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Larson Electronics VFD-1P-220.240-1HP-7A-DCM User Manual
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Larson Electronics VFD-1P-220.240-1HP-7A-DCM User Manual

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VFD-1P-220.240-1HP-7A-DCM
VFD-1P-220.240-1HP-7A-DCM
User Manual
(877) 348-9680
Larson Electronics, LLC
Phone:
Fax: (903) 498-3364
www.larsonelectronics.com
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James Taylor
July 23, 2025

I do not see a speed regulation potentiometer interface on the schematic, does this drive allow external speed control?

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Summary of Contents for Larson Electronics VFD-1P-220.240-1HP-7A-DCM

  • Page 1 VFD-1P-220.240-1HP-7A-DCM VFD-1P-220.240-1HP-7A-DCM User Manual (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 1 of 52...
  • Page 2 CAUTION age to equipment. (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 2 of 52...
  • Page 3 Since overall leakage current of this equipment may be bigger than 3.5mA, for safety's sake, this equipment and its associated motor must be well grounded so as to avoid risk of electric shock; (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 3 of 52...
  • Page 4 If auto tuning is required, be careful of personal injury when motor is running. Risk of accident; CAUTION ² Do not change the defaults of parameters. Risk of devices damage. (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 4 of 52...
  • Page 5 All pluggable components can be inserted or pulled out only when power has been turned off; ² Set and check the parameters again after the VFD is replaced. (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 5 of 52...
  • Page 6 Fig.3-2 to ensure good heat dissipation. Fan exhaust More than 200mm More than 200mm Figure 3-1 Mounting space and distance Figure 3-2 Mounting of multiple VFDs (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 6 of 52...
  • Page 7 Braking resistor wiring terminals R、S、T 220V 1-phase Input terminals 220V 220V 1/3-phase Output 1-phase U、V、W terminals 18.5KW~75KW P+、P- Braking resistor wiring terminals Table 4-1 Description of Main Circuit input/output terminals (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 7 of 52...
  • Page 8 Fault relay output DC Ammeter 4-20mACurrent signal High-speed pulse output +10V 0~10V Open collector output 0~10V/4~20mA Standard RS485 communication port 485+ 485- Figure 4-2 Basic Wiring Diagram (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 8 of 52...
  • Page 9 Starting capacitor Main winding 220VAC Figure 4-4 Operation mode: Internal wiring of motor with single capacitor (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 9 of 52...
  • Page 10 Internal wiring of single phase motor with double capacitors is as below: Running capacitor Centrifugal switch Starting capacitor 220VAC Main winding Figure 4-6 Internal wiring of motor with double capacitors (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 10 of 52...
  • Page 11 After removing the capacitors from above motors, remain 4 main and secondary winding terminals as below: Figure 4-8 Main and secondary winding of motor (After removing the capacitors) (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 11 of 52...
  • Page 12 Motor reverse can’t be completed through parameter setting of VFD or change any two phase wirings, motor reverse wiring must be as below: (PB) 220VAC Figure 4-10 Reverse wiring between VFD (<=0.75Kw) and motor (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 12 of 52...
  • Page 13 4.3.3 Wiring between VFD and motor (Non-removable capacitor) If the capacitor in motor is Non-removable, the wiring is as below. The forward and reverse is determined by VW wiring sequence. (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com...
  • Page 14 VFD-1P-220.240-1HP-7A-DCM (PB) 220VAC Figure 4-13 Wiring between VFD-1P-220.240-1HP-7A-DCM (<=0.75Kw) and motor The forward and reverse is determined by UV wiring sequence. (PB) 220VAC VFD-1P-220.240-1HP-7A-DCM Figure 4-14 Wiring between VFD-1P-220.240-1HP-7A-DCM (<=0.75Kw) and motor Note: After wiring completed, need to set P9.13=2(Thousand's digit)
  • Page 15 Reverse indicator, indicates that the VFD that the VFD is output reverse phase sequence, when the working in DC motor is connected, the motor is reversed. braking state. (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 15 of 52...
  • Page 16 Increment of data or function code (increasing the incremental UP key speed when pressed continuously) Decrement of data or function code (increasing decrement DOWN key speed when pressed continuously) (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 16 of 52...
  • Page 17 2：Serial port control mode selection Running Unit’s digit: 0: Forward 1:Reverse ○ Ten’s digit: 0:REV allowed 1:REV P0.04 direction prohibited setting FWD/REV ○ 0.0～120.0s 0.1s 0.1s P0.05 dead time (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 17 of 52...
  • Page 18 V/F curve 2: Reduced torque curve 2 (1.7 × P0.22 setting times the power) 3: Reduced torque curve 3 (2.0 times the power) 4: Customized V/F curve (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 18 of 52...
  • Page 19 P1.12(Pulse min given)～ ○ Pulse max given 0.1K 0.1K P1.14 P1.11(Max input pulse freq.) Corresponding P1.15 ○ freq.to 0.00～Upper limit freq 0.01Hz 50.00Hz pulse max given (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 19 of 52...
  • Page 20 4: External pulse given＋CI × channel P3.00 5: External pulse given－CI combination 6: RS485 given＋VI＋control panel▲、▼key given 7: RS485 given－VI－control panel▲、▼key given 8: RS485 given＋CI＋control panel▲、▼key given (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 20 of 52...
  • Page 21 1: Factory default reset 2: Clear history fault record 0: Inaction 1: Parameter upload Parameter × 2: Parameter download P3.02 copy Note: only valid in remote control mode (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 21 of 52...
  • Page 22 × 0.1s 0.0s P3.11 overtime 0.0: Function invalid detection time Local response × ～ P3.12 0 1000ms delay Multi-running × ～ 0.01 1.00 P3.13 0.01 1.00 proportion (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 22 of 52...
  • Page 23 Reserved 0000 9999 0000 Zero frequency × ～ P3.38 0.0％ 15.0％ 0.1％ 0.0％ DC braking voltage ○ ～ P3.39 Set running time 0 65.535K hour 0.001K 0.000K (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 23 of 52...
  • Page 24 19 Freq. control channel selection 1 20 Freq. control channel selection 2 21 Freq. control channel selection 3 22 Command switched to terminal 23 Running command control mode selection 1 (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 24 of 52...
  • Page 25 1 2-wire control mode 2 × running P4.08 2 3-wire control mode 1 mode selection 3 3-wire control mode 2 1.00 ○ 0.01 P4.09 UP/DN Rate 0.01-99.99Hz/s Hz/s (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 25 of 52...
  • Page 26 × P4.13 Ditto output selection Freq. arrival × ～ P4.14 0.00 400.00Hz 0.01Hz 5.00Hz detection range FDT1(freq. × ～ P4.15 0.00 Upper limit freq 0.01Hz 10.00Hz level) (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 26 of 52...
  • Page 27 0 Output freq.(0 upper limit freq.) ～ 1 Output current(0 2 times DO output ○ P4.21 terminal motor rated current) ～ 2 Output voltage(0 1.2 times VFD rated voltage) (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 27 of 52...
  • Page 28 Restart waiting time × ～ P5.08 0.0 10.0s 0.1s 0.5s after power failure ～ 0 10 Fault self-recovery 0：Self-recovery invalid × P5.09 Note：Self-recovery invalid in times overload or overheat (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 28 of 52...
  • Page 29 6 CI simulation4 20mACurrent setting 0 VI analog 0~10V input voltage ～ Feedback channel 1 CI analog input（0 P7.02 × ～ selection 10V/0 20mA） 2 VI+CI 3 VI-CI (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 29 of 52...
  • Page 30 0 Upper limit freq 0.01Hz 0.00Hz detection threshold PID Feedback ○ ～ P7.17 disconnected action selection PID Feedback ○ ～ P7.18 disconnected 0.01 5.00s 0.01s 1.00s operation delay time (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 30 of 52...
  • Page 31 1: PID reverse action. × P7.32 negative role and Ten’s digit : feedback pressure 0: The feedback pressure is error polarity greater than the actual pressure; (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 31 of 52...
  • Page 32 0 Restart from the first stage 1 Restart from the freq. of break stage 2 Restart from the running. of break stage LED hundred’s place: parameter save mode selection (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 32 of 52...
  • Page 33 ～ P8.10 Stage 5 running time 0.1 6000.0 10.0 ○ ～ P8.11 Stage 6 setting 000 621 ○ ～ P8.12 Stage 6 running time 0.1 6000.0 10.0 (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 33 of 52...
  • Page 34 0: The terminal run command is valid when the power is on 1: The terminal run command is invalid when power is on (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 34 of 52...
  • Page 35 × ～ PA.05 Motor poles number 2 16 model type Motor stator depends on × ～ PA.06 0.1 5000.0mH 0.1mH inductance model type (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 35 of 52...
  • Page 36 Output voltage ---- present output voltage Effective value of b-03 Output current 0.1A ---- present output current Present DC bus bar b-04 Bus bar voltage ---- voltage (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 36 of 52...
  • Page 37 OC1 output terminal state OC2 output terminal state Relay T output terminal state Means invalidity（(LED OFF)） Relay R output terminal state Means validity (LED ON） (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 37 of 52...
  • Page 38 Overvoltage at constant Acc or Dec time is too short Adjust the Acc or Dec time E-06 speed Abnormal change of input Mount input reactor running voltage (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 38 of 52...
  • Page 39 VFD over current troubleshooting VFD module Output 3-phase fault or ground E-12 Re-wiring protection short Air duct obstruction or fan Clean air duct or replace a damaged new fan (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 39 of 52...
  • Page 40 R, S, T protection over current Over current when VFD restart press key to reset adjust STOP E-20 fault when and check speed relevant parameters restart (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 40 of 52...
  • Page 41 If it can’t be reseted or fault occurs again after reset, please check the cause of fault, continuous reset may damage VFD; Ø Reset the VFD after waiting for 5min when overload or overheat protection occurs. (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 41 of 52...
  • Page 42 PC as host PLC as host PC as host RS232 232-485 232-485 Conversion Conversion RS485 RS485 Single host Single host Multi slaves Multi slaves Fig.8-1 networking of slaves (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 42 of 52...
  • Page 43 10 characters box（For ASCII） (1-7-2 format, no parity) Start Stop Stop BIT 0 BIT 1 BIT 2 BIT 3 BIT 4 BIT 5 BIT 6 BIT 7 (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 43 of 52...
  • Page 44 LRC CHK Hi LRC Check code： 8 check code combined with two ASCII code LRC CHK Lo END Hi End character： END Hi = CR(0DH), END Lo = CR(0AH) (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 44 of 52...
  • Page 45 Asking for information string format Answering information string format “：”---3AH “：”---3AH Header Header “0”---30H “0”---30H Address Address “1”---31H “1”---31H “0”---30H “0”---30H Function code Function code “3”---33H “3”---33H (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 45 of 52...
  • Page 46 P0.02=50.00HZ to VFD address 01H. ： ASCII mode: Asking for information string format Answering information string format Header “：”---3AH Header “：”---3AH “0”---30H “0”---30H Address Address “1”---31H “1”---31H (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 46 of 52...
  • Page 47 This command is used to test the communication between main control equipm- ent and VFD. VFD receives and sends back the message to the main control equipment. (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 47 of 52...
  • Page 48 Asking for information string format Answering information string format Address Address Function code Function code content content CRC CHECK Low CRC CHECK Low CRC CHECK High CRC CHECK High (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 48 of 52...
  • Page 49 Commands 2000H to VFD 0006H REV JOG ： （06H） 0007H DEC and STOP ： 0008H STOP ： 0009H JOG STOP ： 000AH RESET ： 2001H Freq. setting (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 49 of 52...
  • Page 50 2109H Read VI analog input 210AH Read CI analog input Read software version 210BH 210CH Read VFD terminal status Read set pressure 210DH 210EH Read feedback pressure (877) 348-9680 Larson Electronics, LLC Phone: Fax: (903) 498-3364 www.larsonelectronics.com 50 of 52...
  • Page 51 (i.e. excessive dust build-up). Clean with a non-abrasive cloth if needed. 4. Do not operate if the lens is cracked or damaged. All fasteners should be properly seated. (877) 348-9680 Larson Electronics, LLC Larson Electronics, LLC P Phone: Fax: (903) 498-3364 www.larsonelectronics.com...
  • Page 52 REPLACEMENT PARTS The VFD-1P-220.240-1HP-7A-DCM is designed to provide years of reliable performance. Should the need for replacement parts arise, please contact Larson Electronics. THESE INSTRUCTIONS MAY NOT COVER ALL DETAILS OR VARIATIONS OF THIS PRODUCT FOR YOUR EQUIPMENT OR INSTALLATION REQUIREMENTS.