A427, A431, A432 – Rockwell Automation 25B PowerFlex 520-Series Adjustable Frequency AC Drive User Manual User Manual
Page 108: Set in, A430, A426, Advanced program group (continued)
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Rockwell Automation Publication 520-UM001G-EN-E - September 2014
Chapter 3
Programming and Parameters
Advanced Program Group (continued)
A426 [Keypad Freq]
Provides the drive frequency command using the built-in keypad navigation. When
[Speed Referencex] selects 2 “Keypad Freq”, the value set in this parameter
controls the frequency of the drive. The value of this parameter can also be changed when navigating with the keypad by pressing the Up or Down arrow keys.
Values
Default:
60.00 Hz
Min/Max:
0.00/500.00 Hz
Display:
0.01 Hz
A427 [MOP Freq]
Provides the drive frequency command using the built-in Motor Operated Potentiometer (MOP).
Values
Default:
60.00 Hz
Min/Max:
0.00/500.00 Hz
Display:
0.01 Hz
IMPORTANT
Frequency is not written to non-volatile storage until drive is powered-down. If both MOP Up and MOP Down are applied at the same time, the inputs are
ignored and the frequency is unchanged.
A428 [MOP Reset Sel]
Determines if the current MOP reference command is saved on power down.
Options
0 “Zero MOP Ref”
Resets the MOP frequency to zero on power down and stop.
1 “Save MOP Ref” (Default)
A429 [MOP Preload]
Determines the operation of the MOP function.
Options
0 “No preload” (Default)
1 “Preload”
Bumpless Transfer: whenever MOP mode is selected, the current output value of the speed is loaded.
A430 [MOP Time]
Sets the rate of change of the MOP reference.
Values
Default:
10.0 s
Min/Max:
0.1/600.0 s
Display:
0.1 s
A431 [Jog Frequency]
Sets the output frequency when a jog command is issued.
Values
Default:
10.00 Hz
Min/Max:
0.00/[Maximum Freq]
Display:
0.01 Hz
A432 [Jog Accel/Decel]
Sets the acceleration and deceleration time used when in jog mode.
Values
Default:
10.00 s
Min/Max:
0.01/600.00 s
Display:
0.01 s