Step Electric iAStar-S3 Instruction Manual
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Step Electric iAStar-S3 Instruction Manual

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  • Page 3 The information in this document is subject to change without prior notice. No part of this document may in any form or by any means (electronic, mechanical, micro-coping, photocopying, recording or otherwise) be reproduced, stored in a retrial system or transmitted without prior written permission from Shanghai STEP Electric corporation...
  • Page 4 Shanghai STEP Electric corporation Preface -S3 Series of elevator-used Inverters is a new type inverter which is researched and developed based on the carry characteristic of elevator. The 32 bit electromotor-used Digital Signal Processing (DSP), Complex Programmable Logic Device (CPLD), Intelligent Power Module (IPM) and the digiral vector controlled frequency-variable speed-adjustable technology are used in the Inverter.
  • Page 5 Instruction Manual of -S3 Inverter for Elevator Convenient and quick commissioning method of elevator It is important whether it is convenient for elevator commissioning after wiring. Usually it takes operators much time and effort to set many parameters and perform complicated procedures. This becomes very convenient by using our inverter which is designed especially for elevator.

  • Page 6: Safety Information

    Shanghai STEP Electric corporation Safety Information The following symbols with texts are used in this manual for safety-related contents. Please comply with these regulations as they are very important. Indicates precautions that, if not heeded, could possibly result in loss of life or serious injury.
  • Page 7 Instruction Manual of -S3 Inverter for Elevator Table of contents OPERATION PRECAUTIONS ..................... 1 1.1 V ..................1 OLTAGE LASS AND OTOR APACITY 1.2 C ....................1 ONFIRMATIONS UPON ELIVERY 1.3 I ......................1 NVERTER PECIFICATIONS 1.4 I ................... 2 NVERTER AMEPLATE NFORMATION...
  • Page 8 Shanghai STEP Electric corporation 4.3.4 Main Circuit Configurations ....................15 4.3.5 Illustration of Main Circuit Wiring ..................15 4.4 C ..................20 OUNTERMEASURES AGAINST OISE 4.5 W ................21 IRING THE ONTROL IRCUIT ERMINALS 4.5.1 Control Circuit Terminals ....................21 4.5.2 Terminal Symbols of Control Circuit ...................
  • Page 9 Instruction Manual of -S3 Inverter for Elevator 6.3 R U ..................错误！未定义书签。 UNNING TATUS APPLICATION OF ELEVATOR ................... 1 7.1 G ........................... 1 ENERAL 7.2 S ......................4 PEED ONTROL 7.3 W ............5 IRING BETWEEN LEVATOR ONTROLLER AND NVERTER 7.3.1 Analog Voltage Control Mode ....................5 7.3.2 Analog Current Control Mode ....................
  • Page 10 Shanghai STEP Electric corporation Precautions for Inverter Electric Installation.................. 11 A.10 EMC Standards of -S3 Inverter ..................12 Appendix B Lists of Function Parameters, Running Status and Faults ............1 B.1 Function Parameter ..........................1 B.2 Running Status List..........................14 Appendix C Conformities of the Inverter .......................

  • Page 11: Operation Precautions

    Instruction Manual of -S3 Inverter for Elevator 1 Operation Precautions The user who is familiar with this Inverter may skip directly to Appendix C “Operation guide of elevator control”. This chapter introduces general information about the inverter, including the voltage class, the capacity of available motors, and how to check after transport.

  • Page 12: Inverter Nameplate Information

    AC380V 0-50Hz 48A 34kVA Number No.: Serial number SER. No.: Shanghai Sigriner STEP Electric Co.,Ltd Figure 1.2 Nameplate information 1.5 Safety Precautions ◎ Attach the Inverter to a metal or other noncombustible material. Or fire may result. ◎ Don’t attach the Inverter in an environment containing explosive gas.
  • Page 13 Instruction Manual of -S3 Inverter for Elevator ◎ Always turn off the input power supply before wiring. Or electric shock may occur. ◎ Wiring must be performed by an authorized person qualified in electrical work. Or electric shock may occur. ◎...

  • Page 14: Handling Notice

    Shanghai STEP Electric corporation ◎ A booster shall be used to slowly bring up the voltage to the Inverter if it has been in storage for more than two years. Or electric shock and explosion may occur. ◎ False operations are not allowed when the Inverter is running.
  • Page 15 Instruction Manual of -S3 Inverter for Elevator Table 1.2 Braking resistors for 400V Inverters Inverter Applicable Recommended total power(W) Minimum Maximum Recommended model motor output (Ω) (Ω) (Ω) (kW) Synchronous Asynchronous 4002 1000 1000 4003 1600 1200 4005 2000 1600 4007 3200 2000...
  • Page 16 Shanghai STEP Electric corporation 1.6.3 Operation Voltage of Inverter The operation voltage of the -S3 Inverter shall be at its nominal level, i.e., 220V/380V. If the power supply does not provide the appropriate voltage, a transformer must be used. 1.6.4 2-phase power supply is prohibited 3-phase power supply may not be changed to 2-phase, or faults may occur.
  • Page 17 Instruction Manual of -S3 Inverter for Elevator gases. Therefore, burning plastic parts is prohibited.

  • Page 19: Model And Specification

    Instruction Manual of -S3 Inverter for Elevator 2 Model and Specification The following provides the model, specifications and installation dimensions of the -S3 Inverter. 2.1 Inverter Model Numbers -S3 Inverter model numbers are listed in Table 2.1 for the 200V models and Table 2.2 for the 400V.

  • Page 20: Inverter Technical Index And Specification

    Shanghai STEP Electric corporation 2.2 Inverter Technical Index and Specification -S3 Inverter technical indexes and specifications are shown in Table 2.3, Table 2.4 and Table 2.5. Table 2.3 shows the technical indexes and specifications of 200V inverters; Table 2.4 those of 400 V;...
  • Page 21 Instruction Manual of -S3 Inverter for Elevator Table 2.4 Technical indexes and specifications of 400V -S3 Inverter Model Number: 4002 4003 4005 4007 4011 4015 4018 4022 4030 4037 4045 4055 4075 Maximum Applicable Motor 18.5 Output (kW) Rated capacity (kVA) Rated Rated current (A)
  • Page 22 Shanghai STEP Electric corporation Table 2.5 Shared technical indexes and specifications of 200V and 400V Inverters, Continued Digital setting; analog setting, control system setting through CAN Speed setting Control (optional) Characteristics Bus operation under low At power failure, storage batteries are used to bring the elevator slowly to...
  • Page 23 Instruction Manual of -S3 Inverter for Elevator Table 2.5 Shared technical indexes and specifications of 200V and 400V Inverters, Continued interior IPM over-heated, over-current, short-circuit, under-voltage of control power protection Braking unit Protection Automatic detection of abnormalities and protection protection Functions Over-torque The same as over-current protection...
  • Page 24 Shanghai STEP Electric corporation Figure 2.1 Installation dimension and weight of Inverter Table 2.6 Installation dimensions and weights of 200V -S3 Inverters Installation Installation Model Fastening Weight aperture Bolt Washer (mm) (mm) (mm) (mm) (mm) torque (Nm) (kg) -S3- Φ(mm) 2002 165.5...
  • Page 25 Instruction Manual of -S3 Inverter for Elevator 2.4 Digital Operator Dimensions Digital operator dimensions are shown in Figure 2.2. Figure 2.2 Digital operator dimensions...

  • Page 27: Inverter Installation

    Instruction Manual of -S3 Inverter for Elevator 3 Inverter Installation This chapter describes the installation requirements, precautions, removing and attaching of inverter cover. 3.1 Installation Site ◎ Attach the Inverter to a metal or other non-combustible material. Or fire may occur. ◎...

  • Page 28: Installation Orientation And Space

    Shanghai STEP Electric corporation Install the Inverter under the following conditions: Install the Inverter in a clean location free from oil mist and dust. It may be installed in a totally closed panel that is completely shielded from floating dust.
  • Page 29 Instruction Manual of -S3 Inverter for Elevator 3.3 Inverter Installation The installation shall be performed in the following order: ① Check the four mounting holes on the Inverter. Refer to the installation dimensions and weights in Figure 2.1. Install first the two upper screws. Note to leave several millimeters. ②...

  • Page 30: Removal And Installation Of The Operator

    Shanghai STEP Electric corporation 3.4.2 Removal and Installation of the Operator Operator removal ① Push down the locks at both sides of the operator at the same time to release it from the panel and then take it off. ② Pull out the plug from the back of the operator. Note: do not pull the connecting line in order not to damage it.
  • Page 31 Instruction Manual of -S3 Inverter for Elevator Closing the terminal cover Close the terminal cover in the reversed sequence of opening. Fasten the two anti-dropping screws on the cover. 3.4.4 Removal and Installation of the Front Cover The front cover shall be removed during wiring of the control circuit. It may also be removed to facilitate the wiring of the main circuit.

  • Page 33: Inverter Wiring

    Instruction Manual of -S3 Inverter for Elevator 4 Inverter wiring This chapter describes the wiring of peripheral devices, terminals, main circuit terminal connections, control terminals and PG card terminals. ◎ Always turn off the input power supply before wiring the terminals.
  • Page 34 Shanghai STEP Electric corporation 4.1 Connections to Peripheral Devices Connection Diagram The connection diagram is shown in Figure 4.1. Fuse Interrupter AC reactor Noise filter Filter Input side Contactor DC reactor iAStar Inverter Braking resistor Contactor Output side Noise filter...
  • Page 35 Instruction Manual of -S3 Inverter for Elevator Specifications of input power (main circuit) Input voltage 200V , 3.7kW and below: 200/208/220/230/240V AC, single- or 3-phase, -15%～ +10%; 5.5kW and above: 200/208/220/230/240V AC 3-phase, -15% +10%; ～ 400V: 380/400/415/440/460V AC 3-phase, -15%～+10% Short current 100kA maximum permissible short current if the incoming cable of the Inverter h as a...
  • Page 36 Shanghai STEP Electric corporation Input current Main fuse -S3- IEC269 gG (A) UL T (A) Bussmann type 4002 CT10 4003 CT10 4005 CT16 4007 CT20 4011 FE35 4015 FE40 4018 FE45 4022 FE50 4030 FE71 4037 FE80 4045 FE100 4055...
  • Page 37 Instruction Manual of -S3 Inverter for Elevator Max. current load Copper cable Max. current load Copper cable type (AWG/kcmil) 3x1.5 22.8 3x2.5 27.3 36.4 50.1 3x10 68.3 3x16 86.5 3x25 3x35 3x50 3x70 3x95 Grounding of input power cable The Inverter and the motor shall be grounded in order to ensure personnel safety, correct operation and to reduce radiation.
  • Page 38 Shanghai STEP Electric corporation Specifications of motor connection Specifications of output power (motor) Output voltage 0 ～ input voltage, symmetrical 3-phase Current See 2.2 Inverter Technical Index and Specification Switching frequency Set from 4 ～ 15 kHz Rated temp. of cable Min.

  • Page 39: Inverter Terminal Wiring

    Instruction Manual of -S3 Inverter for Elevator 4.1.1.4 Noise Filter on the Input Side An optional noise filter may be used specifically on the input side to restrain noise transmitted between the power line and the Inverter. 4.1.1.5 Contactor on the Input Side The Inverter is started and stopped through opening and closing of the contactor on the input side to protect the power supply and prevent spreading of faults.

  • Page 40: Connection Diagram

    Shanghai STEP Electric corporation PG card Divided-frequency Control panel output terminal Encoder input terminal Operator socket Transistor open collector output Digital input terminal terminal Analog I/O terminal Relay output terminal Power I/O terminal Cable clamp Figure 4.2 Inverter interior Note: the terminals at all power levels are the same except for the position and alignment of power I/O terminals.
  • Page 41 Instruction Manual of -S3 Inverter for Elevator Figure 4.3 Connection diagram Note 1: the above figure is based on 3-phase power supply, which is 380 – 460V for the 400V class and 200 – 240V for the 200V class. The input power supply for 200V Inverter shall be connected as follows: 3-phase 220V: Phase L1, L2, L3 connected to Terminal R, S, T on the main circuit respectively.

  • Page 42: Wiring Precautions

    Shanghai STEP Electric corporation The connection is shown in the diagrams below: Connection of 3-phase 220V Connection of single-phase 3相220V接法 单相220V接法 power 220V power Main circuit terminals Main circuit terminals 主回路端子 主回路端子 3 phase 220V Single-phase 220V 3相220V 单相220V Note 2: the PG card shown in the above figure is of the ABZ increment type for the control of asynchronous motors (AS.
  • Page 43 Instruction Manual of -S3 Inverter for Elevator first. Since it takes some time for the main circuit charge capacitor to discharge, subsequent procedures may be taken only after the charging indicator extinguishes and the DC voltage across the capacitor is measure through a DC voltmeter to be below 24VDC safety level.

  • Page 44: Symbols And Functions Of Main Circuit Terminals

    Shanghai STEP Electric corporation Figure 4.6 Main circuit terminals for 30kW Inverters ○ ＋2 Figure 4.7 Main circuit terminals for 37kW Inverters ○ ＋2 Figure 4.8 Main circuit terminals for 45KW/55KW/75KW Inverters 4.3.2 Symbols and Functions of Main Circuit Terminals The functions of main circuit terminals are listed in Table 4.1.

  • Page 45: Wire Sizes Of Main Circuit

    Instruction Manual of -S3 Inverter for Elevator 4.3.3 Wire Sizes of Main Circuit 600V plastic copper conductors or other insulated conductors for power supply may be used. Cable specifications and tightening torques are listed in Tables 4.2 and 4.3. Table 4.2 Cable specifications and tightening torques for 200V Inverters Permissible cable size Recommended cable size Tightening torque...
  • Page 46 Shanghai STEP Electric corporation Table 4.4 Round crimp terminals Cross section （mm Screw Terminal ） 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 47: Main Circuit Configurations

    Instruction Manual of -S3 Inverter for Elevator IMPORTANT Sufficient attention shall be paid to the voltage drop along the line to determine cable cross section. Typically, the voltage shall be maintained below 2% of the rated value. If the drop is too heavy, a larger cross section shall be used.
  • Page 48 Shanghai STEP Electric corporation the Inverter which causes instability in grounding terminal potential. d) Multi-strand copper lines over 3.5mm shall be used for the grounding wire. It is recommended to use specific green-yellow grounding wires. e) It is recommended not to loop the grounding wire when more than one Inverter is to be grounded in order to avoid grounding loop.
  • Page 49 Instruction Manual of -S3 Inverter for Elevator 4.3.5.4 Power Supply Input Terminals for the Main Circuit (R, S, T) a) A 3-phase AC power supply may be connected through a breaker to any one of Terminals R, S, and T on the main circuit. The phase sequence of the input power supply is irrelevant to the sequence of R, S, and T.
  • Page 50 Shanghai STEP Electric corporation Power 电 Inverter supply 变频器 源 Other 一般噪声 General noise 其他的 controllers filter 滤波器 控制机器 Figure 4.14 Example 2 of incorrect noise filter setting In Figure 4.14, the noise filter on the receiving side may not satisfy expected requirements and thus shall be avoided.
  • Page 51 Instruction Manual of -S3 Inverter for Elevator 4.3.5.6 Connecting the Braking Resistor Terminals (○ ＋ 2, B) a) Since each -S3 is equipped with a built-in braking unit, an additional braking resistor is required to absorb the energy released during braking. The types of braking resistors are listed in Table 1.1 Braking Resistors for 200V Inverters and Table 1.2 Braking Resistors for 400V Inverters in Chapter One.

  • Page 52: Countermeasures Against Noise

    Shanghai STEP Electric corporation 4.4 Countermeasures against Noise 4.4.1 Install a Specialized Noise Filter on the Output Side A specialized noise filter may be installed on the Inverter output side to restrain the noise from this side. The connection is shown in Figure 4.19.

  • Page 53: Terminal Symbols Of Control Circuit

    Instruction Manual of -S3 Inverter for Elevator 4.4.4 Relationship between Cable Length and Carrier Frequency If the cable linking the Inverter and the motor is too long, the high-frequency leakage current may increase due to distributed capacitance, which may trigger over-current protection of the Inverter output and thus causes negative impacts on surrounding equipment and electrical machines.

  • Page 54: Control Circuit Terminal Functions

    Shanghai STEP Electric corporation 4.5.3 Control Circuit Terminal Functions The functions of the control circuit terminals are shown in Table 4.5. Table 4.5 Control circuit terminal functions Name Terminal Signal Configurations Effective when it is closed. The function of each terminal is Multi-function input 1 selected by parameters F01 –...
  • Page 55 Instruction Manual of -S3 Inverter for Elevator Table 4.5 Control circuit terminal functions, continued Name Terminal Signal Configurations The output functions of the programmable relay may be selected by the function parameters of G01. See 6.2.9 G (Digital Output) Parameters for function selection. The normally open contact is configured as follows: Programmable relay output Item...

  • Page 56: Cable Specifications Of Control Circuit Wiring

    Shanghai STEP Electric corporation 4.5.4 Cable Specifications of Control Circuit Wiring 600V insulated copper cable is used for the control circuit. Cable specifications and tightening torque are listed in Table 4.6. Table 4.6 Cable specifications and tightening torque Recommended cable,...
  • Page 57 Instruction Manual of -S3 Inverter for Elevator Shielded wires 使用屏蔽线 to be used iAStar-S3 Inverter iAStar-S3 变频器 Analog voltage input 2 模拟电压输入 2 (-10V~+10V) 1k~5k ohm Figure 4.24 Shielded analog input wiring In Figure 4.24, the analog voltage signal is provided by the Inverter, ranging from -10V to +10V.
  • Page 58 Shanghai STEP Electric corporation 5：signal input of multi-speed port 2; 6：signal input of emergency power supply; 7：forward signal input; 8：reverse signal input; 9：enabling signal input; 10：NO input of base blocking signal; 110：NC input of base blocking signal; 11：NO input of detection points of output (output contactor);...
  • Page 59 Instruction Manual of -S3 Inverter for Elevator a) Jumper of Common-emitter Mode (0V as the common point) When the common emitter mode is used for digital inputs (with 0V as the common point), COM is at a lower voltage level. Both S1 and S2 are set as 2-3. The jumper positions and inputs are shown in Figure 4.27.
  • Page 60 Shanghai STEP Electric corporation 001：connect the two ends of the output when the feedback speed > B06 (detected frequency), or stay open; 101：stay open when the feedback speed > B06 (detected frequency), or connect the two ends; 002：run signal, connect the two ends when triggered, or stay open;...
  • Page 61 Instruction Manual of -S3 Inverter for Elevator realized through idle contacts, including one NO contact and two pairs of switching contacts. There are three channels for open collector outputs. The circuit is shown in Figure 4.29. T1A-T3A T1B-T3B Figure 4.29 Circuit of open collector outputs Open collector outputs adopt external power supplies.
  • Page 62 Shanghai STEP Electric corporation 4.5.5.5 Other precautions for wiring Keep the control circuit away from the main circuit power line, or interference may cause wrong actions. 4.6 Wiring PG Cards There are several types of PG cards to adapt to different encoder types, as shown in the following table.
  • Page 63 Instruction Manual of -S3 Inverter for Elevator 4.6.1.2 Terminal Symbols of PG Card for Asynchronous Motors The symbols of the terminals of ABZ increment PG card for asynchronous motors are shown as follows: JP1 divided-frequency output terminals: JP2 input terminals: 4.6.1.3 Terminal Functions of ABZ Increment PG Card for Asynchronous Motors The terminal functions of the ABZ increment PG card for asynchronous motors are listed in Table 4.8.
  • Page 64 Shanghai STEP Electric corporation 4.6.1.4 Wiring between Input Terminals of ABZ Increment PG Card for Asynchronous Motors and Encoder Output Signals The ABZ increment PG card for asynchronous motors may receive two types of encoder output signals, namely, open collector signals and Push-Pull signals.
  • Page 65 Instruction Manual of -S3 Inverter for Elevator 4.6.2.1 Terminal Alignment of SIN/COS PG Card for Synchronous Motors he terminal alignment of the SIN/COS PG card for synchronous motors is shown in Figure4.33. Figure 4.33 Terminal alignment of the SIN/COS PG card (J board) for synchronous motors 4.6.2.2 Terminal Symbols of SIN/COS PG Card for Synchro ous Motors The terminal symbols of the SIN/COS PG card for synchronous motors are shown as follows:...
  • Page 66 Shanghai STEP Electric corporation .6.2.3 Terminal Functions of SIN/COS PG Card for Synchronous Motors he terminal functions of the SIN/COS PG card for synchronous motors are listed in Table 4.9. Table 4.9 Terminal functions of SIN/COS PG card for synchronous motors...
  • Page 67 Instruction Manual of -S3 Inverter for Elevator 4.6.2.4 Wiring between Input Terminals of SIN/COS PG Card for Synchronous otors and Encoder Outputs The SIN/COS PG card for synchronous motors can receive SIN/COS differential signals from encoders. The wiring with the encoder is shown in Figure 4.34. PG card SIN/COS PG卡...
  • Page 68 Shanghai STEP Electric corporation 4.6.3.2 Terminal Symbols of UVW Increment PG Card for Synchronous Motors Symbols of J2 terminals of the UVW increment PG card for synchronous motors: Symbols of J1 terminals of the UVW increment PG card for synchronous motors: 4.6.3.3 Terminal Functions of UVW Increment PG Card for Synchronous Motors...
  • Page 69 Instruction Manual of -S3 Inverter for Elevator 4.6.3.4 Wiring betw Input Terminals of UV W Increment PG Card and Encoder Output Signals The UVW inc remen G card for synchronous motors can receive UVW differential signals from encoders, with the wiring shown in Figure 4.36. UVW increment PG card UVW增量型PG卡...
  • Page 70 Shanghai STEP Electric corporation 4.6.4.1 Terminal Alignment of Endat Absolute PG Card for Synchronous Motors The terminal alignment of Endat absolute PG card for synchronous motors is shown in Figure 4.37. Figure 4.37 Terminal alignment of Endat absolute PG card for synchronous motors 4.6.4.2 Terminal Symbols of Endat Absolute PG Card for Synchronous Motors...
  • Page 71 Instruction Manual of -S3 Inverter for Elevator Figure 4.11 Terminal functions of Endat absolute PG card for synchronous motors Name Symbol Function Specification Open collector output of crystal tri odes: max. voltage Phase-A open collector output max. rrent A, m .
  • Page 72 Shanghai STEP Electric corporation 4.6.5 PG Card Terminal Wiring Precaution IMPORTANT Keep encod er signal wiring aw ay from the main circuit wiring and other power lines. Never lay wires closely in parallel. Shi elded wires hall be used fo...

  • Page 73: Function Of Digital Operator Components

    Instruction Manual of -S3 Inverter for Elevator 5 Digital Operator The digital operator is the basic tool of Inverter operation for observing the status and fault codes of the Inverter and setting and viewing the parameters. This chapter describes basic operations of the operator in detail. 5.1 Function of Digital Operator Components The components of the digital operator and their functions are shown in Figure 5.1.

  • Page 74: Led Digital Tube

    Shanghai STEP Electric corporation 5.1.2 LED Digital Tube Below the LED indicators there are 4 LED digital tubes showing real-time running speed of the elevator. 5.1.3 LCD Display At the middle of the operator there is an LCD display for setting Inverter parameters, showing elevator running parameters and viewing Inverter fault codes.

  • Page 75: Power On And Initialization

    Instruction Manual of -S3 Inverter for Elevator 5.2 Operation The digital operator provides three operation modes, namely, 【RUN】 , 【Function Select】 and 【Parameter Modification】. The menu may be shown in Chinese or English. The factory setting is Chinese. Choose 0 for the parameter of “Language selection” to switch to English menu.

  • Page 76: Run State

    Shanghai STEP Electric corporation 5.2.3 【Run State】 The 【Run State】 shows 16 real-time operation parameters of the elevator. These parameters may only be shown but not be changed. The 16 parameters and their function codes are listed in Table 5.4.
  • Page 77 Instruction Manual of -S3 Inverter for Elevator Table 5.5 U parameters of operation status, continued Function Default Name Explanation Range Unit Remarks code value Monitor of input status of DI1- DI12, in “XXXXXXXXXXXX”, 输入 DI1-DI12 Combined with function × × ×...

  • Page 78: Function Select

    Shanghai STEP Electric corporation Run State U00= 0.00RPM Feedback Speed Decrement key Increment key Increase the function code Decrease the function code Run State U01= 0.00RPM Ref. Speed Decrement key Increment key Increase the function code Decrease the function code Run State U15= 0.00DSG...
  • Page 79 Instruction Manual of -S3 Inverter for Elevator 5.2.6 Examples of Parameter Setting This section describes how to set parameters by an example of changing the encoder specification E09 from 0 to 1024, as shown in the following figure. Figure 5.2 Example of parameter setting...

  • Page 80: Fault Indication

    Shanghai STEP Electric corporation 5.3 Fault Indication When a fault occurs to the Inverter, the fault indicator will be lit up, and the U00 and LED digital tubes show the fault code. Fault codes and types are listed in Table 5.6.
  • Page 81 Instruction Manual of -S3 Inverter for Elevator 5.4 Chinese-English Comparison of Parameter Names of the Operator Table 5.6 Chinese-English comparison of Run State parameter names Chinese English Feedback Speed 反馈速度 指令速度 0 Ref. Speed 0 Ref. Speed 1 指令速度 1 Speed Deviate 速度偏差...
  • Page 82 Shanghai STEP Electric corporation Table 5.7 Chinese-English comparison of Function Select parameter names, continued Chinese English 系统配置参数 System Parameter Zero Speed P0 零速比例 P0 零速积分 I0 Zero Speed I0 低速比例 1 P1 Slow Speed P1 低速积分 1 I1 Slow Speed I1 低速比例...
  • Page 83 Instruction Manual of -S3 Inverter for Elevator Table 5.7 Chinese-English comparison of Function Select parameter names, continued Chinese English 控制方式 Control Mode Num.of poles 电机极数 Motor Rated Volt. 电机额定电压 Motor Rated RPM 电机额定转速 电机额定电流 Motor Rated Cur. Tor.Output Lim. 力矩限制 Motor 电机参数...
  • Page 84 Shanghai STEP Electric corporation Table 5.7 Chinese-English comparison of Function Select parameter names, continued Chinese English AI1 功能 Ai1 Func Ai1 Offset AI1 模拟量偏置 AI1 模拟量增益 Ai1 Gain AI1 模拟量滤波 Ai1 Filter Time 预负载补偿方向 Pre-tor.Direc. Analog 模拟量 AI2 模拟量偏置 Ai2 Offset Input 输入...
  • Page 85 Instruction Manual of -S3 Inverter for Elevator Table 5.7 Chinese-English comparison of Function Select parameter names, continued Chinese English K01~K04 1387 编码器数据 01~04 Function K01~K04 Sin/CosEncoder01~04 K05~K06 Parameters K05~K06 UVW Encoder D01~02 UVW 编码器数据 01~02 K07~K12 UVW 编码器数据 03~08 K07~K12 UVW Encoder D03~08 K13~K18 UVW 编码器数据...

  • Page 87: Function Parameter List

    Instruction Manual of -S3 Inverter for Elevator 6 Function Parameter List This chapter lists all the function codes and related information for reference. Although “U running data” are operation data under 【Run State】 mode and do not belong to any function group in 【Function Select】, they are also listed in this chapter for convenience.
  • Page 88 Shanghai STEP Electric corporation Function Name Content Range Unit Default Remarks Code Inverter version. This is a read only data and set in Set the following value and press the factory according to Inverter 固件版本 Enter: features. 99.99: to reset all parameters to The version shows (from left to default value;...
  • Page 89 Instruction Manual of -S3 Inverter for Elevator IMPORTANT Note 1: A01 firmware version A01 firmware version shows the hardware and software features of the Inverter, generally set at the factory, and may not be changed. The meaning of the digits is shown as follows: 软件...
  • Page 90 Shanghai STEP Electric corporation Note 2: A03 motor autotuning 1. For synchronous motors, the Inverter can effectively control the motor only after it obtains the phase angle of the motor magnetic pole to the encoder. Therefore, when either of the following happens, the encoder shall undergo an autotuning process: a) when a new Inverter is installed;...
  • Page 91 Instruction Manual of -S3 Inverter for Elevator IMPORTANT Note 3: A04 operation mode of the Inverter 1. Three operation modes may be obtained through A04 setting, as shown in the following table: A04 Setting Operation Mode Speed Selection Direction Setting Upward and downward signals Multi-step port 0～2 （corresponding to multi-function...
  • Page 92 Shanghai STEP Electric corporation each but may not be given more than one ports. By default, F03 = 3, i.e., DI3 as multi-step port 0; F04 = 4, i.e., DI4 as multi-step port 1; F05 = 5, i.e., DI5 as multi-step port 2. If DI3 - DI5 are not to be used as the multi-step ports, F01 - F12 parameters shall be reset.
  • Page 93 Instruction Manual of -S3 Inverter for Elevator 6.2.2 B Parameters (R and R/W) B parameters are used to define rated power, rated output current and other system features. Function Name Content Range Unit Default Remarks Code Operator Display 2.2～ Rated 额定功率...
  • Page 94 Shanghai STEP Electric corporation Continued Name Function Defaul Content Range Remarks Operator Code Display 同步电机速度 Speed of synchronous motors: ： 选择 0: speed ≥ 100 rpm; × Low Speed 1: speed < 100 rpm. PMSM AI1 模拟量输 Limit to AI1 analog inputs:...
  • Page 95 Instruction Manual of -S3 Inverter for Elevator Note 1: zero speed delay B03 1. B03 = 0: output only through enabling main control circuit when stop; When B03 is set as 0, during stopping; the Inverter may cut off its power output only according to the enabling signal.
  • Page 96 Shanghai STEP Electric corporation Note 5: AI1 analog limit B12 When the speed is given through analog voltage inputs, B12 defines the voltage input (in mV) from the corresponding analog input port AI1 at the highest speed. When it is set to “10000”, if AI1 input is 10V, the given speed is the highest level;...
  • Page 97 Instruction Manual of -S3 Inverter for Elevator Refer to Figure 6.2 Adjustable Sequence. Note 9: brake delay B16 B16 needs configuration only when the Inverter is to directly control the brake contactor. B16 defines the delay from zero speed to the sending of brake contactor cutoff command to release the brake when stop.
  • Page 98 Shanghai STEP Electric corporation 6.2.3 C (PI Tune) Parameters (R/W) C parameters are used to configure PI adjuster. Function Name Content Range Unit Default Remarks Code Starting compensation proportion: 零速比例 P0 When E13 = 0 (without load device) and Refer to Note 1.
  • Page 99 Instruction Manual of -S3 Inverter for Elevator Continued Function Name Content Range Unit Default Remarks Code 高速比例 P4 Refer to P3 in Proportion at high speeds (running Figure 6.7 PI frequency > high-speed switching point 140.00 High Speed control during F2 ).
  • Page 100 Shanghai STEP Electric corporation C14 is the zero servo time, used to adjust the delay of the speed curve given by the control system. C14 is 0.8s by default. The sequence of C14 is shown in Figure 6.3. Figure 6.3 Zero servo effective time...
  • Page 101 Instruction Manual of -S3 Inverter for Elevator Figure 6.2 P and feedback tracing Figure 6.3 I and feedback tracing Increase in I may quicken the dynamic response of the system. When there is over-tuning or too slow system response, I may be increased. However, too high I may also lead to system vibration.
  • Page 102 Shanghai STEP Electric corporation 6.2.4 D Parameters (R/W) D parameters are used to set acceleration/deceleration, acceleration/deceleration rate, and various reference speeds. Function Name Content Range Unit Default Remarks Code Acceleration of S Curve, in The value may not exceed half of 加速度...
  • Page 103 Instruction Manual of -S3 Inverter for Elevator Continued Function Name Content Range Unit Default Remarks Code Reference speed 5 under 速度参考 5 1.000 multi-step control, in m/s. Speed Ref. 5 0.000～ 速度参考 6 Reference speed 6 under 1.500 3.000 multi-step control, in m/s. Speed Ref.
  • Page 104 Shanghai STEP Electric corporation IMPORTANT Acceleration D01 and deceleration D02 of S Curve may be adjusted within a specific range. Increase of these values may improve operation efficiency but may also impact comfort, and thus comprehensive considerations shall be given.
  • Page 105 Instruction Manual of -S3 Inverter for Elevator Combination Code DI 2 DI 1 DI 0 Reference Speed Ref. speed 0 (D11) Ref. speed 1 (D12) Ref. speed 2 (D13) Ref. speed 3 (D14) Ref. speed 4 (D15) Ref. speed 5 (D16 Ref.
  • Page 106 Shanghai STEP Electric corporation Function Rang Name Content Unit Default Remarks Code Carrier frequency of Inverter 4～ 载波频率 Refer to Note 3. output, in kHz. Carrier Freq. Set the encoder type: Sin/Cos encoder shall have 编码器类型 0: increment, differential, 2048 pulses;...
  • Page 107 Instruction Manual of -S3 Inverter for Elevator result. Let the elevator run upward and downward with no load, and observer whether the feedback speed U00 shown on the operator is consistent with the actual speed. If not, increase E07 until they are consistent. Note 3: E08 is used to set the carrier frequency of PWM output.
  • Page 108 Shanghai STEP Electric corporation 6.2.6 F (Digital Input) Parameters (R/W) Digital input F parameters are used to define the functions of digital input ports. Function Name Content Range Unit Default Remarks Code Functions of digital input ports: By default: DI1 端口功能...
  • Page 109 Instruction Manual of -S3 Inverter for Elevator b) If the function code is set as 2, the corresponding port is used for inputs of brake (or brake contactor) detection signals. This function works only when B03 (zero speed time) > 0, for checking the validity of the brake (or brake contactor).
  • Page 110 Shanghai STEP Electric corporation signal. When the port receives a base blocking signal, the Inverter will immediately cut off the output of the power module. 10 is NO input and 110 is NC input. h) If the function code is set to 11, the corresponding port is used for input of output contactor detection signals.
  • Page 111 Instruction Manual of -S3 Inverter for Elevator 6.2.7 G (Digital Output) Parameters (R/W) G parameters are used to define the function of digital output ports. Function Name Content Range Unit Default Remarks Code DO1 端口功 Function relay 能 output port DO1 Output Func.
  • Page 112 Shanghai STEP Electric corporation 104：deceleration signal, stay open during deceleration, or connect the two ends; 005：current detection signal, connect the two ends when there is current during running, or stay open; 105：current detection signal, stay open when there is current during running, or connect the two ends;...
  • Page 113 Instruction Manual of -S3 Inverter for Elevator reset signal, resetting operation from the operator or disconnection of the power supply. The sequence of fault signal is shown in Figure 6.12. 故障现象 Fault Output of fault signal 故障信号输出 运行信号输出 Output of running signal Figure 6.12 Sequence of fault signal Note 5: if the function code is set to 4 or 104, the corresponding port is used for deceleration signal output.
  • Page 114 Shanghai STEP Electric corporation 6.2.8 H (Analog Input) Parameters (R/W) H parameters are used to define the functions of analog input ports. Function Name Content Range Unit Remarks Code ault AI1 功能 Function of analog voltage input port By system setting, H01 = 0, ×...
  • Page 115 Instruction Manual of -S3 Inverter for Elevator Note 1: When the speed is given through analog voltage signals (A04 = 1), parameters H01 to H04 are used. By system setting, H01 = 0 and may not be changed. When the speed is given through analog current signals (A04 = 3), parameters H09 to H12 are used.
  • Page 116 Shanghai STEP Electric corporation Note 5: H11 defines AI3 analog gain H11 (AI3 analog gain) = 16/(span (range) of AI2 analog input current). span of analog input current = maximum input current – minimum input current. If AI3 analog input current ranges from 6 to 20mA, the span (range) of AI3 analog input current is 14mA, and H11 (AI3 analog gain) = 16/14 = 1.14.
  • Page 117 Instruction Manual of -S3 Inverter for Elevator 6.2.10 J (Error Buffer) Parameters (R) J parameters are used to keep a record of the latest 20 error codes. Function Code Name Content Range Unit Default Remarks 故障记录 1 Recent error buffer 1 Error Buffer1 故障记录...
  • Page 118 Shanghai STEP Electric corporation There are totally 29 error codes. The corresponding error types are shown in the following table and their causes and solutions are listed in Table 9.1. Error Code Error Type Power module fault DSP fault Power module radiator overheat...
  • Page 119 Instruction Manual of -S3 Inverter for Elevator 6.2.11 K (Function) Parameters (R/W) Function Defa Name Content Range Unit Remarks Code 1387 编码器数据 01~04 Synchronous 1387 encoder × × × K01~K04 self-learning data Sin/CosEncoder01~04 K05~K06 HUW 同步编码器数据 01~02 Synchronous UVW encoder ×...
  • Page 120 Shanghai STEP Electric corporation =0: QEP =1: Capture, for Fbk Cal Mode synchronous UVW encoders only 50～ 输入缺相电压设置 Supply loss setting Supply loss Set 模拟量丢失斜率 Analog loss (disconnection) 0～ setting Analog Loss Set Feedback speed filter (for 速度反馈滤波 EnDat and 1387 encoders) =0: invalid, no filtering ×...
  • Page 121 Instruction Manual of -S3 Inverter for Elevator sequence of c and d of 1387 encoder (28) enabled bit2 ＝ 1: wrong phase sequence of c and d of 1387 encoder (28) disabled Protect Action Confirmation time of output 5000 输出缺相故障确认 ～...
  • Page 122 Shanghai STEP Electric corporation 6.3 Running Status U Running status U shows the 16 real-time running statuses of the elevator, which may only be displayed but not changed. Function Name Content Range Unit Default Remarks Code 反馈速度 Monitor feedback speed of ×...
  • Page 123 Instruction Manual of -S3 Inverter for Elevator Continued Function Name Content Range Unit Default Remarks Code Display status of 输出 DO1-DO6 Combined with output ports DO1 parameters DO6. left most digit displayed × × × corresponds to DO1, “XXXXXX”, Output DO1-DO6 The right most to DO6, where, “X”...
  • Page 125 Instruction Manual of -S3 Inverter for Elevator Application of Elevator 7.1 General -S3 Inverter is especially designed for elevator drive. It adopts advanced vector control technology and shows superior speed adjustability. Moreover, due to its specific design, -S3 Inverter is very simple to commission and operate, with easy adjustment to optimal comfort at each stage of elevator operation.
  • Page 126 Shanghai STEP Electric corporation The following sections in this chapter will describe each step in detail, and the last section will describe the application of the optional functions.
  • Page 127 Instruction Manual of -S3 Inverter for Elevator Figure 7.1 Internal control of the Inverter...

  • Page 128: Speed Control Mode

    Shanghai STEP Electric corporation 7.2 Speed Control Mode -S3 Inverter may adopt two kinds of speed control: analog control and multi-step control. In analog control mode, the elevator controller generates a speed command curve, and sends the signals to the analog input ports of the Inverter through analog output ports.
  • Page 129 Instruction Manual of -S3 Inverter for Elevator 7.3 Wiring between Elevator Controller and Inverter There are two kinds of wiring between elevator controller and -S3 Inverter: One is between elevator controller output signal and the Inverter, including upward and downward commands, enabling signals and speed-giving commands; the other is between Inverter output signal and elevator controller, including running signal (indicating Inverter ready to work), fault signals and encoder pulses processed by PG card.
  • Page 130 Shanghai STEP Electric corporation Figure 7.2 Basic circuit diagram of analog voltage control mode Note: in the diagram, ABZ increment PG card (AS.T002) for asynchronous motors is used. If synchronous motors are to be used, SIN/CON PG card (AS.T007), UVW increment PG card (AS.T010) or Endat absolute PG card (AS.T013) may be chosen instead.
  • Page 131 Instruction Manual of -S3 Inverter for Elevator Port No. Name Signal Type DI7 (by default) Upward signal Input DI8 (by default) Downward signal Input DI9 (by default) Enabling signal Input Analog voltage input 0～10V Input Analog 0V Input K2A、K2B、K2C (by default) Running signal Output Fault signal...
  • Page 132 Shanghai STEP Electric corporation Figure 7.3 Circuit diagram of analog current control mode Note: in the diagram, SIN/CON PG card (AS.T007) for synchronous motors is used. If synchronous motors are to be used, UVW increment PG card (AS.T010) or Endat absolute PG card (AS.T013) may also be used.
  • Page 133 Instruction Manual of -S3 Inverter for Elevator Table 7.2 Definitions of ports in analog current control mode Port No. Name Signal Type DI7 (by default) Upward signal Input DI8 (by default) Downward signal Input DI9 (by default) Running signal Input Analog current input 4～...
  • Page 134 Shanghai STEP Electric corporation 7.3.3 Multi-step Control Mode The wiring of multi-step control mode is shown in Figure 7.4. Figure 7.4 Circuit diagram of multi-step control mode Note: in the diagram, UVW increment PG card (AS.T010) for synchronous motors is used.
  • Page 135 Instruction Manual of -S3 Inverter for Elevator Definitions of the ports in the diagram are listed in Table 7.3. Table 7.3 Definitions of ports in multi-step control mode Port No. Name Signal Type DI3 (by default) Multi-step port 0 Input DI4 (by default) Multi-step port 1 Input...
  • Page 136 Shanghai STEP Electric corporation 7.4 Basic Parameter Setting For each specific project, basic parameters of the Inverter shall be set according to the specifications of the traction machine before application. Since -S3 Inverter, specifically designed for elevators, meets the practical requirements of elevators from the design stage, most of the factory (default) settings need no change.
  • Page 137 Instruction Manual of -S3 Inverter for Elevator Inverter control mode: 控制方式 × 0: asynchronous motor; 1: Control Mode synchronous motor. 电机极数 Set the number of motor poles. 2～32 × Refer to Note 1. Num. of poles 电机额定电压 Set rated voltage of the motor, in motor 0～500 nameplate.

  • Page 138: Motor Autotuning

    Shanghai STEP Electric corporation After autotuning of the synchronous motor, commissioning shall be performed to confirm the result. Let the elevator run upward and downward with no load, and observe whether the feedback speed U00 shown on the operator is consistent with the actual speed. If not, increase E07 until they are consistent.
  • Page 139 Instruction Manual of -S3 Inverter for Elevator normally required by other inverters, but similar with ordinary checking and repairing, as described below: -S3 Inverter with synchronous traction machines shall be equipped with a synchronous PG card (5V or 5.3 V, with frequency division output). If SIN/COS encoders are to be used, a SIN/COS PG card shall be equipped.
  • Page 140 Shanghai STEP Electric corporation end of the autotuning. Release the button and stop elevator repairing running. If UVW encoder is used, the motor will keep running slowly until the Inverter output is cut off and the indicator is off. A03 automatically changes to 3 on the operator, indicating the end of the autotuning.
  • Page 141 Instruction Manual of -S3 Inverter for Elevator Let the elevator run upward and downward in repair mode, and observe the actual running. The following shows how to make direction adjustment: (1) Let the elevator run upward in repair mode, adjust its running direction as shown in Figure 7.5: Figure 7.5 Upward running direction adjustment...
  • Page 142 Shanghai STEP Electric corporation (2) Let the elevator run downward in repair mode, adjust its running direction as shown in Figure 7.6: Figure 7.6 Downward running direction adjustment...
  • Page 143 Instruction Manual of -S3 Inverter for Elevator 7.7 Adjustment of Speed Curve The adjustment of the elevator speed curve directly influences elevator efficiency and comfort. It is thus necessary to make appropriate adjustments during high-speed running of the elevator. The adjusting method differs with different control mode and will be described below separately.
  • Page 144 Shanghai STEP Electric corporation Function Name Content Range Unit Default Remarks Code The value may not exceed half Acceleration of S 加速度 of the rated elevator speed Curve, in m/s Acceleration 0.000～ (D09). 减速度 0.650 0.850 Refer to D01 and D02 in Deceleration of S Figure 6.9 S Curve during...
  • Page 145 Instruction Manual of -S3 Inverter for Elevator 1. Parameter setting of given step speed: (1) Max. speed D09: the highest running speed of the elevator, in fact the rated speed. This is an important value. When the given speed reaches D19, the Inverter will let the motor run at E04 (rated speed), and all the values specified by D11 to D18 correspond to this parameter.
  • Page 146 Shanghai STEP Electric corporation Suppose the rated speed of the elevator is 2m/s, the parameters may be set as follows: Parameter Speed Step Value D11 reference speed 0 Zero D12 reference speed 1 Half checking speed 0.120 m/s D13 reference speed 2 Re-leveling speed 0.030 m/s...
  • Page 147 Instruction Manual of -S3 Inverter for Elevator 7.8.1 Adjustment of Starting Comfort Due to the innovative load-free sensor starting compensation technology, the Inverter may offer excellent starting comfort through parameter adjustments even without a pre-load starting compensation device. 7.8.1.1 Adjustment through Parameters of PI Adjuster Without pre-load starting compensation (E13 = 0), PI parameters of zero speed may be adjusted to improve elevator comfort.
  • Page 148 Shanghai STEP Electric corporation For adjustments, first set C02 to about 40 (when C02 ＝ 0, C01 does not work). When C01 (P) is very small, the elevator will draw back when running downward without load. Increase C01 gradually until drawing-back can not be felt when the elevator runs downward.
  • Page 149 Instruction Manual of -S3 Inverter for Elevator Function Name Content Range Unit Default Remarks Code Refer to D03 in Figure 6.9 S 蠕动速度 Dwell speed at low speeds, in 0.000～ 0.012 Curve during elevator m/s. 0.200 Dwell Speed operation. Refer to D08 in Figure 6.9 S 蠕动时间...
  • Page 150 Shanghai STEP Electric corporation 7.8.2 Adjustment of Comfort during Running By adjustments to the parameters of the PI adjuster during elevator running, the comfort may be improved. The parameters are listed in the following table: Function Name Content Range Unit...
  • Page 151 Instruction Manual of -S3 Inverter for Elevator Function codes C03 to C10 correspond to P and I values of the PI adjuster at different stages during operation (see Figure 7.7). Comfort during elevator operation may be increased through adjustments to C03 to C10 at different stages. Function codes C11 and C12 are used for frequency switching between stages (see Figure 7.8).
  • Page 152 Shanghai STEP Electric corporation Usually, P is adjusted first. Set P as high as possible as long as there is no system vibration. Then I may be adjusted to obtain quick system response while limit over-tuning. The following Figure 7.8 shows the PI adjuster divisions along the elevator operation curve.
  • Page 153 Instruction Manual of -S3 Inverter for Elevator Speed V Time t Figure 7.9 Load-free sensor starting compensation Although -S3 Inverter generally needs no pre-load device, an analog load device may also be equipped for the acquisition of over-load and full-load signals, or for certain elevators with extremely demanding requirements on comfort.
  • Page 154 Shanghai STEP Electric corporation In the table above, E13 shall be set to 2, and the pre-load compensation work only when it is set to 2. H05 is used to set the pre-load compensation directions defined as follows: If viewed from its front, the motor runs clockwise and the elevator goes upward, positive...
  • Page 155 Instruction Manual of -S3 Inverter for Elevator ranges from -5V to +5V, the difference (range) of AI2 analog input voltage is 10V, and H07 (AI2 analog gain) = 20/10 = 2. H07 shall be adjusted on site according to actual conditions. If the parameter is set to positive compensation, for example, put the elevator under repair mode, set the checking speed to 0, let the elevator start free of load (with the car side lighter), if the elevator dashes upward, it means the compensation is not high enough.
  • Page 156 400V 级 380VAC 220V AC for 200V class 200V 级 220VAC 50/60Hz iAStar-S3 Inverter for elevators iAStar-S3 电梯专用变频器 220VAC Figure 7.12 Bus circuit powered by UPS It is worthwhile to note that the contactor B in the figure above may only be closed during emergency power-off, or conflict between different power supplies will result and serious faults may occur.
  • Page 157 Instruction Manual of -S3 Inverter for Elevator stated in (b) above, and two contactors shall be used in the main circuit. Inverter, on the other hand, may provide such signals and output detection results. Therefore, the control system may meet the requirement in (b) if correct design is made in consideration of the elevator controller and -S3 Inverter.
  • Page 158 Shanghai STEP Electric corporation elevator stops. Therefore, if the elevator controller detects signal from the input point after the elevator stops, it will prevent the elevator from starting again. When the elevator has stopped, if the Inverter does not block the current, K1 relay will keep being closed, and the input point for the detection will still be connected even if the main contactor is released because the two contacts are connected in parallel, and thus the elevator will not start.

  • Page 159: Fault Inspection

    Instruction Manual of -S3 Inverter for Elevator Fault Inspection This chapter describes the fault codes, reasons and countermeasures of the Inverter, and provides an analysis to the faults during elevator operation. 1） Maintenance may be performed only 10 minutes after the input power is cut off, when the charging indicator is off or the bus DC voltage is below 24V.
  • Page 160 Shanghai STEP Electric corporation Table 8.1 Fault List Fault Content Reason Countermeasure Code Instantaneous over-current Power module fault Inverter IPM protection triggered Short of the three phases of output by over-current of the Contact the supplier. Abnormal power supply of the power...
  • Page 161 Instruction Manual of -S3 Inverter for Elevator Table 8.1 Fault list, continued Fault Content Reason Countermeasure Code Disconnected output wire Phase loss of the output Check the motor wiring Phase loss on the output Output terminal loosened side, or very unbalanced Motor power too low, below 1/20 of the Adjust the capacity of the Inverter phases...

  • Page 162: Workflow Of Fault Diagnosis

    Shanghai STEP Electric corporation Table 8.1 Fault list, continued Fault Content Reason Countermeasure Code Motor stalling Check the motor or the brake Over current Short of the motor coil Check the motor Output short Check the wiring or the motor...
  • Page 163 Instruction Manual of -S3 Inverter for Elevator...
  • Page 164 Shanghai STEP Electric corporation ◎ The motor runs without speed variation.

  • Page 165: Servicing And Maintenance

    Instruction Manual of -S3 Inverter for Elevator Servicing and Maintenance This chapter provides the general information on servicing and maintenance. 1） Maintenance shall be performed 10 minutes after the cutoff of the input power supply, with the charging indicator off or the bus DC voltage below 24V. Or electric shock may occur.

  • Page 166: Product Inquiry

    Shanghai STEP Electric corporation 9.2 Product Inquiry Upon any damage, fault or other problems, please contact our offices or service department with the following information: Inverter type Production No. Purchase date The inquiry may concern damage status, unknown reasons and faults.
  • Page 167 Instruction Manual of -S3 Inverter for Elevator Table 9.1 Items of periodic inspection Item Details Method Criteria Visual, ） ambient Confirm ambient temperature, therm temperature shall be humidity, vibration omete lower than 40℃, and existence of dust, corrosive gas, Operation ambient the humidity and other oil fog and water drop.

  • Page 169: Appendix A Electromagnetic Compatibility

    Instruction Manual of -S3 Inverter for Elevator Appendix A Electromagnetic Compatibility In this appendix, the EMC design and installation precautions are described in terms of noise restraint, wiring requirements, grounding, surge absorption of peripheral equipment, leakage current, installation areas, installation precautions, application of power filter, and treatment of radiation.
  • Page 170 Shanghai STEP Electric corporation A.1.2 Noise Transmission Figure A.2 shows noise transmission. Figure A.2 Noise transmission A.1.3 Basic Countermeasures for Noise Restraint The basic measures are listed in Table A.1.

  • Page 171: Wiring Requirements

    Instruction Manual of -S3 Inverter for Elevator Table 0.1 Basic countermeasures for noise restraint Cause Countermeasure 1. Avoid parallel or bunched signal line and power line; Peripheral equipment may take wrong actions due 2. Install sensitive equipment away from the Inverter; to noises transmitted along the signal line caused 3.
  • Page 172 Shanghai STEP Electric corporation Figure 0.1 Wiring requirements A.2.2 Cable cross-section area Since bigger cross-section area means higher capacitance and leakage current to the earth, the motor shall be used at a lower power when its cable has a big cross-section area to lower its output current (5% will be lowered with the reduction of one step pf the cross-section area).

  • Page 173: Grounding Method

    Instruction Manual of -S3 Inverter for Elevator Figure 0.3 Incorrect wiring to PE A.3 Grounding A.3.1 Grounding method Figure A.6 shows the grounding method. Figure 0.4 Grounding Among the four grounding methods shown above, (a) is the most preferable and is recommended.

  • Page 174: Grounding Precautions

    Shanghai STEP Electric corporation A.3.2 Grounding precautions ⑴ Cables with standard cross section area shall be used for grounding, to keep the grounding impedance as low as possible. Since the high-frequency impedance of flat cable is lower than that of round cable, flat cable shall be selected given the same cross-section area.

  • Page 175: Leakage Current And Countermeasures

    Instruction Manual of -S3 Inverter for Elevator A.5 Leakage Current and Countermeasures Figure A.8 shows that the leakage current will flow through the line capacitor and motor capacitor on the input and output sides of the Inverter, including the leakage current to earth and the leakage current between lines.

  • Page 176: Application Of Filter For Power Lines

    Shanghai STEP Electric corporation measures shall be taken at the cable entry, or the shielding may be invalidated. In Figure A.9, the cables in the shielded cabinet function as antenna receiving the radiation inside the cabinet and sending it to the outer space. In Figure A.10, the shield of the cable is connected to the cover at the exit and grounded, thus sending the radiation in the cabinet directly to the ground and avoiding its going out.

  • Page 177: Emc Installation Areas

    Instruction Manual of -S3 Inverter for Elevator A.7.1 Functions ⑴ The filter for power lines is a double-direction lowpass, which only allows direct current and 50Hz industry frequency current to go through, and blocks electromagnetic interferences with high frequencies. Therefore, it may prevent the electromagnetic interferences generated by itself from going into the power line, but also vice versa.
  • Page 178 Shanghai STEP Electric corporation Figure 0.7 EMC installation areas for the inverter Notes on the installation areas: : control circuit transformer, control devices, sensors, etc.. Ⅰ : control signals and interfaces, with a certain degree of interference resistance. Ⅱ Ⅲ n-line reactor, inverter, braking unit, contactor and other major noise sources.

  • Page 179: Precautions For Inverter Electric Installation

    Instruction Manual of -S3 Inverter for Elevator A.9 Precautions for Inverter Electric Installation Figure A.12 shows the electric installation of the inverter: Figure 0.8 Electric Installation of the inverter To meet EMC requirements, the following shall be noted during the installation: ⑴...
  • Page 180 Shanghai STEP Electric corporation the grounding terminal. The motor cable shield shall be connected to the grounded metal housing of the motor in a 360° ring when the motor end goes cross the terminal box. If it is too difficult, the shields may be braided and then flattened to connect the grounding terminal, with the width larger than 1/5 of the braid length.

  • Page 181: Appendix B Lists Of Function Parameters, Running

    Instruction Manual of -S3 Inverter for Elevator Appendix B Lists of Function Parameters, Running Status and Faults This appendix is a collection of the function parameter list, running status list and fault list for the convenience of reference and application of the Inverter. B.1 Function Parameter Function Name...
  • Page 182 Shanghai STEP Electric corporation Function Name Content Range Unit Default Remarks Code “10” during encoder identification). Set Inverter operation mode: 操作模式 0: multi-step speed control; 1: analog voltage input (AI1) control; 0 / 1 / 3 × 2: reserved; Operate Mode...
  • Page 183 Instruction Manual of -S3 Inverter for Elevator Function Name Content Range Unit Default Remarks Code =2: normal mode. mode 系统配置参数 For internal use. × System Parameter 低速同步电机 Speed of synchronous motors: ： 0: speed ≥ 100 rpm; × Low Speed 1: speed <...
  • Page 184 Shanghai STEP Electric corporation Function Name Content Range Unit Default Remarks Code PI Tune Parameters of the PI adjuster. Parameters Starting compensation proportion: 零速比例 P0 When E13 = 0 (without load device) and C02 (zero speed I0) > 100.00 0, effective during C14 (zero servo...
  • Page 185 Instruction Manual of -S3 Inverter for Elevator Function Name Content Range Unit Default Remarks Code speeds to medium speeds: used proportion integral Switch Freq. F1 switching from low to medium speed. Frequency switching point from 高速切换点 F2 medium speeds to high speeds: 15.00～...
  • Page 186 Shanghai STEP Electric corporation Function Name Content Range Unit Default Remarks Code Dwell Time Rated speed or max. speed, in 0.000～ 最高速度 1.750 m/s. 3.000 Top Speeed 曲线方式 Reserved. × Curve Mode Reference speed 0 under 速度参考 0 0.000 multi-step control, in m/s.
  • Page 187 Instruction Manual of -S3 Inverter for Elevator Function Name Content Range Unit Default Remarks Code Set slip frequency, in Hz: 转差频率 Slip frequency = (synchronous 0～10.00 1.40 speed － rated speed) × rated Motor Slip Freq. frequency ÷ synchronous speed. 载波频率...
  • Page 188 Shanghai STEP Electric corporation Function Name Content Range Unit Default Remarks Code signals; DI9 端口功能 10: NO input of base blocking DI9 Input Func. signals; DI10 端口功能 110: NC input of base blocking DI10 Input signals; Func. 11: NO input of output contactor DI11 端口功能...
  • Page 189 Instruction Manual of -S3 Inverter for Elevator Function Name Content Range Unit Default Remarks Code input port AI1. AI1 Offset AI1 模拟量增益 Analog gain of analog voltage input × 1.00 0～1.00 port AI1. AI1 Gain Filter time of the analog input by AI1 模拟量滤波...
  • Page 190 Shanghai STEP Electric corporation Function Name Content Range Unit Default Remarks Code 6: reserved 7: reserved 8: output current of phase-V 9: output current of phase-U 10: reserved 11: signal of analog input port 1(AI1) 12: signal of analog input port 2...
  • Page 191 Instruction Manual of -S3 Inverter for Elevator Function Name Content Range Unit Default Remarks Code Error Buffer14 故障记录 15 Recent error buffer 15 Error Buffer15 故障记录 16 Recent error buffer 16 Error Buffer16 故障记录 17 Recent error buffer 17 Error Buffer17 故障记录...
  • Page 192 Shanghai STEP Electric corporation Function Name Content Range Unit Default Remarks Code 速度标定处理 Speed scaling × =1: normal =2: half, where there is Speed Dev Scale heavy interference to the field encoder 电流环增益 2 Current loop gain 2 45~300 ×...
  • Page 193 Instruction Manual of -S3 Inverter for Elevator Function Name Content Range Unit Default Remarks Code 输出电流异常确认 Occurrences of abnormal ～ 次 5000 current output 65535 B11 < 60000: normal Surge Cur Times protection B11 >= 60000: protection disabled With the speed given ×...
  • Page 194 Shanghai STEP Electric corporation Function Name Content Range Unit Default Remarks Code Whether to check the 0 / 1 × 检测制动单元标志 braking unit at first power BrakingUnit Flag 0: no checking 1: checking Auto reset times 故障自动复位次数 0～10 次 Auto Reset Times When given the speed 编码器断线保护阀值...
  • Page 195 Instruction Manual of -S3 Inverter for Elevator Function Name Content Range Unit Default Remarks Code AI2 输入电压 Monitor analog voltage input × × 2, in V. Ai2 Voltage AI3 输入电流 Monitor analog current input, × × in mA. Ai3 Current Display status of digital input 输入...

  • Page 197: Appendix C Conformities Of The Inverter

    Instruction Manual of -S3 Inverter for Elevator Appendix C Conformities of the Inverter 1. European low voltage directives -S3 Inverter conforms to low voltage standards in 73/23/EEC and the revised 98/68/EEC. The Inverter also meets the requirements of the following standard: EN61800-5-1: Adjustable Speed Electrical Power Drive Systems Part 5-1: Safety Requirements - Electrical, Thermal and Energy.
  • Page 199 Electronic wastes may not be disposed with general domestic wastes. Please contact local organizations of disposal or environmental protection for suggestions concerning the treatment of electronic wastes. Shanghai STEP Electric corporation...

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