ABB DriveIT ACH550-01 User Manual page 317

ACH550 User's Manual
Code Description
8124 ACC IN AUX STOP
Sets the PFA acceleration time for a zero-to-maximum frequency
ramp. This PFA acceleration ramp:
• Applies to the speed regulated motor, when an auxiliary motor is
switched off.
• Replaces the acceleration ramp defined in Group 22: Accel /
Decel.
• Applies only until the output of the regulated motor increases by
an amount equal to the output of the switched off auxiliary motor.
Then the acceleration ramp defined in Group 22: Accel / Decel
applies.
0 =
NOT SEL
0.1...1800 = Activates this function using the value entered as the
acceleration time.
f
OUT
A
Aux.
Motor
1
0
• A = speed regulated motor accelerating using Group 22
parameters (2202 or 2205).
• B = speed regulated motor decelerating using Group 22
parameters (2203 or 2206).
• At aux. motor start, speed regulated motor decelerates using
8125
DEC IN AUX START
• At aux. motor stop, speed regulated motor accelerates using
8124
ACC IN AUX STOP
Parameter listing and descriptions
.
P 8125
.
.
Range
0.0...1800 s
B
P 8124
t
t
313