E6581386
F-31
6
6.18 PID control
  : PID control switching
 : 
PID control feedback control signal selection
  : Delay filter
 : Proportional (P) gain
 : Integral (I) gain
 : PID deviation upper limit
 : PID deviation lower limit
 : Differential (D) gain
 : Process upper limit
 : Process lower limit
 : PID control waiting time
 : PID output upper limit
 : PID output lower limit
 : Process increasing rate
(speed type PID control)
 : Process decreasing rate
(speed type PID control)
 : Frequency command
agreement detection range
⇒  For details, see instruction Manual(E6581329)specified in Section.
[Parameter setting]
Title Function Adjustment range Default setting
 PID control switching
:No PID control
:Process type PID control
(temp./pressure, etc.) operation
2:Speed type PID control
(potentiometer, etc.) operation
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
Delay filter ~
Proportional (P) gain 1~ 
Integral (I) gain ~ 
PID deviation upper limit ~ Hz *1
 PID deviation lower limit ~ Hz *1
 Differential (D) gain ~ 
 Process upper limit ~ Hz *1
 Process lower limit ~ Hz 
 PID control waiting time ~ sec. 
 PID output upper limit ~ Hz *1
 PID output lower limit ~ Hz 
Process increasing rate (speed type
PID control)
~ 
Process decreasing rate (speed type
PID control)
~ 
Frequency command agreement
detection range
~ Hz 
*1: Inverter with a model number ending with    -WN:   -WP: 
 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.