E6581531
F-31
6
6.18 PID
control
H
:
PID control switching
H
: PID control feedback control signal selection
H
: Delay filter
H
: Proportional (P) gain
H
: Integral (I) gain
H
: PID deviation upper limit
H
: PID deviation lower limit
H
:
Differential (D) gain
H
: Process upper limit
H
: Process lower limit
H
: PID control waiting time
H
: PID output upper limit
H
: PID output lower limit
H
: Process increasing rate
(speed type PID control)
H
: Process decreasing rate
(speed type PID control)
H
: Frequency command
agreement detection range
H
: PID output dead band
⇒
For details, see instruction Manual(E6581329)specified in Section.
[Parameter setting]
Title
Function
Adjustment range
Default setting
H
PID control switching
:No PID control
:Process type PID control
(temp./pressure, etc.) operation
:Speed type PID control
(potentiometer, etc.) operation
: Function none
: Dancer control
H
PID control feedback control signal
selection
:Deviation input (no feedback
input)
:VI/II (voltage/current input)
:RR/S4 (potentiometer/voltage
input)
:RX (voltage input)
:Optional AI1 (differential current
input)
:Optional AI2 (voltage/current
input)
: PG feedback option
H
Delay filter
~
H
Proportional (P) gain
~
H
Integral (I) gain
~
H
PID deviation upper limit
NN
~
WN
Hz
(Note 1)
H
PID deviation lower limit
NN
~
WN
Hz
(Note 1)
H
Differential (D) gain
~
H
Process upper limit
NN
~
WN
Hz
(Note 1)
H
Process lower limit
NN
~
WN
Hz
NN
H
PID control waiting time
~
sec.
H
PID output upper limit
NN
~
WN
Hz
(Note 1)
H
PID output lower limit
NN
~
WN
Hz
NN
H
Process increasing rate (speed type
PID control)
~
H
Process decreasing rate (speed type
PID control)
~
H
Frequency command agreement
detection range
~
HJ
Hz
H
PID output dead band
~
%
Note 1: Refer to page K-14.
・
Function
Using feedback signals (4 to 20mA, 0 to 10V) from a detector, process control can be exercised, for
example, to keep the airflow, amount of flow or pressure constant.