ABB ACS355 User Manual page 269

All parameters
No. Name/Value
4023 PID SLEEP
LEVEL
0.0...500.0 Hz /
0...30000 rpm
4024 PID SLEEP
DELAY
0.0...3600.0 s
Description
Defines the start limit for the sleep function. If the motor
speed is below a set level (4023) longer than the sleep
delay (4024), the drive shifts to the sleeping mode: The
motor is stopped and the control panel shows alarm
message PID SLEEP
Parameter 4022 SLEEP SELECTION
INTERNAL.
PID process feedback
Wake-up level
deviation (4025)
PID ref
PID output level
t = Sleep delay
sd
(4024)
t < t
sd
Sleep level
(4023)
Sleep start level
Defines the delay for the sleep start function. See parameter
4023 PID SLEEP LEVEL. When the motor speed falls below
the sleep level, the counter starts. When the motor speed
exceeds the sleep level, the counter is reset.
Sleep start delay
Actual signals and parameters 269
(2018).
must be set to
Wake-up delay
(4026)
Control
panel:
t
PID SLEEP
sd
Stop
Def/FbEq
0.0 Hz /
0 rpm
t
t
t
Start
1 = 0.1 Hz
1 rpm
60.0 s
1 = 0.1 s