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STEP ME800 Series User Manual

High voltage inverter
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ME800
High-voltage Inverter Operation Instruction
Shanghai Sigriner STEP Motor Co., Ltd
ME800 Series High Voltage Inverter
User Manual
Shanghai Sigriner STEP Electric Co.,Ltd
Shanghai, China
1560# Siyi Road, Jiading district, Shanghai
Postcode：201801
Hotline：400-821-0325
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  • Page 1 ME800 High-voltage Inverter Operation Instruction Shanghai Sigriner STEP Motor Co., Ltd ME800 Series High Voltage Inverter User Manual Shanghai Sigriner STEP Electric Co.,Ltd Shanghai, China 1560# Siyi Road, Jiading district, Shanghai Postcode：201801 Hotline：400-821-0325...
  • Page 2 ME800 Series High Voltage Inverter Release state： Standard Product version： V3.0 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 any...
  • Page 3 High-voltage Inverter Operation Instruction Foreword ME800 series high voltage inverter is a new kind of inverter designed and manufactured by Shanghai Sigriner STEP Electric Co., Ltd. The ME800 series high voltage inverter meets the social requirements for energy saving and emission reduction. Thank you for your choice to use our inverter.
  • Page 4 Shanghai Sigriner STEP Electric Co., Ltd. Incorrect use can cause physical injury even death and damage to the equipment. Incorrect use may cause minor/severe personal injury and damage to the equipment Important User must observe important notices.

  • Page 5: Table Of Contents

    ME800 High-voltage Inverter Operation Instruction Contents CHAPTER Ⅰ NOTICE FOR INVERTER USE ..................1 1.1 S ..........................1 AFETY NOTICE 1.2 O ..........................3 UT OF BOX AUDIT 1.3 D ....................3 ESCRIPTION OF INVERTER MODEL 1.4 D ................... 3 ESCRIPTION OF INVERTER NAMEPLATE 1.5 D ......................
  • Page 6 Shanghai Sigriner STEP Electric Co., Ltd. 3.1 A ......................... 1 CCEPTANCE CHECK 3.2 H ............................1 ANDLING 3.3 I ............................ 3 NSTALLATION 3.3.1 Requirements of operating environment ................3 3.3.2 Requirement of cabinet space ....................3 3.3.3 Installation of cooling fan ......................4 3.4 W...
  • Page 7 ME800 High-voltage Inverter Operation Instruction 7.2.1 System fault and solutions ..................... 1 7.2.2 Unit fault and solutions ......................8 7.2.3 Bypass fault and solutions ....................10 7.2.4 Other faults and solutions..................... 10 CHAPTER Ⅷ COMMUNICATION PROTOCOL ................. 1 8.1 F ....................

  • Page 9: Chapter Ⅰ Notice For Inverter Use

    ME800 High-voltage Inverter Operation Instruction Chapter Ⅰ Notice for Inverter Use 1.1 Safety notice Important  To ensure correct use, contents in this instruction must be known well before installation, wiring, operation and maintenance inspection. Conditions of the machines driven and the process as well as all related safety notices also should be understood during use.
  • Page 10 Shanghai Sigriner STEP Electric Co.,Ltd shall be slow and gentle.  When moving, transporting and placing the equipment, its placement location shall be level and smooth.  Don’t install inverter or put it into operation when its components are damaged.

  • Page 11: Out Of Box Audit

    ME800 High-voltage Inverter Operation Instruction 1.2 Out of box audit Do not install inverter with damaged or missing parts, or it may cause fire and human injury hazards. When unpacking, please confirm carefully that there is damage during transportation, and that model and specification in the nameplate is consistent with order requirement.

  • Page 12: Discard As Useless Notice

    Shanghai Sigriner STEP Electric Co.,Ltd 1.5 Discard as useless notice A discard as useless inverter needs to be handled as industrial refuse. 1.5.1 Capacitor handling Electrolytic capacitors in main circuit and printed circuit board may explode while burning. It is prohibited to burn them.

  • Page 13: Chapter Ⅱ Overview Of Inverter

    As a new generation of high-high voltage inverter designed and manufactured by our company, ME800 series HV inverter is able to suppress input harmonic current at the network side by the shift-phase rectify transformer, and realize voltage overly by cascading multistage H bride power unit, so as to obtain the perfect high voltage sine wave output.

  • Page 14: Low Output Harmonic

    Fig.2-2 Input 3-phase current total harmonic 2.1.2 Low output harmonic Output side of ME800 series high voltage inverter uses phase-shift multiple pulse width modulation technology with very small output harmonic, which is applicable to various motors without any output filter device. Because of low output voltage distortion degree and good sine degree of wave form, motor has low noise, small torque ripple and low heat productivity, therefore scope of output cable length is wide.

  • Page 15: High Power Factor

    High-voltage Inverter Operation Instruction 2.1.3 High power factor ME800 series high voltage inverter belongs to the constant voltage type, which will keep high power factor within full speed range, and its full load power factor can be over 0.95, so as to reduce low equipment utilization rate of the user power transformer and power factor compensation problem of the user side caused by low power factor.

  • Page 16: Alarm And Fault Protection Function

    2.1.9 Soft start ME800 series high voltage inverter has the feature of soft start. Start time is set by user, with the built-in functions of acceleration, overcurrent and speed limit to control impact current of motor start, guarantee safe operation of motor and lengthen its service life.

  • Page 17: Friendly Human-Machine Interface

    High-voltage Inverter Operation Instruction 2.1.12 Friendly human-machine interface ME800 series high voltage inverter human-machine interface adopts touch screen and digital keyboard, with the rich functions of setting, display and operating, as well as friendly human-machine interface. Users can conveniently understand the running status message of system via human-machine interface, and control high voltage inverter as required by process control.

  • Page 18: Acceleration And Deceleration Protection Function

    V/F parameters adopting the relevant parameter. 2.2.6 Configuration of Programmable User Terminal ME800 series high voltage inverter provides rich terminal functions for users, in addition, it may expand these I/O terminals as the user’s actual needs. The terminals may be programmable...

  • Page 19: Real Time Monitoring Function For Operating Parameters

    Profibus-DP (selective configuration) communication interface. The user may control and set inverter with his own system via protocol. 2.3 Composition and working principle of inverter 2.3.1 Composition The standard configuration of ME800 series inverter cabinet is different, which is based on the...
  • Page 20 Shanghai Sigriner STEP Electric Co.,Ltd inverter, model and quantity of units as well as other factors. But it is generally composed of the following cabinet:  Transformer cabinet  System control cabinet  Power unit cabinet  System bypass cabinet(selective configuration) ...
  • Page 21 ME800 High-voltage Inverter Operation Instruction Fig.2-6 Inside of transformer cabinet 2.3.1.2 System control cabinet System control part is included in the control cabinet whose doors can be opened during operation. This part mainly includes: master control system formed by microprocessor (ARM) and site programmable logic gate array (FPGA), acquisition system of inverter status signal as well as low voltage power supply system composed of UPS and switch power supply.
  • Page 22 Shanghai Sigriner STEP Electric Co.,Ltd Fig.2-7 Inside of power unit cabinet Fig.2-7 Inside of power unit cabinet 2.3.1.4 System bypass cabinet (selective configuration) Users can select the bypass function according to practical application of the field. The main part of the system bypass is the system bypass cabinet. The main function of the system bypass is to let motor directly connect to the common frequency power network to ensure the continuity of production and improve system stability, when the inverter has faults.

  • Page 23: Working Principle

    Fig.2-8 Principle diagram of high voltage inverter system(6KV as an example) Fig.2-8 shows the typical circuit topological graph of 6KV ME800 series inverter which adopts 690V power unit. Each phase of the motor is driven by 5 power units in series, with phase...
  • Page 24 Shanghai Sigriner STEP Electric Co.,Ltd voltage 5*690=3450V and line voltage 3450*1.732=6000V. Star connection is adopted for serial mode, with floating neutral point. Each unit is supplied by isolation secondary winding of an isolation transformer. Unit input voltage is 690VAC and power is 1/15 of total power. As figure 2-8 shows Insulation class among A, B, C three - phase power unit and each unit apart from the ground is 6kV.
  • Page 25 ME800 High-voltage Inverter Operation Instruction unit, at the same time collect the real time message from power unit, which is switched into electric signal to transfer to the master control board. Therefore the master will take control actions timely. Signal collection board is used to collect current signal and voltage signal from input and output side, and then transfer them to the master control board after data processed.
  • Page 26 2.4 The technical parameters of the ME800 series high-voltage inverter Table 2-1 gives the technical parameters of the ME800 series high-voltage inverter. Table 2-1 Public Specifications of standard ME800 inverter Item Description...

  • Page 27: Specifications And Dimensions

    The following technical indicators contain all information on electrical model selection and cabinet dimensions of ME800 series high voltage inverter, which can be as an important reference for your selection. If the information has been updated, you can contact the marketing.

  • Page 28: Shanghai Sigriner Step Electric Co.,Ltd

    (Including the start 2500 2000 ME800-2000-T03-PA cabinet size) 3150 2500 ME800-2500-T03-PA Note：Configure startup cabinet if the power is greater than 900kW. Please contact with Shanghai Sigriner STEP Motor Co., Ltd about the selection of load, if the power is greater than 2500kW.
  • Page 29 ME800 High-voltage Inverter Operation Instruction Table 2-3 6kV ME800 high-voltage inverter specifications and dimensions table Inverter Rated Adaptive motor Product type Overall dimensions capacity current [A] [kW] (W×D×H)[mm] [kVA] ME800-0280-T06-PA ME800-0355-T06-PA 2900×1500×2667 ME800-0400-T06-PA ME800-0500-T06-PA ME800-0560-T06-PA ME800-0630-T06-PA ME800-0710-T06-PA 2900×1500×2707 1000 ME800-0800-T06-PA 1120 ME800-0900-T06-PA 1250...
  • Page 30 Shanghai Sigriner STEP Electric Co.,Ltd Note：Configure startup cabinet if the power is greater than 1800kW. Please contact with Shanghai Sigriner STEP Motor Co., Ltd about the selection of load, if the power is greater than 5000kW. Table 2-4 10kV ME800 high-voltage inverter specifications and dimensions table...
  • Page 31 ME800-7100-T10-PA (Including the start cabinet size) 10000 8000 ME800-8000-T10-PA Note：Configure startup cabinet if the power is greater than 2500kW. Please contact with Shanghai Sigriner STEP Motor Co., Ltd about the selection of load, if the power is greater than 8000kW.

  • Page 33: Acceptance Check

    ME800 High-voltage Inverter Operation Instruction Chapter Ⅲ Installation and Wiring 3.1 Acceptance check The correct acceptance check procedure is formed by:  Check the shipping list and confirm the equipment to be complete;  Check the possible damage during transportation; ...
  • Page 34 Rope must passes through the proper forklift hole when it is used for hoisting. Center of hoisting and center of gravity of the inverter will be identical as far as possible. Center of gravity of the integrated STEP HV inverter is close to the transformer cabinet’s, other than geometric center.

  • Page 35: Installation

    Be careful that the cabinet surface won’t be damaged by forklift and it is better to use a wood baffle at corner of the relieved teeth, shown in Fig.3-2. Center of gravity of the STEP inverter cabinet is close to the middle of front and rear panel.

  • Page 36: Installation Of Cooling Fan

    Shanghai Sigriner STEP Electric Co.,Ltd space must meet the national requirement. On purpose of reducing the ambient temperature further, the user can install the centralized ventilation air duct to lead hot air outdoor directly via the air duct after it passes the centrifugal fan.
  • Page 37 ME800 High-voltage Inverter Operation Instruction System ground Shift-phase HV 3-phase input rectify Power transformer unit motor Control power Analog input 1 Remote start Current 4-20mA or voltage 0-10V Remote stop Analog input 2 Remote fault reset Current 4-20mA Digital input Analog input or voltage 0-10V User defined...
  • Page 38 Shanghai Sigriner STEP Electric Co.,Ltd Control power phase B which should connect to the terminal block TBPIN. Control power phase C Control power zero line There are 3 groups of ± ５％ voltage taps on the left of the transformer to compensate for power voltage, but ＋0％...

  • Page 39: Chapter Ⅳ Touch Screen

    Chapter Ⅳ Touch Screen 4.1 Introduction of touch screen Touch screen of ME800 series high voltage inverter is the operation interface between the inverter and the user. It can monitor the run status and unit status; adjust parameters; refer the fault record and event record.
  • Page 40 Shanghai Sigriner STEP Electric Co.,Ltd Fig.4-1 Main interface1 of touch screen Fig.4-2 Main interface2 of touch screen 【Main interface】See Table 4-1 for the key functions.
  • Page 41 Table 4-1 Key functions of inverter main interface Name Functions Given Move the slider to change the command freq, and the step size is 1. Move left frequency to decrease and right to add. The max value is 100. Accelerating Increase speed value, it will change 0.5Hz every time.

  • Page 42: Password Login Interface Of Touch Screen

    Shanghai Sigriner STEP Electric Co.,Ltd  Inspect light: Its color is lime when the system is inspecting, white to other status.  Normal light: Its color is lime when the system is normal, white to other status.  Fault light: Its color is yellow when the system is on alarm status, red to fault status, white to other status.

  • Page 43: Password Modify Interface Of Touch Screen

    ME800 High-voltage Inverter Operation Instruction Modification Enter the password change interface. Password can only be modified after correct login. Exit key Exit from the current interface and return to the main interface. 4.2.3 Password modify interface of touch screen Password modification interface is used to modify the password, which will be valid after successful password login and stopping the inverter.
  • Page 44 Shanghai Sigriner STEP Electric Co.,Ltd  Power unit Power unit interface monitors the bus voltage, temperature, capacitor voltage and fault status of the power unit. It will appear different sign according to fault status. It will sign ‘＊’ under the corresponding fault type when the status is alarm, and sign ‘★’...
  • Page 45 ME800 High-voltage Inverter Operation Instruction output1 is defined “Fault”, while the current status is not fault status, then there is no ‘*’ after the definition. See the Fig.4-6. Fig.4-6 IO status interface of touch screen 【IO status】See Table 4-5 for key functions. Table 4-5 Functions of IO status keys of inverter Name Functions...
  • Page 46 Shanghai Sigriner STEP Electric Co.,Ltd Fig.4-7 System status interface of touch screen 【system status】See Table 4-6 for key functions. Table 4-6 Functions of system status keys of inverter Name Functions Set key Set the system RTC. Clear key Reset the related system value.

  • Page 47: Record Interface

    ME800 High-voltage Inverter Operation Instruction 4.2.5 Record interface It contains fault record, event record, history fault record and history event record.  Fault record interface The fault record interface will display the latest fault information of system which is up to 254. Each fault record contains these messages: fault number, fault grade, fault name, input voltage, output current, current frequency, user defined information and its data, fault time.
  • Page 48 Shanghai Sigriner STEP Electric Co.,Ltd Fig.4-9 Export fault records 【fault record】See Table 4-7 for key functions. Table 4-7 Functions of fault record keys of inverter Name Functions Refresh Refresh the fault records. Clear the current fault records, but the information can be recorded in historical Clear key event database before resetting.
  • Page 49 ME800 High-voltage Inverter Operation Instruction Fig.4-10 Event record interface of touch screen 【event record】See Table 4-8 for key functions. Table 4-8 Functions of event record functions of inverter Name Functions Refresh Refresh event records. Clear the current fault records, but the information can be recorded in historical Clear key event database before resetting.
  • Page 50 Shanghai Sigriner STEP Electric Co.,Ltd Fig.4-11 History fault record interface of touch screen 【history fault record】See Table 4-9 for key functions. Table 4-9 Functions of history fault record functions of inverter Name Functions Previous Go to the previous fault record page.

  • Page 51: Parameter Setting Interface Of Touch Screen

    ME800 High-voltage Inverter Operation Instruction every 20 hours or after clearing, the maximum is 10000. All the event records can divide into few pages, and each page will display 200 records. The records can display in order and the latest record will display in front. Fig.4-12 History fault record interface of touch screen 【history event record】See Table 4-10 for key functions.
  • Page 52 Shanghai Sigriner STEP Electric Co.,Ltd view the backup parameters.  System parameter browse interface Fig.4-13 Parameter browse interface of touch screen  System parameter setting interface Fig.4-14 Parameter setting interface of touch screen 【system parameters】See Table 4-11 for key functions.
  • Page 53 ME800 High-voltage Inverter Operation Instruction Table 4-11 Functions of system parameter keys of inverter Name Functions Modification Confirm parameter modification. Parameter modification is valid only in stop state. Refresh key Read this kind of parameters which are read unsuccessfully before. Load key Reread this kind of parameters.
  • Page 54 Shanghai Sigriner STEP Electric Co.,Ltd Fig.4-15 Backup parameter interface of touch screen 【backup parameters】See Table 4-12 for key functions. Table 4-12 Functions of backup parameter keys of inverter Name Functions Load key Reread this kind of backup parameters which read unsuccessfully before.

  • Page 55: Sop Setting Interface

    ME800 High-voltage Inverter Operation Instruction 4.2.7 SOP setting interface  Local setting In this interface you can set inverter number, unit number, baud rate, voltage direction, backup parameters display, display grade, and they have been set in factory, most of them do not need to use.
  • Page 56 Shanghai Sigriner STEP Electric Co.,Ltd Hiding the Backup Choose whether to hide the backup parameter page or not, the default is backup parameter hidden status. parameter Select the display grade of parameters and backup parameters. Display Display grade Parameters can display different contents according to the different...
  • Page 57 ME800 High-voltage Inverter Operation Instruction Table 4-14 Functions of SOP setting keys of inverter Name Functions Previous Display SOP value of the previous page. page Refresh Refresh SOP value of the current page. Setting Set the defined SOP value. Reset key Reset SOP value of the fault to default.

  • Page 59: Chapter Ⅴ Function Parameter Table

    ME800 High-voltage Inverter Operation Instruction Chapter Ⅴ Function Parameter Table This chapter lists all the parameters and related information about the inverter in detail for reference. If you need to use advanced application, please contact our technical service department. 5.1 Functional group classification The parameters are classified by group, and Table 6-1 has lists the function group classifications.
  • Page 60 Shanghai Sigriner STEP Electric Co., Ltd. channel 1: Terminal selection 2: Modbus 3: Profibus 0: Panel target speed reference 0~22 Speed × 1: Digital multi-velocity target channel speed reference selection 2: Analog multi-velocity target speed reference 3: Analog1 target speed...

  • Page 61: Adjustment Parameters

    ME800 High-voltage Inverter Operation Instruction 21: Profibus reference 22:Inching Direction 0: Panel × channel 1: Terminal selection 2: Modbus 3: Profibus 5.2.2 Adjustment parameters 5.2.2.1 S Curve parameters Name Content Setting range Unit Factory setting Remark 2~655.35 Acceleration Set the acceleration time from 2dot time T0 0Hz to 50 Hz.

  • Page 62: Frequency Control Parameters

    Shanghai Sigriner STEP Electric Co., Ltd. current Motor rated Set the motor rated 0~60 2dot frequency frequency 1483 Motor rated Set the motor rated speed 0~65535 0dot speed 6000 Motor rated Set the motor rated voltage 0~65535 0dot voltage Number of...

  • Page 63: Terminal Function Parameters

    ME800 High-voltage Inverter Operation Instruction -speed 7 corresponding to the speed 7. Digital multi Set the frequency 0~60 2dot corresponding to the speed 8. -speed 8 Digital multi Set the frequency 0~60 2dot corresponding to the speed 9. -speed 9 Digital multi Set the frequency 0~60...
  • Page 64 Shanghai Sigriner STEP Electric Co., Ltd. 150℃ is 0,default is 1. 11: Fan fault is 1, default is 0. 12: Unit fan thermal relay trip is 1, default is 0. 13: External ready signal for 1 is valid, default is 1.
  • Page 65 ME800 High-voltage Inverter Operation Instruction 32: User input 4 for 1 is valid, default is 0. 33: User input 5 for 1 is valid, default is 0. 34: User input 6 for 1 is valid, default is 0. 35: User input 7 for 1 is valid, default is 0.
  • Page 66 Shanghai Sigriner STEP Electric Co., Ltd. 51: Remote emergency stop for 0 is valid, default is 1. 52: Vacuum contactor K1 feedback for 0 is closed, 1 is open. 53: Vacuum contactor K2 feedback for 0 is closed, 1 is open.
  • Page 67 ME800 High-voltage Inverter Operation Instruction 65: Manual knife switch motor1 feedback for 1 is valid, default is 0. 66: Manual knife switch motor2 feedback for 1 is valid, default is 0. 67: Local and remote selection for 1 is remote control, 0 is local control and default is 0.
  • Page 68 Shanghai Sigriner STEP Electric Co., Ltd. 86~128: Reserve The same as digital input0 0~128 × Function definition of digital input1 0~128 × Function The same as digital input0 definition of digital input2 0~128 × Function The same as digital input0...
  • Page 69 ME800 High-voltage Inverter Operation Instruction definition of digital input13 0~128 × Function The same as digital input0 definition of digital input14 0~128 × Function The same as digital input0 definition of digital input15 Function The same as digital input0 0~128 ×...
  • Page 70 Shanghai Sigriner STEP Electric Co., Ltd. 5.2.5.2 Digital output parameters Name Content Setting range Unit Factory setting Remark 0:Undefined 0~128 × Function 1: If the system is ready to run, definition of then output 1, else output 0. digital 2: If the system has occurred...
  • Page 71 ME800 High-voltage Inverter Operation Instruction emergency cut-off 17: Reserve 18: Reserve 19: One trailer four first variable frequency cutting-in, 1 means that the variable frequency has connected. 20: One trailer four first power frequency cutting-in, 1 means that the power frequency has connected.
  • Page 72 Shanghai Sigriner STEP Electric Co., Ltd. valid, default is 0. 32: User-defined output 6, 1 is valid, default is 0. 33: User-defined output 7, 1 is valid, default is 0. 34: User-defined output 8, 1 is valid, default is 0.
  • Page 73 ME800 High-voltage Inverter Operation Instruction default is 0. 49: System state detection 4, default is 0. 50: Cut-in K1 (grid cut-in inverter), pulse signal. 51: Disconnect K1 (grid disconnect inverter), pulse signal. 52: Cut-in K2 (grid cut-in inverter), pulse signal. 53: Disconnect K2 (grid disconnect inverter), pulse signal...
  • Page 74 Shanghai Sigriner STEP Electric Co., Ltd. start, default is 0. 67: Cabinet top fan3, 1 means start, default is 0. 68: Cabinet top fan4, 1 means start, default is 0. 69: Cabinet top fan5, 1 means start, default is 0.
  • Page 75 ME800 High-voltage Inverter Operation Instruction Function The same as digital input0 0~128 × definition of digital output8 Function The same as digital input0 0~128 × definition of digital output9 Function The same as digital input0 0~128 × definition of digital output10 Function The same as digital input0...
  • Page 76 Shanghai Sigriner STEP Electric Co., Ltd. Function 0: Undefined × If analog quantity definition of outputs 1, the 1: Target speed input analog input default is 1; The 2: Current speed input default is 0 for 3: Torque input others.

  • Page 77: Expand Parameters

    ME800 High-voltage Inverter Operation Instruction 76:Input current Offset of 0~6553.5 The lower limit value of the analog setting target function output 1~9 Gain of 0~6553.5 The upper limit value of the Analog setting target function output 1~9 gain 5.2.6 Expand parameters 5.2.6.1 Encoder parameters Name Content...

  • Page 78: Display Parameters

    Shanghai Sigriner STEP Electric Co., Ltd. communicati on fault 5.2.7 Display parameters 5.2.7.1 Inverter information parameters Name Content Setting range Unit Factory setting Remark Inverter Inverter rated power 0~6553.5 rated power Inverter Inverter rated current 0~600 rated current Inverter Inverter rated voltage...

  • Page 79: Chapter Ⅵ Debugging Procedures

    In this chapter, we assume that the inverter has been correctly installed. Debugging procedures of ME800 series high voltage inverter must be executed under the guide of our professionals or refer to the debug file from our company. Functional testing, debugging and parameter setting must be strictly based on the related regulations and HV inverter user manual of our company.

  • Page 80: Pre-Power Visual Inspection

    Shanghai Sigriner STEP Electric Co., Ltd. Note: Proper inverter setup will require the use of a DC voltmeter, an AC voltmeter and a dual trace oscilloscope for testing purpose. In addition, a 3-phase voltage regulator is required. Electrical hazard! The steps outlined in the following procedure could cause serious injury or death if the inverter has not been properly installed and checked.

  • Page 81: Insulation Resistance Inspection

    6.3 Insulation resistance inspection Inspection of insulation resistance must be the last step before power on, to ensure that there is no obvious time interval after insulation test. Insulation resistance of the related circuit must be measured, and the result shall satisfy the requirements in Table 6-2.

  • Page 82: Power Unit And Communication Testing

    6.4 Power unit and communication testing The test can be performed with a 3-phase voltage regulator (0-380V adjustable, capacity of is more than 10 KVA) and a PC/portable computer with optional STEP touch screen. Voltage can be supplied to all units.

  • Page 83: Test On The Inverter Without Motor

    6.5 Test on the inverter without motor The following steps verify operation of the inverter (without motor). Table 6-4 Test on the inverter without motor Step Description Lock all doors to the units and transformer cabinets. Re-energize the AC control power.

  • Page 84: Test On The Inverter With Motor

    Shanghai Sigriner STEP Electric Co., Ltd. Set “control mode parameter (P01.00) as 0 (VF control) and “VF modulation ratio parameter (P15.15) as 1.0. Then input 50Hz speed command and start the inverter. Observe wave form of output voltage with oscilloscope, to confirm that it is normal.
  • Page 85 ME800 High-voltage Inverter Operation Instruction Name Unit Factory setting Start mode selection × 4) Verify stop parameter P14 as the following default value, , can be modified according to need: Name Unit Factory setting Parking mode selection × 5) Verify that general parameters are accordance with the motor nameplate. 6) Modify default values of the frequency limit parameters according to the need.

  • Page 86: Important Parameters Setup Instructions

    100% ; Step 2. When analog given is 4mA , if the interface given frequency is not 0, then reduce “the analog input bias” parameters; if the interface given frequency is 0, then increase “the analog input bias”...

  • Page 87: Frequency Hopping Function Description

    ME800 High-voltage Inverter Operation Instruction correctly (Corresponding to the target frequency of 25 Hz or so). Analog output debugging  IO board analog output current frequency Setting analog output channel 1 function to 6, offset is set to 50%, gain is set to 50%(the channel is ±...

  • Page 89: Chapter Ⅶ Alarm Information And Fault Processing

    ME800 High-voltage Inverter Operation Instruction Chapter Ⅶ Alarm Information and Fault Processing ME800 high-voltage inverter has complete alarm and fault protection functions. The faults can be categorized as cell faults, system faults, bypass faults and other faults. Fault function: The system can clearly indicate the fault and automatically execute the actions of power cell bypass, safety stop and even cutting off the high-voltage input in accordance with the fault level.
  • Page 90 Shanghai Sigriner STEP Electric Co., Ltd. 3. Motor stall or the sudden load increase capacity. changes too large. 4. Select the matching motor. 4. Inverter does not match the motor power. 1. Check the “Motor rated current Input side 1. The valid value of input parameter (P20.02)”.
  • Page 91 ME800 High-voltage Inverter Operation Instruction overcurrent 2. Load inertia torque is large. 2. The VF low frequency compensation 3. The parameter is set wrongly. is set as 110%. 3. Check the “Motor rated current 4. The output current detection parameter”, "Inverter rated current line has problems.
  • Page 92 Shanghai Sigriner STEP Electric Co., Ltd. Alarm/Fault 1. Communication interface is 1. Check the communication interface. communication loose. 2. Use the twisted pair and connect the fault 2. Communication wiring is not CANH. CANL. and GND. standard. communication Baud rate is set wrong.
  • Page 93 ME800 High-voltage Inverter Operation Instruction signal wire connects the IO sunlight and so on). board wrongly. 3. Check the control cable shield for correct grounding. 4. Seek the technical service. Transformer fan Alarm Fan overheating causing fan 1. Check whether the fan is reverse or is thermal relay trip thermal relay trip locked-rotor.
  • Page 94 Shanghai Sigriner STEP Electric Co., Ltd. Environment Alarm/Fault Environment temperature is too Open the refrigeration equipment. overheating high Cooling circuit fault Check the cooling circuit. Electric detection circuit Check whether the circuit is abnormal abnormal. according to the electric drawing.
  • Page 95 ME800 High-voltage Inverter Operation Instruction External 380V Alarm Loss of the external 380 power Verify that the external 380 power lose. power fault 380V power supply fault signal Check the signal wiring. wire dropping Power frequency Alarm/Fault Power frequency sequence is Verify the phase sequence consistency phase sequence inconsistent...

  • Page 96: Unit Fault And Solutions

    Shanghai Sigriner STEP Electric Co., Ltd. 7.2.2 Unit fault and solutions Table 7-2 Unit fault and solutions Fault name Type Possible reasons Solutions Unit short circuit fault Fault Unit output short circuit Check the unit and replace the damaged unit.
  • Page 97 ME800 High-voltage Inverter Operation Instruction Upward optical fiber fault Fault Optical fiber connector is Replace the optical if the light (Unit sent it to the master /Alarm loose. is abnormal compared with the control) others. Unit fault Replace the drive board or unit. Unit does not power on Check whether...

  • Page 98: Bypass Fault And Solutions

    Shanghai Sigriner STEP Electric Co., Ltd.  If the unit bypass is disabled, the system will block PWM and report the fault information, meanwhile, the system stops when unit has occurred fault.  If unit bypass is enabled, the system will bypass this unit and run in dated capacity.

  • Page 99: Chapter Ⅷ Communication Protocol

    ME800 High-voltage Inverter Operation Instruction Chapter Ⅷ Communication Protocol 8.1 Function and address of Modbus 8.1.1 Explanation Note: Please Write 0 to the unused bits or registers; Do not write any value to the reserved bits or registers.  If WORD is took as unit and 0 is the start address, the way of calculating register address is as follows: Register address of Modbus = register address Bit address of Modbus = register address * 16 + bit number (n) (n=0, …,15)
  • Page 100 Shanghai Sigriner STEP Electric Co., Ltd  Function code “5”:Write coil state (write command bit register)  Function code “2”:Read Input state (read state bit register)  Function code “4”:Read Input register (read state word register) 8.1.2.2 Communication protocol Master send...
  • Page 101 ME800 High-voltage Inverter Operation Instruction bit1 1：Self-check Reset 0：Invalid bit2 1：Reset Fault 0：Invalid bit3 Reserved bit4 Reserved bit5 Reserved Bit6 1：Reset Units 0：Invalid Bit7 1：Rest Bypass Board 0：Invalid bit15~8 Reserved Multi-function Output Ports# (For User) bit0 1：DO0 ON 0：OFF bit1 1：DO1 ON 0：OFF bit2 1：DO2 ON 0：OFF...
  • Page 102 Shanghai Sigriner STEP Electric Co., Ltd bit4~bit15 Reserved Target Torque (0.1%, based on the rated torque of motor), signed number. 0208H 8.1.2.4 State data【Register 4】 【Bit2】 Read only. Content Register address Inverter state bit0 1：Self-check bit1 1：Alarm bit2 1：Fault bit3 1：Unit bypass...
  • Page 103 ME800 High-voltage Inverter Operation Instruction Power factor 000CH Reserved 000DH~004CH State of input port (32) bit0 1： DI0 ON 0：OFF bit1 1： DI1 ON 0：OFF bit2 1： DI2 ON 0：OFF bit3 1： DI3 ON 0：OFF bit4 1： DI4 ON 0：OFF 004DH~004EH bit5 1：...

  • Page 104: Profibus Protocol

    Shanghai Sigriner STEP Electric Co., Ltd Bit 0 indicates the state of unit A1, 1 means A1 in unit bypass state, while 0 means A1 in normal state; Bit n indicates the state of unit An, 1 means An in unit bypass state, while 0 means An in normal state;...
  • Page 105 ME800 High-voltage Inverter Operation Instruction bit3 Reserved bit4 Reserved bit5 Reserved bit6 1： Reset Unit 0： Invalid bit7 1： Reset Bypass Boar 0： Invalid bit8~15 Reserved Multi-function Output Ports# (For User) bit0 1：DO0 ON 0：OFF bit1 1：DO1 ON 0：OFF bit2 1：DO2 ON 0：OFF bit3 1：DO3 ON 0：OFF...

  • Page 106: State Word

    Shanghai Sigriner STEP Electric Co., Ltd 8.2.2 State word WORD Contents Inverter state bit0 1：Self-check bit1 1：Alarm bit2 1：Fault bit3 1：Unit bypass WORD 1 bit4 1：System bypass bit5 1：Remote control 0：Local control bit6 1：Closed loop control 0：Open loop control bit7 1：EEPROM Initialization...
  • Page 107 ME800 High-voltage Inverter Operation Instruction bit2 1： DI2 ON 0：OFF bit3 1： DI3 ON 0：OFF bit4 1： DI4 ON 0：OFF bit5 1： DI5 ON 0：OFF bit6 1： DI6 ON 0：OFF bit7 1： DI7 ON 0：OFF bit8 1： DI8 ON 0：OFF bit9 1：...
  • Page 108 Shanghai Sigriner STEP Electric Co., Ltd bit13 1： DO13 ON 0：OFF bit14 1： DO14 ON 0：OFF bit15 1： DO15 ON 0：OFF bit16 1： DO16 ON 0：OFF bit17 1： DO17 ON 0：OFF bit18 1： DO18 ON 0：OFF bit19 1： DO19 ON 0：OFF...
  • Page 109 ME800 High-voltage Inverter Operation Instruction Bit 6 indicates the mode of system bypass (1 means test mode, 0 means work mode) Bit 7 indicates the emergency stop state of system (1 means emergency stop state) Bit8~bit15 reserved WORD 26 Target torque (0.1%, based on the rated torque of motor), signed number WORD 27 Output torque (0.1%, based on the rated torque of motor), signed number...

  • Page 111: Appendix A Fault List

    ME800 High-voltage Inverter Operation Instruction Appendix A Fault List Fault Code Fault Type Fault Code Fault Type A1 Short circuit fault C6 Short circuit fault A2 Short circuit fault C7 Short circuit fault A3 Short circuit fault C8 Short circuit fault A4 Short circuit fault C9 Short circuit fault A5 Short circuit fault...
  • Page 112 Shanghai Sigriner STEP Electric Co., Ltd. C1 Overvoltage fault B10 Overheating fault C2 Overvoltage fault C1 Overheating fault C3 Overvoltage fault C2 Overheating fault C4 Overvoltage fault C3 Overheating fault C5 Overvoltage fault C4 Overheating fault C6 Overvoltage fault C5 Overheating fault...
  • Page 113 ME800 High-voltage Inverter Operation Instruction B9 Voltage sharing fault B8 Upstream optical fiber fault B10 Voltage sharing fault B9 Upstream optical fiber fault C1 Voltage sharing fault B10 Upstream optical fiber fault C2 Voltage sharing fault C1 Upstream optical fiber fault C3 Voltage sharing fault C2 Upstream optical fiber fault C4 Voltage sharing fault...
  • Page 114 Shanghai Sigriner STEP Electric Co., Ltd. B7 Downstream optical fiber fault Output phase imbalance B8 Downstream optical fiber fault Output over voltage B9 Downstream optical fiber fault CAN Communication fault B10 Downstream optical fiber fault Manual operation communication fault C1 Downstream optical fiber fault...
  • Page 115 ME800 High-voltage Inverter Operation Instruction Output over current Environment overheating Output phase loss Humidity too large Output ground fault RTC fault Output open circuit Modbus communication fault Output instantaneous over current Analog disconnection fault Profibus communication fault B4PWM Blockade fault Input power failure B5PWM Blockade fault Vacuum contactor K1 fault...
  • Page 116 Shanghai Sigriner STEP Electric Co., Ltd. A2PWM Blockade fault A1PWM Open fault A3PWM Blockade fault A2PWM Open fault A4PWM Blockade fault A3PWM Open fault A5PWM Blockade fault A4PWM Open fault A6PWM Blockade fault A5PWM Open fault A7PWM Blockade fault A6PWM Open fault...
  • Page 117 ME800 High-voltage Inverter Operation Instruction C10PWM Open fault C8 Phase loss fault Acquisition board CAN C9 Phase loss fault communication fault A1 Phase loss fault C10 Phase loss fault A2 Phase loss fault A3 Phase loss fault A4 Phase loss fault A5 Phase loss fault A6 Phase loss fault A7 Phase loss fault...

  • Page 119: Appendix B Customer Compliant

    ME800 High-voltage Inverter Operation Instruction Appendix B Customer Compliant Customer Name： Phone: Fax: Compliant Type: □Sell □Propaganda □ Service □Quality □Business □Product □ Other Content of Compliant: Complainant (signature): Compliant Unit (official seal): Date: Month Year...

  • Page 121: Appendix C Product Warranty Card

    ME800 High-voltage Inverter Operation Instruction Appendix C Product Warranty Card Customer Name : Phone : Fax : Compliant Type : □Sell □ Propaganda □Service □Quality □Business □Product □Other Content of Compliant : Complainant (signature): Compliant Unit (official seal): Date: Month Year...
  • Page 122 6. If you have any questions in the service process, please contact to our company agent or our company. 7. The interpretation of this agreement is subject to the Shanghai Sigriner STEP Electric Co., Ltd. Shanghai Sigriner STEP Electric Co., Ltd.

  • Page 123: Appendix D Notice To Customer

    ME800 High-voltage Inverter Operation Instruction Appendix D Notice to Customer Dear customers: RoHS is the abbreviation for the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment which was implemented by EU on July 1st, 2006. It stipulates that in the newly developed electrical and electronic equipment, the following six hazardous substances are restricted: lead, mercury, cadmium, hexavalent chrome, PBB and PBDE.
  • Page 124 Shanghai Sigriner STEP Electric Co., Ltd. Six hazardous substances: lead, mercury, cadmium, hexavalent chrome, PBB Possible hazardous substances and PBDE  Environment analysis Our electronic products will produce some heat in operation, which may lead the spread of little amount of hazardous substances. It will not cause any serious consequence for ambient environment.

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