Def / Type
FbEq 16b / 32b
Description
Name / Range /
Selection
No.
Parameter values for process PID control.
Process PID set 1
40
The drive contains a single active PID controller for
process use, however two separate complete set-ups
can be programmed and stored.
The first set is made up of parameters
*,
the second set is defined by the parameters in group
. The binary source that defines
which set is used is selected by parameter
.
See section
Process PID control (page 109)
, and the
control chain diagrams on pages
and
.
*The remaining parameters in this group are common
for both sets.
- / real32
Displays the output of the process PID controller. See
the control chain diagram on page
Process PID output
actual
40.1
This parameter is read-only. The unit is selected by
parameter
.
1 = 1 / 10 = 1
Process PID controller output.
-32768.0 ... 32767.0
- / real32
Displays the value of process feedback after source
selection, mathematical function (parameter
Process PID
feedback actual
40.2
), and filtering. See the control chain
diagram on page
This parameter is read-only. The unit is selected by
parameter
.
1 = 1 / 100 = 1
Process feedback.
-32768.00 ...
32767.00
- / real32
Displays the value of process PID setpoint after source
selection, mathematical function (
Process PID setpoint
actual
40.3
), limitation and ramping. See the control chain
diagram on page
This parameter is read-only. The unit is selected by
parameter
.
1 = 1 / 100 = 1
Setpoint for process PID controller.
-32768.00 ...
32767.00
- / real32
Displays the process PID deviation. By default, this
value equals setpoint - feedback, but deviation can be
Process PID
deviation actual
40.4
inverted by parameter
40.31 Set 1 deviation inversion
.
See the control chain diagram on page
.
This parameter is read-only. The unit is selected by
parameter
.
1 = 1 / 100 = 1
PID deviation.
-32768.00 ...
32767.00
- / real32
Displays the trimmed reference output. See the control
chain diagram on page
Process PID trim
output act
40.5
This parameter is read-only. The unit is selected by
parameter
.
1 = 1 / 1 = 1
Trimmed reference.
-32768...32767
- / uint16
Displays status information on process PID control.
This parameter is read-only.
Process PID status
word
40.6
1 = Process PID control active.
PID active
b0
420 Parameters
Содержание ACS880 Series
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