ABB ACS880 Firmware Manual page 429

No. Name / Range /
Selection
DIO1
DIO2
Other [bit]
40.39 Set 1 deadband
range
0.0 ... 32767.0
40.40 Set 1 deadband
delay
0.0 ... 3600.0 s
40.41 Set 1 sleep mode
Not selected
Internal
External
40.42 Set 1 sleep enable
Not selected
Selected
Description
Digital input/output DIO1
0).
Digital input/output DIO2
1).
See Terms and abbreviations (page
Defines a deadband around the setpoint. Whenever
process feedback enters the deadband, a delay timer
starts. If the feedback remains within the deadband
longer than the delay (40.40 Set 1 deadband
PID controller output is frozen. Normal operation
resumes after the feedback value leaves the deadband.
40.39 Set 1
deadband range
Setpoint
Feedback
PID controller
output
Deadband range.
Delay for the deadband. See parameter
deadband range.
Delay for deadband area.
Selects the mode of the sleep function.
See also section Process PID control (page
Sleep function disabled.
The output of the PID controller is compared to the
value of 40.43 Set 1 sleep
If the PID controller output remains below the sleep
level longer than the sleep delay
delay), the drive enters sleep mode.
Parameters 40.44...40.48
The sleep function is activated by the source selected
by parameter 40.42 Set 1 sleep
Parameters 40.44...40.46
Defines a source that is used to activate the PID sleep
function when parameter
to External.
0 = Sleep function disabled
1 = Sleep function activated
0
1
(11.2 DIO delayed status, bit
(11.2 DIO delayed status, bit
169).
delay), the
40.40 Set 1 deadband delay
40.39 Set 1
109).
level.
(40.44 Set 1 sleep
are in force.
enable.
and 40.48 are in force.
40.41 Set 1 sleep mode
Parameters 429
Def / Type
FbEq 16b / 32b
10
11
0.0 / real32
PID controller
output frozen
Time
1 = 1 / 10 = 1
0.0 s / real32
1 = 1 s / 10 = 1 s
Not selected / uint16
0
1
2
Not selected / uint32
is set
0
1