ABB DriveIT ACH550-01 User Manual page 306

Code Description
Note! The ACH550 always coasts to stop when autochange is
performed.
In an autochange, the Autochange function does all of the following
(see figure):
• Initiates a change when the running time, since the last
autochange, reaches 8118
below limit 8119
PID Output
100%
P 8119
3PFA
2PFA
1PFA
A = Area above 8119
autochange not allowed.
B = Autochange occurs.
1PFA, etc. = PID output associated with each motor.
302
AUTOCHNG INTERV
AUTOCHNG LEVEL
4PFA
P 8118
B
AUTOCHNG LEVEL
Parameter listing and descriptions
ACH550 User's Manual
Range
, and PFA input is
.
A
2PFA
3PFA
4PFA
t
P 8122
P 8118
–