it will be connected.
  • Page 117 ET/EP/EH Series Intelligent Flexible Driver Manual 12: When the fault is predicted, the corresponding output point is connected, otherwise it will be disconnected; 112: When the fault is predicted, the corresponding output point is disconnected, otherwise it will be connected. 13 or 113: Spare 14 or 114: Zero servo torque direction judgment (used at motor power outage emergency leveling, spare)
  • Page 118 Shanghai Sigriner STEP Electric Co., Ltd. connected, otherwise it is disconnected. 28: Output X1 The level state of the input terminal X1 is output through the output terminal. 29: Output X2 The level state of the input terminal X2 is output through the output terminal.
  • Page 119 ET/EP/EH Series Intelligent Flexible Driver Manual The running frequency is between P31.28~P31.29. Function code Name Setting range Factory setting P31.06 Output K1 action delay (s) 0.0~120.0 P31.07 Output K1 reset delay (s) 0.0~120.0 P31.08 Output K2 action delay (s) 0.0~120.0 P31.09 Output K2 reset delay (s) 0.0~120.0...
  • Page 120 Shanghai Sigriner STEP Electric Co., Ltd. Figure 7-16 Frequency consistency detection 1 P31.22 and P31.23 are used for two parameters detected at any frequency: any frequency detection width and any frequency detection width. Combination of these two parameters is used for three functions: frequency/speed consistency, frequency detection 1, and frequency detection 2.
  • Page 121 ET/EP/EH Series Intelligent Flexible Driver Manual Set output terminal function to "10: speed detection 1", as shown in the following figure. Figure 7-18 Speed detection 1 Set output terminal function to "11: speed detection 2", as shown in the following figure. Figure 7-19 Speed detection 2 Function code Name...

  • Page 122: P32 Group Analog Input

    Shanghai Sigriner STEP Electric Co., Ltd. Function code Name Setting range Factory setting Detection frequency 3 upper P31.26 0~655.35 50.00 limit Detection frequency 3 lower P31.27 0~655.35 45.00 limit Detection frequency 4 upper P31.28 0~655.35 100.00 limit Detection frequency 4 lower P31.29...

  • Page 123: P33 Group Analog Output Parameters

    ET/EP/EH Series Intelligent Flexible Driver Manual The limiting is only to limit the final processed signal of the analog input to a certain control range, and the limit of current type is required to be modified to 20.000 mA. Actual input=analog input × (input upper limit - input lower limit) + input lower limit 7.5.4 P33 Group Analog Output Parameters Function code...

  • Page 124: P4X Group Velocity Parameter Group

    Shanghai Sigriner STEP Electric Co., Ltd. then the actual output voltage is 0 V at 0 Hz and 5 V at 2Ie. Function code Name Setting range Factory setting P33.06 Output M0 type Parameters P33.06 are used to select the analog output type: 0: No selection;...

  • Page 125: P41 Group Digital Multi-Speed Parameters Group

    ET/EP/EH Series Intelligent Flexible Driver Manual Function code Name Setting range Factory setting P40.10 Acceleration rounded corner 0(s) 0.00~10.00 0.00 P40.11 Acceleration rounded corner 1(s) 0.00~10.00 0.00 P40.12 Deceleration rounded corner 2(s) 0.00~10.00 0.00 P40.13 Deceleration rounded corner 3(s) 0.00~10.00 0.00 P40.14 Top arc rounding suppression...
  • Page 126 Shanghai Sigriner STEP Electric Co., Ltd. Function code Name Setting range Factory setting P41.09 Digital multi-speed setting 9 (Hz) 0.00~655.35 0.00 Digital multi-speed setting 10 P41.10 0.00~655.35 0.00 (Hz) Digital multi-speed setting 11 P41.11 0.00~655.35 0.00 (Hz) Digital multi-speed setting 12 P41.12...

  • Page 127: P5X Group Process Control

    ET/EP/EH Series Intelligent Flexible Driver Manual Multi-segm ent speed Multi-speed Multi-speed Multi-speed Multi-speed Reference Combinati setting 3 setting 2 setting 1 setting 0 frequency on code Reference velocity 13 Reference velocity 14 Reference velocity 15 In the above table, the status "0" means that there is no input signal at the input port, and the status "1"...
  • Page 128 Shanghai Sigriner STEP Electric Co., Ltd. Figure 7-22 Schematic Diagram of Open Loop Main and Auxiliary Reference Synthesis , generating process open-loop synthesis frequency preset f In the process open-loop control mode, an auxiliary preset value f overlays on the main preset value...

  • Page 129: P51 Group Process Pid

    ET/EP/EH Series Intelligent Flexible Driver Manual Figure 7-24 Open Loop Main and Auxiliary Reference Operation 1 Process open loop synthetic reference f = main reference f - auxiliary reference f 5:Take the maximum value Take the maximum value of the main reference f and auxiliary reference f Figure 7-25 Open Loop Main and Auxiliary Reference Operation 4...
  • Page 130 Shanghai Sigriner STEP Electric Co., Ltd. Figure 7-27 PID principle block diagram Function code Name Setting range Factory setting P51.00 Closed loop control option Closed loop running control options: 0: invalid; 1: valid Function code Name Setting range Factory setting P51.01...
  • Page 131 ET/EP/EH Series Intelligent Flexible Driver Manual In a closed loop system with feedback, the main and auxiliary feedback can be analog or pulse. The process closed loop feedback main and auxiliary operation function is the same as that of the process closed loop reference and the process open loop reference.
  • Page 132 Shanghai Sigriner STEP Electric Co., Ltd. Function code Name Setting range Factory setting Upper limit of integration effect P51.13 0.0~6553.5 100.00 Closed-loop input upper limit P51.14 0.0~6553.5 50.0 value (%) Closed-loop input lower limit P51.15 0.0~6553.5 value (%) Upper limit of closed loop output P51.16...

  • Page 133: P6X Group Vector Control

    ET/EP/EH Series Intelligent Flexible Driver Manual Figure 7-28 Feedback positive regulation Figure 7-29 Feedback negative regulation Function code Name Setting range Factory setting P51.28 Preset frequency (Hz) 0.00~655.35 22.0 P51.29 Preset frequency holding time (s) 0~65535 After the start of closed loop operation, according to the acceleration time, the frequency is first accelerated to the closed loop preset frequency P51.28, and continues to operate at this frequency for a period of time P51.29 before operating according to the closed loop characteristics.
  • Page 134 Shanghai Sigriner STEP Electric Co., Ltd. Function code Name Setting range Factory setting P60.01 Speed loop – zero speed Ti (ms) 0~65535 P60.03 Speed loop - low speed P 0.00~655.35 5.00 P60.04 Speed loop - low speed Ti (ms) 0~65535 P60.06...

  • Page 135: P61 Group Current Loop Pid

    ET/EP/EH Series Intelligent Flexible Driver Manual Feedback curve I is large Reference curve Figure 7-31 Effect of integration constant I on feedback tracking Function code Name Setting range Factory setting P60.11 Speed loop period 0~50 The default is 0, generally not modified. The greater the value, the slower the speed loop execution period.

  • Page 136: P7X Group Enhanced Control

    Shanghai Sigriner STEP Electric Co., Ltd. direction can be set, 0 indicates forward direction and 1 indicates reverse direction; by setting P62.02 and P62.03, torque acceleration and deceleration rate can be set. Function code Name Setting range Factory setting P63.00 Compensating torque direction P63.01...
  • Page 137 ET/EP/EH Series Intelligent Flexible Driver Manual Function code Name Setting range Factory setting threshold (V) Overspeed protection coefficient P70.07 0.00~655.35 120.00 P70.04 - P70.06 set thresholds for over-current and over-voltage of the inverter. Under normal circumstances, when the set velocity or motor load changes sharply, the output current of the inverter may reach above the overcurrent protection point, resulting in an overcurrent failure.
  • Page 138 Shanghai Sigriner STEP Electric Co., Ltd. Function code Name Setting range Factory setting P70.19 Bus undervoltage threshold (V) 0~540 The default bus undervoltage threshold for 400V class inverter is 380V. Function code Name Setting range Factory setting Power grid imbalance threshold P70.20...

  • Page 139: P71 Group Special Functions

    ET/EP/EH Series Intelligent Flexible Driver Manual quarter cycle of P70.33 and step length of P70.31, restore normal speed. 7.9.2 P71 group Special functions Function code Name Setting range Factory setting Frequency hopping velocity 1 P71.00 0.00~655.35 0.00 (Hz) Frequency hopping velocity 2 P71.01...
  • Page 140 Shanghai Sigriner STEP Electric Co., Ltd. Figure 7-34 Dead Time of Forward and Reverse Rotation P71.07 function sets the PWM modulation mode. 0: 5-segment; 1: 7-segment; 2: < 30% rpm 7-segment, > 30% 5-segment; 3: SPWM mode. Function code Name...
  • Page 141 ET/EP/EH Series Intelligent Flexible Driver Manual Function code Name Setting range Factory setting P71.30 Vector control compensation 0~65535 Inertia compensation coefficient P71.31 0.0~6553.5 Inertia compensation filtering P71.32 0~1000 time (ms) The above parameters are used to compensate for the acceleration and deceleration performance of large inertia systems.
  • Page 142 Shanghai Sigriner STEP Electric Co., Ltd. Function code Name Setting range Factory setting P71.58 Fan control 0: Inverter runs and fan runs; inverter stops and fan stops with a delay of 1 minute; 1: Inverter runs and fan runs; inverter stops and fan stops with a delay of 5 minutes;...

  • Page 143: 7.10 P8X Group Communication Control

    ET/EP/EH Series Intelligent Flexible Driver Manual Function code Name Setting range Factory setting Deceleration inertia coefficient P71.70 0~200 The percentage relative to the P71.31 is used to adjust the inertia compensation size of the deceleration section. 7.10 P8X group Communication control 7.10.1 P80X group Communication mode Function code Name...

  • Page 144: P82 Group (Reserved Parameter Group)

    Shanghai Sigriner STEP Electric Co., Ltd. P81.04 sets local address; 0 is broadcast address; available addresses are 1 - 247; 248 - 255 are reserved. Function code Name Setting range Factory setting P81.07 Communication address formats Select the communication address format, 0: Hexadecimal; 1: Decimal.

  • Page 145: 7.11 P9X Group Fault And Display Parameter Group

    ET/EP/EH Series Intelligent Flexible Driver Manual 7.11 P9X Group Fault and Display Parameter Group 7.11.1 P90 group (Reserved parameter group) 7.11.2 P91 group LCD display Function code Name Setting range Factory setting P91.00 U01 display data 0~63 P91.01 U02 display data 0~63 P91.02 U03 display data...

  • Page 146: 7.11.3 Group P93 Operation Record Parameters

    Shanghai Sigriner STEP Electric Co., Ltd. Function Function Meaning Meaning settings settings PID reference value PID feedback value Encoder speed (Hz) 7.11.3 Group P93 Operation record parameters Function code Name Setting range Factory setting P93.00 Accumulated power on time (h) 0.000~65.535...
  • Page 147 ET/EP/EH Series Intelligent Flexible Driver Manual 0: No fault relay output when a light fault is observed; 1: Output the fault relay when a light fault is observed; 2: When 52# PTC fault occurs, output fault relay and shut down, and the fault does not automatically reset;...

  • Page 148: 7.11.5 P95 Group Version

    Shanghai Sigriner STEP Electric Co., Ltd. t protection option: 0: I t protection works; 1: Protection faults only with 45# or 46 #, for frequent start and stop applications; 2: Protection faults only with 21# or 27#, for continuous overload applications;...

  • Page 149: 7.11.6 P96 Group Inverter Information

    ET/EP/EH Series Intelligent Flexible Driver Manual Function code Name Setting range Factory setting P95.02 Version number 6.04 P95.03 Drive board software version The P95 group mainly displays the software and hardware version parameters of the inverter, which are generally set directly by the manufacturer. 7.11.6 P96 group Inverter information Function code Name...

  • Page 151: Chapter 8 Fault Checking

    ET/EP/EH Series Intelligent Flexible Driver Manual Chapter 8 Fault checking This chapter gives a detailed description of the inverter fault, fault code, content, causes and countermeasures, and gives an analysis process of various failures during motor debugging and operation. Danger Maintenance operation should be carried out after the input power supply is ◎...
  • Page 152 Shanghai Sigriner STEP Electric Co., Ltd. Error Fault display Possible causes Countermeasures code check the capacity of the inverter according to this performance Check whether the power cord of the fan is Damage to the cooling fan connected properly, or replace the fan with...
  • Page 153 ET/EP/EH Series Intelligent Flexible Driver Manual Error Fault display Possible causes Countermeasures code inverter Check whether the motor wiring is intact Output three-phase Disconnect the power and check whether imbalance the terminal characteristics are consistent at the inverter output side and DC side Overspeed in Encoder parameter setting Check encoder circuit...
  • Page 154 Shanghai Sigriner STEP Electric Co., Ltd. Error Fault display Possible causes Countermeasures code protection To replace the motor, the ground insulation Motor abnormality shall be tested first The earth-leakage current Request for maintenance of professional is too large on the output and technical personnel.
  • Page 155 ET/EP/EH Series Intelligent Flexible Driver Manual Error Fault display Possible causes Countermeasures code power grid voltage Abnormal circuit sampling imbalance Abnormal drive board sampling circuit Fault of power grid Abnormal input wiring Adjust the input wiring order phase sequence Fault of Power grid voltage below The network voltage is too low power grid...

  • Page 156: Fault Diagnosis Process

    Shanghai Sigriner STEP Electric Co., Ltd. Fault diagnosis process When the system is started, the inverter and motor may sometimes run out of the set due to the error of parameter setting and wiring. In this case, please refer to the fault diagnosis process introduced in this section for analysis and handling.
  • Page 157 ET/EP/EH Series Intelligent Flexible Driver Manual Motor runs without velocity change:  - 147 -...

  • Page 159: Chapter 9 Care And Maintenance

    ET/EP/EH Series Intelligent Flexible Driver Manual Chapter 9 Care and Maintenance This chapter contains the general information on care and maintenance. Danger Maintenance operation should be carried out after the input power supply is ◎ disconnected for 10 minutes. At this time, the charging indicator is completely off or the DC bus voltage is lower than 24VDC.

  • Page 160: Periodic Inspection

    Shanghai Sigriner STEP Electric Co., Ltd. Whether the surrounding environment meets the standard specifications; Whether the operation performance meets the standard specifications; Whether there is abnormal noise, vibration and abnormality; Whether the cooling fan installed on the inverter operates normally;...
  • Page 161 ET/EP/EH Series Intelligent Flexible Driver Manual Inspection part Inspection item Method of inspection Judgment criteria Connecti Whether there is dust and foreign object attached on the double row connection plug-in between Visual inspection No abnormalities plug-ins the control panel and the main circuit trol 1) Whether there is discoloration and odor on circ...

  • Page 163: Appendix A Emc Installation Guide For The Inverter

    ET/EP/EH Series Intelligent Flexible Driver Manual Appendix A EMC Installation Guide for the Inverter This appendix introduces the EMC design and installation guide for the inverter from the aspects of noise suppression, wiring requirements, grounding, surge absorption of external equipment, current leakage, installation area division and installation precautions, power filter use, radiation noise treatment, etc., for the reference of inverter users.

  • Page 164: Basic Countermeasures For Noise Suppression

    Shanghai Sigriner STEP Electric Co., Ltd. Control Sensor power Radio device instrument Inverter supply Sensor Motor Figure A-2 Schematic Diagram of Noise Propagation A.1.3 Basic countermeasures for noise suppression The basic countermeasures for noise suppression are shown in Table A.1.

  • Page 165: Distribution Requirements

    ET/EP/EH Series Intelligent Flexible Driver Manual Cause Countermeasures When the peripheral equipment and the inverter operate in the same power supply system, the Install a noise filter at the input end of the inverter, or noise generated by the inverter propagates along isolate other peripheral devices from noise with an ③...

  • Page 166: Requirements For Shielded Cables

    Shanghai Sigriner STEP Electric Co., Ltd. A.2.3 Requirements for shielded cables The high-frequency and low-impedance shielded armored cables, such as braided copper wire mesh and aluminum wire mesh, should be used. A.2.4 Requirements for shielded cable installation Generally, the control cable should be a shielded cable, and the shielded wire mesh must be connected to the metal cabinet by 360°...

  • Page 167: Installation Of Surge Absorber

    ET/EP/EH Series Intelligent Flexible Driver Manual motor and inverter are equipped with their own dedicated grounding electrodes, the best grounding performance can be achieved. When the grounding terminals of all components in the control system are connected together, the noise source formed by grounding leakage current will affect other peripheral devices other than the inverter in the control system.

  • Page 168: Earth Leakage Current

    Shanghai Sigriner STEP Electric Co., Ltd. A.5.1 Earth leakage current The earth leakage current will not only flow into the inverter, but also into other equipment through the ground wire. It may cause misoperation of leakage circuit breakers, relays or other equipment.

  • Page 169: Guide To The Use Of Power Line Filter

    ET/EP/EH Series Intelligent Flexible Driver Manual Cable shielding layer is connected to the case at the outlet Cable Shielding chassis Figure A-10 Radiation Suppression of the Cable Shielding Layer Connected to Ground of the Shielding Case Guide to the use of power line filter Power line filter can be used for the equipment that can generate strong interference and the equipment that is sensitive to external interference.
  • Page 170 Shanghai Sigriner STEP Electric Co., Ltd. compatibility should also be realized in the control cabinet. In the transmission system composed of inverter and motor, the inverter, braking unit and contactor are all strong noise sources, which may affect the normal operation of noise-sensitive peripheral devices such as automation devices, encoders and sensors.

  • Page 171: Precautions For Electrical Installation Of The Inverter

    ET/EP/EH Series Intelligent Flexible Driver Manual Precautions for electrical installation of the inverter Electrical installation of the inverter is shown in Figure A-12: - 161 -...
  • Page 172 Shanghai Sigriner STEP Electric Co., Ltd. Figure A-12 Schematic Diagram of Electrical Installation of the Inverter In order to meet EMC requirements, please pay attention to the following aspects during the installation: The inverter should be installed in the cabinet, and the baseplate of inverter, the input filter and other peripheral enclosures should be fixed on the back plate of the control cabinet to ensure a good electrical contact with the back plate.

  • Page 173: A.10 Emc Standards Met By The Intelligent Flexible Driver

    ET/EP/EH Series Intelligent Flexible Driver Manual be as close to the inverter as possible, preferably less than 15 cm; the other point should be on the grounding bar. The shielding layer should be connected with metal shell of the motor by 360°...

  • Page 174: Appendix B Standards Suitable For The Inverter

    EN12016.2004 Electromagnetic compatibility-Product family standard for lifts, escalators and passenger conveyors-Immunity. EN61800-3:2004: Adjustable speed electric drive system D Part 3 ISO9001 quality management system Shanghai Sigriner STEP Electric Co., Ltd. manages its quality management system according to the requirements of ISO9001 standard. - 164 -...

  • Page 175: Appendix C Modbus Communication Protocol

    ET/EP/EH Series Intelligent Flexible Driver Manual Appendix C Modbus Communication Protocol The Modbus address is set to that of the inverter in hexadecimal: Register Modbus address = register address + 0x999A Register bit Modbus address = register address *16+ bit number n (n=0, …, 15) Modbus address of inverter parameter = parameter number expressed in hexadecimal (for example, Modbus address of parameter P10.23 is 0x1023) The Modbus address is set to that of the inverter in decimal:...
  • Page 176 Shanghai Sigriner STEP Electric Co., Ltd. Register address Description bit7 Unused bit15~8 Unused # Actual value of terminal output = Modbus setting value | internal output value of functional terminal 0008H Reserved (Modbus broadcast data validity) bit0 1: Terminal DI0 Modbus broadcast preset...

  • Page 177: Monitoring Data [Register 4] [Bit 2]

    ET/EP/EH Series Intelligent Flexible Driver Manual Register address Description Bit2: virtual terminal X2 Bit3: virtual terminal X3 Bit4: virtual terminal X4 Bit5: virtual terminal X5 Bit6: virtual terminal X6 Bit7: virtual terminal X7 bit 8~15: reserved # Actual terminal input value = Modbus setting value | input value for external terminal 001AH~0068H Reserved control word (79 spaces) 001AH: communication reference torque -1,000~1,000...
  • Page 178 Shanghai Sigriner STEP Electric Co., Ltd. Register address Description 0475H Reserved (PID feedback value) 0476H Reserved (PID output value) 0477H Reserved (PID proportional term) 0478H Reserved (PID integral term) 0479H Reserved (PID differential term) 047AH Reserved (communication failure) bit0 1: communication timeout...
  • Page 179 ET/EP/EH Series Intelligent Flexible Driver Manual Register address Description bit3 Reserved (Y20) bit4 Reserved (Y21) bit5 Reserved (Y22) bit6 Reserved (Y23) bit7 Reserved (Y24) bit8 Reserved (Y25) bit9 Reserved (Y26) bit10 Reserved (Y27) bit11 Reserved (Y28) bit12 Reserved (Y29) bit13 Reserved (Y30) bit14 Reserved (Y31)
  • Page 180 Shanghai Sigriner STEP Electric Co., Ltd. Register address Description bit15 Reserved 048EH Reserved (fault indication 4) bit15~0: reserved 048FH Input state of multi-function terminal bit0 1: multi-function terminal X0 ON 0:OFF bit1 1: multi-function terminal X1 ON 0:OFF bit2 1: multi-function terminal X2 ON...
  • Page 181 ET/EP/EH Series Intelligent Flexible Driver Manual Register address Description 04BBH:View[1] 04BCH:View[2] 04BDH:View[3] 04BEH:View[4] 04BFH:View[5] 04C0H:View[6] 04C1H:View[7] 04C2H:View[8] 04C3H:View[9] 04C4H:View[10] 04C5H:View[11] 04C6H:View[12] 04C7H:View[13] 04C8H:View[14] 04C9H:View[15] 04CAH:View[16] 04CBH:View[17] 04CCH:View[18] 04CDH:View[19] 04CEH:View[20] 04CFH:View[21] 04D0H:View[22] 04D1H:View[23] 04D2H:View[24] 04D3H:View[25] 04D4H:View[26] 04D5H:View[27] 04D6H:View[28] 04D7H:View[29] 04D8H:View[30] 04D9H:View[31] 04DAH~04E5H Uxx monitoring data (curve data) 04DAH: U01 data value (curve 1)
  • Page 182 Shanghai Sigriner STEP Electric Co., Ltd. Register address Description (the earliest) Reference velocity at the time of fault -30000~30000-300.00~300.00Hz Bus voltage at the time of fault Current at the time of fault Error code Actual velocity at the time of fault -30000~30000-300.00~300.00Hz...

  • Page 183: Appendix D Profinet Communication Description

    Introduction to Network Settings D.1.1 Introduction to PN communication card of STEP inverter * Model of STEP inverter PN communication card is AS.L03/C9. The image is as follows: D.1.2 Host setting * The PROFINET slave file (. xml) must be configured in the master station, with three types of protocols integrated internally: 2WORD, 4WORD, and 8WORD.

  • Page 184: Protocol Content

    Shanghai Sigriner STEP Electric Co., Ltd. Protocol Content There are three types of PROFINET communication protocols: 2WORD, 4WORD, and 8WORD. This part of protocol content is selected by users, who can choose protocol type according to actual needs: D.2.1 2WORD communication protocol meaning, this type includes 2 control words and 2 status words: D.2.1.1...

  • Page 185: Inverter Status Word

    ET/EP/EH Series Intelligent Flexible Driver Manual D.2.1.2 Inverter status word Status word WORD1, specific definition of each bit is as follows: Bit0: 0: Prohibit enabling PW/M; 1: Allow enabling PWM Bit1: 0: Prohibit running; 1: Allow running Bit2: 0: Stopping; 1: During operation, enabling PWM, with output current Bit3: 0: Normal;...
  • Page 186 Shanghai Sigriner STEP Electric Co., Ltd. D.2.2 4WORD communication protocol meaning, this type includes 4 control words and 4 status words: D.2.2.1 Inverter control word Control word WORD1, specific definition of each bit is as follows: bit0: Off1 switch command: 0 indicates stopping, 1 indicates starting bit1: Off2 base blocking: 0: PWM blocking, output contactor disconnected, holding brake closed;...
  • Page 187 ET/EP/EH Series Intelligent Flexible Driver Manual D.2.2.2 Inverter status word Status word WORD1, specific definition of each bit is as follows: Bit0: 0: Prohibit enabling PwM; 1: Allow enabling PWM Bit1: 0: Prohibit running; 1: Allow running Bit2: 0: Stopping; 1: During operation, enabling PWM, with output current Bit3: 0: Normal;...
  • Page 188 Shanghai Sigriner STEP Electric Co., Ltd. D.2.3 8WORD communication protocol meaning, this type includes 8 control words and 8 status words: D.2.3.1 Inverter control word Control word WORD1, specific definition of each bit is as follows: bit0: Off1 switch command: 0 indicates stopping, 1 indicates starting bit1: Off2 base blocking: 0: PWM blocking, output contactor disconnected, holding brake closed;...
  • Page 189 ET/EP/EH Series Intelligent Flexible Driver Manual D.2.3.2 Inverter status word Status word WORD1, specific definition of each bit is as follows: Bit0: 0: Prohibit enabling PWM; 1: Allow enabling PWM Bit1: 0: Prohibit running; 1: Allow running Bit2: 0: Stopping; 1: During operation, enabling PWM, with output current Bit3: 0: Normal;...
  • Page 190 Shanghai Sigriner STEP Electric Co., Ltd. Parameter set to 10 current output torque of the inverter, signed, standard value for rated motor torque, 999 means 99.9%, -1000 means -100.0% Parameter set to 11-12 standby Parameter set to 13 reference target frequency of the inverter, unsigned, 5000 means 50.00Hz Parameter set to 14 current operating frequency of the inverter, signed, 5000 means 50.00Hz,...

  • Page 191: Protocol

    Step 5 after Step 4) Step 6: After the GSD file is imported into the PLC, no matter which type of protocol is selected, the following bits of the control word WORD1 of the inverter protocol must be preset...
  • Page 192 Shanghai Sigriner STEP Electric Co., Ltd. In slave mode Word3 -1000 ~ 1000 torque reference Word2 invalid - 182 -...

  • Page 193: Appendix E Optional Expansion Card

    ET/EP/EH Series Intelligent Flexible Driver Manual Appendix E Optional expansion card Torque off STO expansion card Board card model: AS.L17/P PN communication card Board card model: AS.L03/C9 - 183 -...
  • Page 194 Shanghai Sigriner STEP Electric Co., Ltd. Universal standard IO board card Intelligent flexible driver optional IO board Board card Optional classification model Universal standard IO board AS.L03/C2 With SSI programmable IO board - with isolation 485 AS.L03/D4.01 With SSI programmable IO board - with isolation CAN AS.L03/D4.02...
  • Page 195 ET/EP/EH Series Intelligent Flexible Driver Manual Intelligent flexible driver optional PG card Optional classification Board card model Intelligent flexible 5 V incremental PG card AS. L06/C9. 01 Intelligent flexible 12 V incremental PG card AS. L06/C9. 02 Intelligent flexible 5 V incremental frequency division PG card AS.

  • Page 196: Customer Complaint

    Shanghai Sigriner STEP Electric Co., Ltd. Customer complaint Customer name: Tel: Fax: Type of complaint: □ Sales □ Publicity □ Service □ Quality □ Business □ Products □ Others Details of complaint: Complainant (signature): Complaint unit (official seal): Date :...

  • Page 197: Warranty Card

    ET/EP/EH Series Intelligent Flexible Driver Manual Warranty Card Customer name: Tel: Fax: Warranty product: Warranty content: Warrantor (signature): Warranty unit (official seal): Date : Date: - 187 -...

  • Page 198: Warranty Agreement

    In case of any problem in the service process, please contact our agent or our company in time. The right to interpret this agreement belongs to Shanghai Sigriner STEP Electric Co., Ltd. Shanghai Sigriner STEP Electric Co., Ltd. (Customer Service Center) Service hotline: 400-821-0325 Address: No.1560 Siyi Road, Jiading District, Shanghai...

  • Page 199: Customer Notification

    ET/EP/EH Series Intelligent Flexible Driver Manual Customer Notification Dear customers: RoHS is an acronym for the Restriction of the use of certain Hazardous Substances. The EU implemented the RoHS on July 1, 2006, which provides for restrictions on the use of six hazardous substances, namely lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBB) and polybrominated diphenyl ethers (PBDE), in new electronic and electrical equipment products placed on the market.
  • Page 200 Shanghai Sigriner STEP Electric Co., Ltd. Do not discard e-waste with ordinary household waste. Please call your local waste management agency or environmental protection agency for advice on handling e-waste. Shanghai Sigriner STEP Electric Co., Ltd. - 190 -...

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