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320 Parameters
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
(
), the PID controller output is
frozen. Normal operation resumes after the feedback value
leaves the deadband.
0.0
0.0 … 32767.0
Deadband range.
1 = 1
Delay for the deadband. See parameter
0.0 s
0.0 … 3600.0 s
Delay for deadband area.
1 = 1 s
Selects the mode of the sleep function.
See also section
Sleep function for process PID control
(page
Not selected
Sleep function disabled.
0
Internal
The output of the PID controller is compared to the value of
.
If the PID controller output remains below the sleep level
longer than the sleep delay (
), the
drive enters sleep mode.
Parameters
…
are in force.
1
External
The sleep function is activated by the source selected by
parameter
.
…
are in force.
2
Defines a source that is used to activate the PID sleep
function when parameter
is set to
0 = Sleep function disabled
1 = Sleep function activated
Not selected
0.
0
Selected
1.
1
DI1
Digital input DI1 (
, bit 0).
2
DI2
Digital input DI2 (
, bit 1).
3
DI3
Digital input DI3 (
, bit 2).
4
No.
Name/Value
Description
Def
/
FbEq16
Setpoint
Time
Feedback
PID controller
output
PID controller
output frozen
Содержание ACS880-x04
Страница 1: ... ABB INDUSTRIAL DRIVES ACS880 primary control program Firmware manual ...
Страница 4: ......
Страница 18: ...18 Using the control panel ...
Страница 24: ...24 Control locations and operating modes ...
Страница 111: ...Application macros 111 Fieldbus control macro This application macro is not supported by the current firmware version ...
Страница 112: ...112 Application macros ...
Страница 496: ...496 Additional parameter data ...
Страница 544: ...544 Fault tracing ...
Страница 602: ...602 Control chain diagrams ...