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Understanding
“VFD”
nfi
Allen Bradley Power Flex 4M
Variable Frequency Drive
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 Prop...
Maximum Output Frequency Range
0 ~ 400 Hz
Motor
RUN/Stop
Indication
Command Freq.
Parameters
Direction
Volts reading
Fault
VFD Status Screen
Amperes
Indicates freq....
Control Terminals
Relay Feedback
Terminals
Freq. Feedback
(0 ~ 10 V)
(0 ~ 50Hz)
Analog Voltage
Input (0 ~ 10V)
Analog Curr...
Motor Output
Terminals
3 Phase/ 1 Phase
220 VAC
VFD Wiring Diagram
Power Flex 4M
Parameters to be used in
this Course
nfi
Reset the Drive & Enter
Start-up Parameters
How to?
Programming the VFD
AB Powerflex 4M
Step 1:
Reset the Drive to Factory Setting
Parameter:
P112 – Reset to Default
Resets a...
Step 2: Enter Motor related Parameters
AB Powerflex 4M
P101 – Motor NP Voltage
Stop drive before changing this parameter.
...
nfi
Source of Operation
Keypad
AB Powerflex 4M
P106 – Start Source
Stop drive before changing this parameter.
Sets the control scheme used to start the
d...
nfi
Source of Operation
3 Wire
AB Powerflex 4M
P106 – Start Source
Stop drive before changing this parameter.
Sets the control scheme used to start the
d...
nfi
Source of Operation
2 Wire
AB Powerflex 4M
P106 – Start Source
Stop drive before changing this parameter.
Sets the control scheme used to start the
d...
AB Powerflex 4M
P107 – Stop Mode
Active stop mode for all stop sources
0“Ramp, CF”(1) (Default)
Ramp to Stop. “Stop” comma...
nfi
Source of Speed
Drive Pot
Parameter Organization - Program
AB Powerflex 4M
P108 – Speed Reference
Sets the source of the speed reference to the driv...
nfi
Source of Speed
Internal Freq.
Parameter Organization - Program
AB Powerflex 4M
P108 – Speed Reference
Sets the source of the speed reference to the driv...
nfi
Source of Speed
0 ~ 10 VIN
Parameter Organization - Program
AB Powerflex 4M
P108 – Speed Reference
Sets the source of the speed reference to the driv...
nfi
Source of Speed
Preset Freq.
Parameter Organization - Program
AB Powerflex 4M
P108 – Speed Reference
Sets the source of the speed reference to the driv...
nfi
Acc./Dec. Time
AB Powerflex 4M
P110 – Dec. Time
Sets the rate of deceleration for all speed decreases.
P109– Acc. Time
Sets the rate of d...
nfi
Acc./Dec. Time 2
AB Powerflex 4M
P110 – Dec. Time
Sets the rate of deceleration (0.1 ~ 600secs).
P109– Acc. Time
Sets the rate of accelerat...
nfi
JOG
Mode
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 Pow...
nfi
Local
Control
Local ControlWhen active, sets integral keypad as start source and potentiometer on
the integral keypad as speed source
AB...
nfi
Aux
Fault
Aux Fault- NCWhen enabled, an F2 Auxiliary Input fault will occur when the input is
removed.
AB Powerflex 4M
T201 – DIN Fu...
nfi
Source of Speed
Override
0 ~ 10 VIN
Override 0 ~ 10VINSelects 0-10V or ±10V control as the frequency reference. Start source is
not changed.
AB Powerflex 4M
T...
VFD
Scaling
“Adjusting Voltage by
Frequency Curves”
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...
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)
P...
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...
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
...
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
Ma...
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)
P10...
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...
nfi
Signals
Feedback
Feedback – Relay Type
1. VFD Operation – Run & Stop
t221 =2
2. VFD Running Reverse
t221 = 3
3. VFD Desired Frequency Attai...
Thank You
nfi
www.nfiautomation.org
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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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