Rockwell Automation 25B PowerFlex 520-Series Adjustable Frequency AC Drive User Manual - Manual (Page 112)

112 Rockwell Automation Publication 520-UM001G-EN-E - September 2014
Chapter 3 Programming and Parameters
Advanced Program Group (continued)
A444 [Accel Time 3]
A446 [Accel Time 4]
Sets the rate of acceleration for all speed increases when selected by digital inputs.
Values Default: 10.00 s
Min/Max: 0.00/600.00 s
Display: 0.01 s
A445 [Decel Time 3]
A447 [Decel Time 4]
Sets the rate of deceleration for all speed decreases when selected by digital inputs.
Values Default: 10.00 s
Min/Max: 0.00/600.00 s
Display: 0.01 s
A448 [Skip Frequency 1] Related Parameter(s): A449 , A451 , A453 , A455
A450 [Skip Frequency 2]
A452 [Skip Frequency 3]
A454 [Skip Frequency 4]
PowerFlex 525 only.
Works in conjunction with A449 , A451 , A453 and A455 [Skip Freq Band x] creating a range of frequencies at which the drive does not operate continuously.
Values Default: 0.0 Hz (Disabled)
Min/Max: 0.0/500.0 Hz
Display: 0.1 Hz
PF 525
A449 [Skip Freq Band 1] Related Parameter(s): A448 , A450 , A452 , A454
A451 [Skip Freq Band 2]
A453 [Skip Freq Band 3]
A455 [Skip Freq Band 4]
PowerFlex 525 only.
Determines the band around A448 , A450 , A452 and A454 [Skip Frequency x].
Values Default: 0.0 Hz
Min/Max: 0.0/30.0 Hz
Display: 0.1 Hz
PF 525
Frequency
Time
Skip Frequency
Command
Frequency
Drive Output
Frequency
2x Skip
Frequency Band