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5.4 Control parameters
5.4.1 PID controller
Command
C:I
The control function will be parameterized via this command.
The P, I and D gain are similar to a standard PID controller. The T1 factor is used for the D-gain in order to
suppress high-frequency noise.
Via the OFFSET value the output is controlled directly. The PID closed loop control function has only to adjust
the difference (the error). This leads to a stable control behavior and also to a dynamic drive. This parameter
is active only if valves with one solenoid are used (-> SIGNAL:U).
Value 0 deactivates the integrator.
w command
0.. 10 V
value scaling
4.. 20 mA
x feedback
0.. 10 V
value scaling
4.. 20 mA
Page 24 of 34
Parameter
X
I=
P|I|D|D_T1|OFFSET
:P
x= 0... 10000
:I
x= 0... 30000
:D
x= 0...
:D_T1 x= 0...
:FF
x= 0... 10000
ramp
w
function
x
PQP-171-P
Unit
0.01
0.1 ms
1200
0.1 ms
1000
0.1 ms
0.01 %
Group
CL
C:OFFSET
C_EXT:FF
C_EXT:PT1
C_EXT:T1
C:P
C:I
C:I_LIM
C:D
C:D_T1
05.06.2020
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