21-17 Ext. 1 Reference [Unit]
Range: Function:
0.000
Ex-
tPID1Un
it*
[-999999.999 - 999999.999
ExtPID1Unit]
Readout of the reference value for the Closed Loop 1 Controller.
21-18 Ext. 1 Feedback [Unit]
Range: Function:
0.000
Ex-
tPID1Un
it*
[-999999.999 - 999999.999
ExtPID1Unit]
Readout of the feedback value for the Closed Loop 1 Controller.
21-19 Ext. 1 Output [%]
Range: Function:
0 %* [0 - 100 %] Readout of the output value for the Closed Loop 1 Controller.
21-2* Closed Loop 1 PID
Configure the Closed Loop 1 PID controller.
21-20 Ext. 1 Normal/Inverse Control
Option: Function:
[0] * Normal
Select
Normal
[0] if the output should be reduced when feedback is higher
than the reference.
[1] Inverse
Select
Inverse
[1] if the output should be increased when feedback is
higher than the reference.
21-21 Ext. 1 Proportional Gain
Range: Function:
0.01 N/
A*
[0.00 - 10.00 N/A]
If (Error x Gain) jumps with a value equal to what is set in par.20-14
Maximum Reference/Feedb., the PID con-
troller will try to change the output speed equal to what is set in par. 4-13/4-14, Motor Speed High Limit, but in
practice of course limited by this setting.
The proportional band (error causing output to change from 0-100%) can be calculated by means of the formula:
(
1
Proportional
Gain
)
×
(
Max
Reference
)
Note
Always set the desired for par.20-14
Maximum Reference/Feedb. before setting the values for the PID controller
in par. group 20-9*.
Parameter Description
204 TR200 Programming Guide
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