
282 Parameter listing and descriptions
ACH550-01 User's Manual
4024 PID SLEEP DELAY 0.0…3600 s
Sets the time delay for the PID sleep function – a motor speed/
frequency below 4023
PID SLEEP LEVEL for at least this time period
enables the PID sleep function (stopping the drive).
• See 4023
PID SLEEP LEVEL above.
4025 WAKE-UP DEV unit and scale defined
by par. 4106 and 4107
Defines the wake-up deviation – a deviation from the setpoint greater
than this value, for at least the time period 4026
WAKE-UP DELAY, restarts
the PID controller.
• Parameters 4006 and 4007 define the units and scale.
• Parameter 4005 = 0,
Wake-up level = Setpoint - Wake-up deviation.
• Parameter 4005 = 1,
Wake-up level = Setpoint + Wake-up deviation.
• Wake-up level can be above or below setpoint.
See the figure:
• C = Wake-up level when parameter 4005 = 1
• D = Wake-up level when parameter 4005 = 0
• E = Feedback is above wake-up level and lasts longer than 4026
WAKE-UP DELAY – PID function wakes up.
• F = Feedback is below wake-up level and lasts longer than 4026
WAKE-UP DELAY – PID function wakes up.
4026 WAKE-UP DELAY 0…60 s
Defines the wake-up delay – a deviation from the setpoint greater than
4025
WAKE-UP DEV, for at least this time period, restarts the PID
controller.
• See 4023
PID SLEEP LEVEL above.
Code Description Range
P 4025
Setpoint
P 4025
C
D
P 4026
E
F
P 4026
t
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