Aux relay card group (continued) – Rockwell Automation 22C PowerFlex 400 AC Drive FRN 1.xx - 7.xx User Manual
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Programming and Parameters
PowerFlex 400 Adjustable Frequency AC Drive FRN 1.xx - 7.xx User Manual
Publication 22C-UM001I-EN-P
Aux Relay Card Group (continued)
R242 [Aux 1 Stop Freq]
R245 [Aux 2 Stop Freq]
R248 [Aux 3 Stop Freq]
Sets the frequency that causes the next running auxiliary motor to turn off.
Values
Default:
25.0 Hz
Min/Max:
0.0/320.0 Hz
Display:
0.1 Hz
R243 [Aux 1 Ref Add]
R246 [Aux 2 Ref Add]
R249 [Aux 3 Ref Add]
Sets the amount to add to the PID reference once the next auxiliary motor is turned on to compensate
for a drop in the pipe due to the increased flow in a typical pump system.
Values
Default:
0.0%
Min/Max:
0.0/100.0%
Display:
0.1%
R250 [Aux Start Delay]
Sets the delay time before turning on the next auxiliary motor once the output frequency has risen
above the value set in [Aux X Start Freq].
Values
Default:
5.0 Secs
Min/Max:
0.0/999.9 Secs
Display:
0.1 Secs
R251 [Aux Stop Delay]
Sets the delay time before turning off the next running auxiliary motor once the output frequency has
dropped below the value set in [Aux X Stop Freq].
Values
Default:
3.0 Secs
Min/Max:
0.0/999.9 Secs
Display:
0.1 Secs
R252 [Aux Prog Delay]
Sets the time delay between connecting the drive controlled motor contactor and running the drive
controlled motor and starting the auxiliary motor control.
Values
Default:
0.50 Secs
Min/Max:
0.00/60.00 Secs
Display:
0.01 Secs