Allen Bradley VFD- Powerflex 4M

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Allen Bradley VFD- Powerflex 4M

  1. 1. Understanding “VFD” nfi Allen Bradley Power Flex 4M Variable Frequency Drive
  2. 2. Practical Demonstration of VFD Powerflex- 4M 0.4 KW= 0.5 Hp I/P: 230V 1/3 Phase O/P: 230 3 Phase Motor Speed Directly Proportional to Frequency Motor RPM= (120*F)/P
  3. 3. Maximum Output Frequency Range 0 ~ 400 Hz
  4. 4. Motor RUN/Stop Indication Command Freq. Parameters Direction Volts reading Fault VFD Status Screen Amperes Indicates freq. Control by VFD POT Indicates Operation. Control by Keypad RUN VFD STOP VFD Change Direction Keys to Read/Write Parameters
  5. 5. Control Terminals Relay Feedback Terminals Freq. Feedback (0 ~ 10 V) (0 ~ 50Hz) Analog Voltage Input (0 ~ 10V) Analog Current Input (4 ~ 20mA)
  6. 6. Motor Output Terminals
  7. 7. 3 Phase/ 1 Phase 220 VAC
  8. 8. VFD Wiring Diagram Power Flex 4M Parameters to be used in this Course
  9. 9. nfi Reset the Drive & Enter Start-up Parameters How to?
  10. 10. Programming the VFD AB Powerflex 4M Step 1: Reset the Drive to Factory Setting Parameter: P112 – Reset to Default Resets all parameter values to factory defaults.
  11. 11. Step 2: Enter Motor related Parameters AB Powerflex 4M P101 – Motor NP Voltage Stop drive before changing this parameter. Set to the motor nameplate rated voltage. P102 – Motor NP Hertz Stop drive before changing this parameter. Set to the motor nameplate rated frequency. P103 – Motor OL Current Set to the maximum allowable motor current. P104 – Minimum Frequency Sets the lowest frequency the drive will output continuously. Min/Max: 0.0/400.0 Hz P105 – Maximum Frequency Sets the highest frequency the drive will output continuously. Min/Max: 0.0/400.0 Hz
  12. 12. nfi Source of Operation Keypad
  13. 13. AB Powerflex 4M P106 – Start Source Stop drive before changing this parameter. Sets the control scheme used to start the drive. Source of Operation
  14. 14. nfi Source of Operation 3 Wire
  15. 15. AB Powerflex 4M P106 – Start Source Stop drive before changing this parameter. Sets the control scheme used to start the drive. Source of Operation
  16. 16. nfi Source of Operation 2 Wire
  17. 17. AB Powerflex 4M P106 – Start Source Stop drive before changing this parameter. Sets the control scheme used to start the drive. Source of Operation
  18. 18. AB Powerflex 4M P107 – Stop Mode Active stop mode for all stop sources 0“Ramp, CF”(1) (Default) Ramp to Stop. “Stop” command clears active fault. 1“Coast, CF”(1) Coast to Stop. “Stop” command clears active fault. Stop Method P110 – Dec. Time
  19. 19. nfi Source of Speed Drive Pot
  20. 20. Parameter Organization - Program AB Powerflex 4M P108 – Speed Reference Sets the source of the speed reference to the drive.
  21. 21. nfi Source of Speed Internal Freq.
  22. 22. Parameter Organization - Program AB Powerflex 4M P108 – Speed Reference Sets the source of the speed reference to the drive.
  23. 23. nfi Source of Speed 0 ~ 10 VIN
  24. 24. Parameter Organization - Program AB Powerflex 4M P108 – Speed Reference Sets the source of the speed reference to the drive.
  25. 25. nfi Source of Speed Preset Freq.
  26. 26. Parameter Organization - Program AB Powerflex 4M P108 – Speed Reference Sets the source of the speed reference to the drive. DIN 2 DIN 1 Speed Parameter Speed (in Hz) 0 0 A410 10 Hz 0 1 A411 5 Hz 1 0 A412 15 Hz 1 1 A413 20Hz
  27. 27. nfi Acc./Dec. Time
  28. 28. AB Powerflex 4M P110 – Dec. Time Sets the rate of deceleration for all speed decreases. P109– Acc. Time Sets the rate of deceleration for all speed decreases. Acc./ Dec.
  29. 29. nfi Acc./Dec. Time 2
  30. 30. AB Powerflex 4M P110 – Dec. Time Sets the rate of deceleration (0.1 ~ 600secs). P109– Acc. Time Sets the rate of acceleration (0 ~ 600secs). Acc./ Dec. 2 Default Acc./Dec. Time Acc./Dec. Time 2 A401– Acc. Time 2 Sets the rate of acceleration (0 ~ 600secs). A402 – Dec. Time Sets the rate of deceleration. (0.1 ~ 600secs) T201/T202 – DIN Function Enter 1 for Acc./Dec. Time 2 Step 1- Enter the Time Step 2- Assign the Function Step 3- Energize DIN 1/DIN 2
  31. 31. nfi JOG Mode
  32. 32. Jog/Inch FrequencyTo adjust the Speed of Motor at Jog Mode Jog Acc./ Dec Time 0.1 to 600.0 sec or 0.01 to 600.0 sec AB Powerflex 4M T201/T202– DIN Function Enter 2 for Jog Mode Step 2- Assign the Function Step 3- Energize DIN 1/DIN 2 A404- Jog Freq. A405- Jog Acc./Dec. Time Step 1- Enter the Jog Freq., Acc./Dec. Time
  33. 33. nfi Local Control
  34. 34. Local ControlWhen active, sets integral keypad as start source and potentiometer on the integral keypad as speed source AB Powerflex 4M T201/T202 – DIN Function Enter 5 for Local Operation Step 1- Assign the Function Step 2- Energize DIN 1/DIN 2 Operation Source Speed Source
  35. 35. nfi Aux Fault
  36. 36. Aux Fault- NCWhen enabled, an F2 Auxiliary Input fault will occur when the input is removed. AB Powerflex 4M T201 – DIN Function Enter 3 for Aux Fault Step 1- Assign the Function Step 2- Energize DIN 1 To include fault Clear Fault- NOWhen active, clears an active fault. T202 – DIN Function Enter 7 for Clear Fault Step 1- Assign the Function Step 2- Energize DIN 2 To clear the fault
  37. 37. nfi Source of Speed Override 0 ~ 10 VIN
  38. 38. Override 0 ~ 10VINSelects 0-10V or ±10V control as the frequency reference. Start source is not changed. AB Powerflex 4M T201/T202 – DIN Function Enter 13 for 0 ~ 10VIN Step 1- Assign the Function Step 2- Energize DIN 1/DIN 2 To override 0 ~ 10V Source
  39. 39. VFD Scaling “Adjusting Voltage by Frequency Curves”
  40. 40. VFD Scaling 0V 5V 10V 1 Volt =5Hz 0 Hz 25 Hz 50 Hz T211 = 0% (default) Range 0 ~ 100% www.nfiautomation.org P104 Min. Freq. (0 ~ 400 Hz) P105 Max. Freq. (0 ~ 400Hz) t211 Min. Volts t212 Max. Volts T212 = 100% (default) Range 0 ~ 100%
  41. 41. VFD Scaling 0V 5V 10V 10 Hz 20 Hz 50 Hz T211 = 0% (default) Range 0 ~ 100% www.nfiautomation.org P104 Min. Freq. (10 Hz) P105 Max. Freq. (0 ~ 400Hz) t211 Min. Volts t212 Max. Volts T212 = 100% (default) Range 0 ~ 100%
  42. 42. VFD Scaling 1V 4.5V 10V 0 Hz 25 Hz 50 Hz T211 = 10% Range 0 ~ 100% www.nfiautomation.org P104 Min. Freq. (0 ~ 400 Hz) P105 Max. Freq. (0 ~ 400Hz) t211 Min. Volts t212 Max. Volts T212 = 100% (default) Range 0 ~ 100% Scaling Value = Bias Voltage/Full Voltage x 100 = 1/10 x 100 = 10%
  43. 43. VFD Scaling 7.5V5V 10V 0 Hz 25 Hz 50 Hz T211 = 50% Range 0 ~ 100% www.nfiautomation.org P104 Min. Freq. (0 ~ 400 Hz) P105 Max. Freq. (0 ~ 400Hz) t211 Min. Volts t212 Max. Volts T212 = 100% (default) Range 0 ~ 100% Scaling Value = Bias Voltage/Full Voltage x 100 = 5/10 x 100 = 50%
  44. 44. VFD Scaling 2.5V0V 5V 0 Hz 25 Hz 50 Hz T211 = 0% Range 0 ~ 100% www.nfiautomation.org P104 Min. Freq. (0 ~ 400 Hz) P105 Max. Freq. (0 ~ 400Hz) t211 Min. Volts t212 Max. Volts T212 = 50% Range 0 ~ 100% Scaling Value = (Full voltage - Bias Voltage)/Full Voltage x 100 = (10-5/10 x 100 = 50%
  45. 45. VFD Scaling 2.5V 5V 7.5V 0 Hz 25 Hz 50 Hz T211 = 25% Range 0 ~ 100% www.nfiautomation.org P104 Min. Freq. (0 ~ 400 Hz) P105 Max. Freq. (0 ~ 400Hz) t211 Min. Volts t212 Max. Volts T212 = 75% Range 0 ~ 100% Scaling Value = (Full voltage - Bias Voltage)/Full Voltage x 100 = (10-2.5/10 x 100 = 75% Scaling Value = Bias Voltage/Full Voltage x 100 = 2.5/10 x 100 = 25%
  46. 46. VFD Scaling 5V 7.5V 0 Hz 25 Hz 50 Hz T211 = 50% Range 0 ~ 100% www.nfiautomation.org P104 Min. Freq. (0 ~ 400 Hz) P105 Max. Freq. (0 ~ 400Hz) t211 Min. Volts t212 Max. Volts T212 = 75% Range 0 ~ 100% Scaling Value = (Full voltage - Bias Voltage)/Full Voltage x 100 = (10-2.5/10 x 100 = 75% Scaling Value = Bias Voltage/Full Voltage x 100 = 5/10 x 100 = 50%
  47. 47. nfi Signals Feedback
  48. 48. Feedback – Relay Type 1. VFD Operation – Run & Stop t221 =2 2. VFD Running Reverse t221 = 3 3. VFD Desired Frequency Attained t221= 6 t222 = Frequency Related Parameter: t221 & t222 Sets the condition that changes the state of the output relay contacts. Sets the trip point for the digital output relay if the value of t221 [Relay Out Sel] is 6, 7, 8, 10 or 11.
  49. 49. Thank You nfi www.nfiautomation.org

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