Veichi AC70T series Manual
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Veichi AC70T series Manual

Crane purpose vfd
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  • Page 2: Table Of Contents

    AC70T Crane Purpose VFD Manual CONTENTS CONTENTS  .......................... I   CHAPTER 1 OVERVIEW  ...................... 1   1.1     ..................  1   SAFETY REQUIREMENT AND CAUTIONS 1.2    .........................  2   BEFORE USE 1.3     ......................  2   TECHNICAL CRITERION 1.4    ......................  4   PRODUCT FEATURES CHAPTER 2 INSTALLATION ...
  • Page 3 AC70T Crane Purpose VFD Manual 5.1    ........................  6 0   FAULT TYPES 5.2    ......................  6 0   FAULT INFORMATION 5.3    ......................  6 5   FAILURE WARNING CHAPTER 6 SELECTION OF RECOMMENDED ACCESSORIES ........... 66   6.1     ...................  6 6   SELECTION OF BRAKE RESISTANCE 6.2    .......................  6 6   SELECTION OF ...

  • Page 4: Chapter 1 Overview

    ● Only Veichi Electric co., ltd service department or its authorized service center can maintain the products. It may cause product fault while using accessories not authorized or permitted. Any defective components must be...

  • Page 5: Before Use

    AC70T Crane Purpose VFD Manual 1.2 Before Use On receiving your order, please check the package and confirm intact before opening, and check if there’s any damage, scratch or dirt (damages caused during transportation are not within the company's warranty). If there’s any damage caused during transportation, please contact us or the transport company immediately.
  • Page 6 AC70T Crane Purpose VFD Manual Inrush current Lower than rated current Power factor ≥0.94(with DC reactor) Efficiency ≥96% Output voltage Output under rated condition: 3 phase, 0～input voltage, inaccuracy<5% Output frequency G type:0～600Hz Output Output frequency Max frequency ±0.5% G type: 150% rated current/1 min, 180% rated current/10s, 200% rated Overload capacity Steady speed accuracy V/F without PG , VC without PG, V/F with PG, VC with PG...

  • Page 7: Product Features

    AC70T Crane Purpose VFD Manual Two file 5 digital tube display Can monitor two state variables display Can upload or download function code information of inverter to realize fast Parameter copy Output frequency, given frequency, output current, input voltage, output State monitor voltage, motor speed, PID feedback, PID given value, module temperature ,Over-voltage, under-voltage, over-current, short circuit, phase failure,...
  • Page 8 AC70T Crane Purpose VFD Manual brake release time, brake holding time, etc., to ensure the system is safe and reliable. 14. Brake timing description: When the brake is not energized, it is in the state of holding the brake, and must be released under the condition that the brake is energized;...

  • Page 9: Chapter 2 Installation

    AC70T Crane Purpose VFD Manual Chapter 2 Installation This section specifies the considerations necessary for reliable and safe operation of the product by users. Overall Dimension of Inverter (Plastic) Overall Dimension Instillation Position INSTALLATION Model APERTURE AC70T-T3-R75-B AC70T-T3-1R5-B 154.5 ф5 AC70T-T3-2R2-B AC70T-T3-004-B 157.5...
  • Page 10 AC70T Crane Purpose VFD Manual 安装孔径 Installation aperture Overall Dimension Instillation Position INSTALLATION Model APERTURE AC70T-T3-030-B Ф7 AC70T-T3-037-B AC70T-T3-045-B Ф9 AC70T-T3-055-B AC70T-T3-075-B AC70T-T3-090-B ф11 AC70T-T3-110...
  • Page 11 AC70T Crane Purpose VFD Manual Overall Dimension Instillation Position INSTALLATI Model AC70T-T3-132 ф11 AC70T-T3-160 AC70T-T3-185 1060 1023 ф16 AC70T-T3-200...
  • Page 12 AC70T Crane Purpose VFD Manual Standard Connection Diagram ● Standard Connection Diagram brake module DC reactor brake resistor notice 1 short circuit circuit breaker connector input reactor output reactor ( ) + + ( ) + ( ) AC input shielded cables inverter (near inverter groud )
  • Page 13 AC70T Crane Purpose VFD Manual Max output 2mA as frequency, voltage Analog monitor output, constitutes loop with GND. 24V auxiliary power supply output, constitutes loop +24V 100mA Collector open circuit output; can set the DC24V/50mA action-object by program. Passive connector output; can set the action-object TA/TB/TC 3A/240VAC by program.
  • Page 14 AC70T Crane Purpose VFD Manual Multi-functional Contact Input Connection ● NPN transistor connection mode Use inner 24V power Use innner 24V power inverter inverter +24V +24V exterior 24V power +24V +24V (factory short connect) exterior exterior control control signal signal shielded cable shielded cable Note ：...
  • Page 15 AC70T Crane Purpose VFD Manual Analog Output Signal Connection AO1 terminal use as 0~10V output indicator AO1terminal use as 0~20mA output indicator inverter inverter shielded twisted pair cable shielded twisted pair cable AO2 terminal use as 0~20mA output indicator AO2 terminal use as 0~10V output indicator inverter inverter shielded twisted pair cable...
  • Page 16 AC70T Cr rane Purpose VFD M Manual apter 3 K Keyboard layout a and funct tions spe ecification Keybo oard appearance ● Key fu unction ● Name Functio Enter menu while e standby or runnin ng. Press this key y to return Menu key while modify para ameter.
  • Page 17 AC70T Cr rane Purpose VFD M Manual Keyboard Can be used as in nput channel for g given frequency, u pper potentiometer frequency limit, gi iven torque, given n PID or PID feedb back setting. Indica ator light meaning ● State Meaning Spark/On...

  • Page 18: Chapter 4 Function Parameter Table

    AC70T Crane Purpose VFD Manual Chapter 4 Function Parameter Table This chapter just provides function parameter table. Specifications refer to AC200 technical manual or inquiry the company. “●”: Parameter can be changed in the running state. “〇”: Parameter can’t be changed in the running state. “×”: Parameter can be read only.
  • Page 19 AC70T Crane Purpose VFD Manual LED ‘0’ digit: reverse control during operation 0: not allowed to run 1: Allow reverse operation FF.02 Run command control 0010 0xF02 〇 LED ‘00’ digit: zero-crossing frequency jump function 0: Invalid 1: Valid LED ‘000’ digit: Reserved Restart waiting delay FF.03 0.00-10.00s...
  • Page 20 AC70T Crane Purpose VFD Manual Running current FF.27 0.000～1.000s 0.400s 〇 0xF1B detection time Light load upscaling 0: Invalid 1: Judging by current 2: FF.28 0xF1C 〇 function selection Judging by weight Load measurement FF.29 0.000～5.000s 1.000s 〇 0xF1D time Upward upswing FF.30 0.0～80.0%...
  • Page 21 AC70T Crane Purpose VFD Manual Acceleration/deceleratio n time 3 switches to FF.43 0.00～Max frequency 0.00Hz 0xF2B ● Acceleration/deceleratio n time 4 frequency FF.44 Reserved 0xF2C Eddy current frequency FF.45 0.00～Max frequency 20.00Hz 0xF2D ● Eddy current frequency FF.46 0.00～Max frequency 40.00Hz 0xF2E ●...

  • Page 22: Basic Parameters Group

    AC70T Crane Purpose VFD Manual Anti-flow hook start FF.61 0.00～5.00Hz 1.00Hz 〇 0xF3D threshold Anti-flow hook FF.62 0.0～3000.0s 60.0s 〇 0xF3E maintenance time Anti-flow hook start FF.63 0.0～2.000s 0.100s 〇 0xF3F threshold filtering FF.65 Reserved -FF.69 Rotary brake mode 0: electric brake: FF.70 0xF46 ●...
  • Page 23 AC70T Crane Purpose VFD Manual 0: Channel A 1: Channel B 2: Channel A+Channel B Frequency given source 3: Channel A-Channel B F0.06 0x006 ● selection 4: Max. value of Channel A and Channel B 5: Min. value of Channel A and Channel B LED“0”digit: keyboard command instruction binding...

  • Page 24: Run Control Parameters

    AC70T Crane Purpose VFD Manual 0: Stop output, enter into pause Lower limit frequency F0.13 running state 〇 0x00D running mode 1: Run at lower limit frequency F0.14 ACC time 1 0.01-650.00s ※ 0x00E DEC time 1 0.01-650.00s F0.15 ※ 0x00F LED“0”digit: running direction takes the opposite...
  • Page 25 AC70T Crane Purpose VFD Manual Speed tracking stop F1.07 0.00～60.00s 1.00s 〇 0x107 delay F1.08~F1.09 Reserved 0x108 0: DEC stop F1.10 Stop mode 0x10A ● 1: Free stop DC braking initial F1.11 0.00～50.00Hz 1.00Hz 0x10B 〇 frequency when stop DC braking current F1.12 0.0～150.0% 60.0%...

  • Page 26: Digital Terminal Parameter Group

    AC70T Crane Purpose VFD Manual F1.32-F1.34 Reserved 0x120 Power off restart action 0: Invalid F1.35 0x123 〇 selection 1: Valid Power off restart waiting F1.36 0.00～60.00s 0.50s 0x124 〇 time F1.37 Reserved 0x125 JOG running frequency 0.00-Max frequency F1.38 5.00Hz 0x126 ●...
  • Page 27 AC70T Crane Purpose VFD Manual X1 invalid detection F2.11 0.000-6.000S 0.010 ● 0x20B delay F2.12 0.000-6.000S X2 valid detection delay 0.010 0x20C ● F2.13 0.000-6.000S X2 invalid detection 0.010 0x20D ● F2.14 X3 valid detection delay 0.000-6.000S 0.010 0x20E ● F2.15 X3 invalid detection 0.000-6.000S...

  • Page 28: Analog Terminal Parameter Group

    AC70T Crane Purpose VFD Manual 0: Off electricity storage UP/DW terminal F2.36 1: Off electricity not storage 0x224 〇 control mode 2: Valid in running, clear zero at stop ACC/DEC speed of F2.37 UP/DW terminal 0.01-50.00Hz/s 0.50Hz/s 0x225 ● controlling frequency F2.38 Reserved 0x226...
  • Page 29 AC70T Crane Purpose VFD Manual 0.00-10.00V 0.00V 0x300 F3.00 VS Lower limit ● VS Lower limit -100.00-100.00% 0.00% ● 0x301 F3.01 corresponding setting 0.00-10.00V 10.00V 0x302 F3.02 VS upper limit ● VS upper limit -100.00-100.00% 0x303 F3.03 100.00% ● corresponding setting 0.00-6.00s 0.010s ●...
  • Page 30 AC70T Crane Purpose VFD Manual 0: low level 1: high level LED 0 digit: VS Valid state setting when F3.29 0000 ● 0x31D LED 00 digit: AI analog used as terminal LED 000 digit: AS LED 0000 digit: reserved LED “0” digit: VS 0: Beeline (default) 1: curve 1 Analog input curve...
  • Page 31 AC70T Crane Purpose VFD Manual LED “0” digit: AO1 0: 0～10V 1: 4.00～20.00mA 2: 0.00～20.00mA LED “00” digit: A02 A0 output signal F3.53 0040 0x335 ● selection 0: 0～10V 1: 4.00～20.00mA 2: 0.00～20.00mA 3: FM frequency pulse output 4: Frequency output 0: Given frequency 1: Output frequency 2: Output current...

  • Page 32: System Parameter Group

    AC70T Crane Purpose VFD Manual 4.6 System Parameter Group Factory Function description Range of settings and definition Feature Address setting 0: Not locked 1: Function parameter locked 2: Function parameter and key Parameter and key lock F4.00 ● 0x400 locked (except for selections RUN/STOP/JOG) 3: All function parameter and key...
  • Page 33 AC70T Crane Purpose VFD Manual 2: Modify PID give setting by key board numbers Fb.01 LED “00” digit: power down save 0: No save frequency after power down 1: Save frequency after power down LED “000” digit: action limit 0:Adjusting in operation& stop 1: Adjusting only in operation, stop for holding 2: Adjusting in operation, stop for...
  • Page 34 AC70T Crane Purpose VFD Manual LED “0” digit: output frequency selection 0: Aim frequency 1: Running frequency Keyboard display item F4.22 0000 0x416 ● LED “00” digit: reserved setting LED “000” digit: power display dimension 0: percentage (%) LED “0” digit: C-00~C-39 0: Normal 1: Debug Reserved（debug...

  • Page 35: Motor Parameter Group

    AC70T Crane Purpose VFD Manual modulation mode 0: Only use three-phase modulation 1: Two-phase and three-phase modulation automatically switched 0x422 F4.34-F4.37 Reserved Motor Parameter Group Factory Function description Range of settings and definition Feature Address default 0: Asynchronous motors (AM) F5.00 0x500 ×...

  • Page 36: Motor Vc Parameter Group

    AC70T Crane Purpose VFD Manual selections 2: Static type self-study 3: Fast static self-learning LED “0” digit: closed-loop vector 0: OFF 1: ON 2: On, only operate firstly when Synchronous machine electrify F5.21 0010 0x515 〇 poles searching function LED “00” digit: open-loop vector 0: OFF 1: ON 2: ON, only operate firstly when...
  • Page 37 AC70T Crane Purpose VFD Manual F6.03 ASR switch frequency 1 0.00～Max frequency 0.00Hz ● 0x603 ASR (speed loop) F6.04 0.01～100.00 10.00 0x604 ● proportional gain 2 ASR (speed loop) integral F6.05 0.000～6.000s 0.500s ● 0x605 time 2 F6.06 ASR filter time 2 0.0～100.0ms 0.0ms 0x606...

  • Page 38: Motor V/Fcontrol Parameter

    AC70T Crane Purpose VFD Manual feed forward gain F6.30 Motor weak magnetic 100.0% ● 0.0～500.0% 0x61E F6.31 Reserved 0x61F F6.32 MTPA gain 0.0～400.0% 100.0% ● 0x620 F6.33 1.0ms MTPA filter time ● 0x621 0.0～100.0ms F6.34 Reserved 0x622 Low frequency pull in F6.35 10.0% ●...

  • Page 39: Protection And Malfunction Parameter Group

    AC70T Crane Purpose VFD Manual 0: Off Auto energy saving F8.19 〇 0x813 1: On control Energy saving frequency F8.20 15.00Hz 〇 0x814 0.0～50.00Hz lower limit Energy saving voltage F8.21 50.0% 〇 0x815 20.0～100.0% lower limit Energy saving voltage F8.22 ●...
  • Page 40 AC70T Crane Purpose VFD Manual LED “0” digit: (CBC) 0: Off 1: On LED “00” digit: OC protection interference suppression 0: Off 1: First grade interference suppression 2: Second grade interference Current hardware suppression FA.03 0001 0xA03 〇 protection settings LED “000”...
  • Page 41 AC70T Crane Purpose VFD Manual Earth short-circuit 0: Off FA.14 0xA0E 〇 detection after power on 1: On LED “0” digit: Output loss phase protection 0: Off 1: On LED “00” digit: Input loss phase FA.15 0011 0xA0F 〇 Loss phase protection protection 0: Off 1: Open the alarm...
  • Page 42 AC70T Crane Purpose VFD Manual time 1 Load pre alarm detection FA.20 30.0% 0xA14 〇 0.0～200.0% level 2 Load pre alarm detection FA.21 5.0s 0xA15 〇 0.0～60.0s time 2 FA.22 0xA16 Reserved LED “0” digit: Detection selection 0: Not detected 1: Detected at constant speed 2: Detecting Protection action when...
  • Page 43 AC70T Crane Purpose VFD Manual Malfunction running FA.41 × 0xA29 0.00～Max frequency frequency Malfunction output FA.42 × 0xA2A 0～1500V voltage Malfunction output FA.43 × 0xA2B 0.1～2000.0A current FA.44 × 0xA2C Malfunction bus voltage 0～3000V Malfunction module FA.45 × 0xA2D 0～100℃ temperature LED “0”...

  • Page 44: Multi-Speed And Plc Function Parameter Group

    AC70T Crane Purpose VFD Manual LED “0” digit: Running direction 0: FWD 1: REV LED “00” digit: Running status 0: Stop FA.55 × 0xA37 The last machine state 1: Constant speed 2: ACC 3: DEC LED “000” digit: Reserved LED “0000” digit: Reserved The last malfunction input FA.56 ×...
  • Page 45 AC70T Crane Purpose VFD Manual LED “0” digit: cycle mode 0: Stop after single cycle 1: Continuous cycles 2: Keep final value after single cycle LED “00” digit: Time unit 0: second 1: minute PLC running Mode 2: hour FC.15 0000 ●...

  • Page 46: Communication Control Function Parameter Group

    AC70T Crane Purpose VFD Manual FC.36 this step 0000 ● 0xC24 0: ACC/DEC time 1 FC.37 0000 0xC25 ● 1: ACC/DEC time 2 FC.38 0000 0xC26 ● 2: ACC/DEC time 3 FC.39 0000 0xC27 ● 4: ACC/DEC time 4 FC.40 0000 0xC28 ●...
  • Page 47 AC70T Crane Purpose VFD Manual 5: 38400 bps LED “00” digit: reserved LED “000” digit: reserved LED “0000” digit: reserved 0: (N,8,1) format 1: (E,8,1) format 2: (O,8,1) format Fd.03 0xD03 Modbus data format 〇 3: (N,8,2) format 4: (E,8,2) format 5: (O,8,2) format Communication ratio Fd.04...

  • Page 48: Factory Parameters Corresponding To Industry Application Macros

    AC70T Crane Purpose VFD Manual Same as above RS485 communication 0: Modbus communication Fd.10 0xD0A ● i ti 4.13 Factory parameters corresponding to industry application macros 4.14 Lifting mechanism dedicated macro Factory Factory set Function description Range of settings and definition set (open (closed loop)
  • Page 49 AC70T Crane Purpose VFD Manual F2.47 Relay output 2 Brake control function FC.00 PLC Speed 1 0.00～Max frequency 25.00Hz 25.00Hz FC.02 PLC Speed 3 0.00～Max frequency 30.00Hz 30.00Hz FC.06 PLC Speed 7 0.00～Max frequency 40.00Hz 40.00Hz FC.14 PLC Speed 15 0.00～Max frequency 50.00Hz 50.00Hz...
  • Page 50 AC70T Crane Purpose VFD Manual 0.00-10.00Hz 2.00Hz 0.00Hz FF.09 Down brake frequency 0.00-10.00s 0.20s 0.30s FF.10 Delay before the lift 0.00-10.00s 0.10s 0.10s FF.11 Delay after the lift Delay before the upward 0.00-10.00s 0.00s 0.00s FF.12 brake 0.00-10.00s 0.50s 0.50s FF.13 Delay after the up brake Down delay before the...
  • Page 51 AC70T Crane Purpose VFD Manual Construction elevator special macro Factory Function description Range of settings and definition default F0.00 Motor control mode Open loop vector control mode 1 Terminal control F0.02 Run command channel Frequency given source F0.03 Keyboard number given channel A Keyboard number setting F0.08...
  • Page 52 AC70T Crane Purpose VFD Manual LED ‘0’ digit: brake release 0: frequency opens 1: frequency and current associated with opening LED ‘00’ digit: starting direction selection 0: The torque is the same as the running direction 1: The torque is always in the forward direction Brake mode selection FF.01...
  • Page 53 AC70T Crane Purpose VFD Manual FF.13 Delay after the up brake 0.00-10.00s 0.50s Down delay before the FF.14 0.00-10.00s 0.30s release FF.15 Delay after down release 0.00-10.00s 0.10s FF.16 Delay before the brake 0.00-10.00s 0.00s FF.17 Delay after down brake 0.00-10.00s 0.30s Current judgment enable...
  • Page 54 AC70T Crane Purpose VFD Manual F0.14 10.0s ACC time 1 0.01～650.00s F0.15 2.0s DEC time 1 0.01～650.00s Multifunction input F2.00 terminal 1(X1) Multifunction input F2.01 terminal 2(X2) Multifunction input Multispeed terminal 1 F2.02 terminal 3(X3) Multifunction input F2.03 Multispeed terminal 2 terminal 4(X4) Multifunction input Multispeed terminal 3...
  • Page 55 AC70T Crane Purpose VFD Manual Flexible control direction FF.38 2.50Hz changes deviation 0.00～20.00Hz frequency Flexible control FF.39 20.00s 0.00～650.00s acceleration time 1 Flexible control FF.40 20.00s 0.00～650.00s deceleration time 2 0.00～Max frequency Acceleration/deceleration time 1 switches to the FF.41 9.00Hz frequency of acceleration/deceleration time 2...
  • Page 56 AC70T Crane Purpose VFD Manual Translation mechanism dedicated macro Factory Function description Range of settings and definition default F0.00 Motor control mode Open loop vector control mode 1 F0.02 Run command channel Terminal control Frequency given source F0.03 Keyboard number given channel A Keyboard number setting F0.08...

  • Page 57: Light Load Speed Up Function

    AC70T Crane Purpose VFD Manual 4.15 Light load speed up function Light load upscaling 0: Invalid FF.28 1: Judging by current function selection Load measurement 0.000～10.000s 1.000s FF.29 time Upward upswing 0.0～100.0% 50.0% FF.30 judgment threshold Up frequency up 0.00～100.00Hz 65.00Hz FF.31 frequency limit...

  • Page 58: Multi-Speed Setting Instructions

    AC70T Crane Purpose VFD Manual 4.16 Multi-speed setting instructions Multi-speed Multi-speed Multi-speed Multi-speed Terminal terminal 4 terminal 3 terminal 2 terminal 1 Speed 1X［FC.00］ 2X［FC.01］ 3X［FC.02］ 4X［FC.03］ 5X［FC.04］ 6X［FC.05］ 7X［FC.06］ 8X［FC.07］ 9X［FC.08］ 10X［FC.09］ 11X［FC.10］ 12X［FC.11］ 13X［FC.12］ 14X［FC.13］ 15X［FC.14］ Multi-speed control has priority next to jog. When the user selects multi-speed operation, four multi-function input terminals must be set as multi-speed control terminals.
  • Page 59 AC70T Cr rane Purpose VFD M Manual 4.17 T Terminal Inp put and Outp put Function n Selection Function Spec cification Function Specification Funct ion Specification No function 16-1 Multispeed terminal 1-4 Timer c lear terminal PID control cancel Counter clock input termin PID control pause...
  • Page 60 AC70T Crane Purpose VFD Manual channel combination 55-59:Reserved Timer trigger terminal switch to B Function Specification Function Specification Function Specification No output Running REV running Fault trip alarm1 (alarm Fault trip alarm 2(no alarm FWD running when fault self-recovery) when fault self-recovery) External fault stop Under voltage Finish ready for running...

  • Page 61: Monitor Code

    AC70T Crane Purpose VFD Manual 4.18 Monitor Code Access ‘C’ parameter group by pressing ‘PRG’ for more than 2s; check the current state of inverter. Function Range of settings and Function name Address Code definition C-00 0.01Hz 2100H Given frequency C-01 0.01Hz 2101H...
  • Page 62 AC70T Crane Purpose VFD Manual Total power consumption (low C-37 1° 2125H position) Total power consumption (high C-38 10000° 2126H position) C-39 Power factor angle 1° 2127H Input Terminal on/off State Diagram: X1 terminal state reserve X2 terminal state X7 terminal state X3 terminal state X6 terminal state X4 terminal state...

  • Page 63: Fault Types

    AC70T Cr rane Purpose VFD M Manual hapter 5 Fault Dia agnoses and Trea atment M Measures This cha apter explains the d display content an nd measures of th e inverter fault, ala arm and operation n fault. In addition, poor con ndition caused by the inverter and m...
  • Page 64 AC70T Cr rane Purpose VFD M Manual ● Load potentia al energy or inverter capacitan nce or add braking inertia is too lar rge. unit. ● Power voltag ge fluctuation ● Detect power v voltage and clear fa ault. over limit. Constant ●...
  • Page 65 AC70T Cr rane Purpose VFD M Manual ● Acceleration time is too ● Prolong accele ration time. short. ● Check peripher ry equipments and ● Short circuit b between restart after fault c cleared. System inverter output phases or ● Seek support fr rom factory.
  • Page 66 AC70T Cr rane Purpose VFD M Manual fault Inverter ● Peripheral eq quipment fault ● Check peripher ral equipment. external fault protection. ● Keyboard wir re fault. Keyboard ● Check keyboar rd wire. E.PAn ● Keyboard co mponent connect fault ●...
  • Page 67 AC70T Cr rane Purpose VFD M Manual abnormal settings; ● Seek technical support from manufacturers. ●[FA.27]/[FA.28 8] parameter setting is abnor rmal ● Check the moto or parameters and Speed ● Motor param eter is re-learn again; 33/71 protection abnormal ●...

  • Page 68: Failure Warning

    AC70T Crane Purpose VFD Manual Current ●Check if the inverter motor detection The running current parameters match the actual motor E.063 failure abnormality is less than the parameters during FF.05 setting value. ●The output side of the inverter is operation connected to the motor reliably.

  • Page 69: Selection Of

    AC70T Crane Purpose VFD Manual Chapter 6 Selection of recommended accessories 6.1 Selection of brake resistance Selection of brake resistance according to generate power of motor, which associated with inertia, DEC time, potential energy load, etc. the bigger inertia of system, the shorter DEC time, more frequent braking, the more power, smaller resistance of resistor.
  • Page 70 AC70T Cr rane Purpose VFD M Manual PG Ca 6.3 In nstruction of f close-loop p control mo Selec ct high performance vector control mode e with PG when PG G card was configure ed (F0.00=4), Make sure reliable connec ction between e encoder and PG card...
  • Page 71 AC70T Cr rane Purpose VFD M Manual axial d displacement ± 0.05m mm, maximum angle difference of ±2℃.Sq queeze, bending phe enomenon should no ot exist after the coup ling is installe ed; when the motor ro otary, the cam pheno omenon or axial endp play phenomenon sh hould not exist.

  • Page 72: Chapter 7 Periodic Overhaul And Maintenance

    AC70T Crane Purpose VFD Manual Chapter 7 Periodic Overhaul and Maintenance 7.1 Overhaul Frequency inverter is composed by semi-conductive components, passive electronic component and motive component. All of these components have useful life. Even under normal working environment, some of the components can not work after the life time.

  • Page 73: Maintenance

    AC70T Crane Purpose VFD Manual Whether there is liquid leak, color ● Electrolytic change or crack. Whether the safety Change damaged component ● capacitor valve outcrop, inflation, creak or liquid leak. Peripheral Peripheral equipment outlook and Clear and change damaged ●...

  • Page 74: Appendix: Modbus Communication Protocol

    AC70T Crane Purpose VFD Manual Appendix: Modbus Communication Protocol Communication Frame Structure ● Communication data format is as follows: The byte composition: Including initiation bit, 8 data bit, check bit and stop bit. Initiation Chec Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7 Bit8...
  • Page 75 AC70T Crane Purpose VFD Manual Torque Control The REV Max 0x3007 or Frequency limit in 0～1000 is corresponding to 0.0～100.0% 0x2007 Torque Control Communication 0x3008 or 0～1000 is corresponding to 0.0～100.0% Given PID Setting 0x2008 Communication 0x3009 or Given PID 0～1000 is corresponding to 0.0～100.0% 0x2009 Feedback...

This manual is also suitable for:

Ac70t-t3-r75-bAc70t-t3-037-bAc70t-t3-1r5-bAc70t-t3-2r2-bAc70t-t3-055-bAc70t-t3-004-b ... Show all

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