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E6581301
F-34
6
- Warning -
• When switching to commercial power, make sure that the direction in which the motor rotates when operated
on commercial power agrees with the forward direction when operated via the inverter.
• Do not select any option (
H
=
) of
H
(reverse rotation prohibition selection) that prohibits forward
rotation. Or it becomes impossible to switch to commercial power, because the motor cannot rotate in the
forward direction.
6.20 PID control
H
HH
H
: PID control switching
H
HH
H
:
PID control feedback control signal selection
H
HH
H
: Delay filter
H
HH
H
: Proportional (P) gain
H
HH
H
: Integral (I) gain
H
HH
H
: PID deviation upper limit
H
HH
H
: PID deviation lower limit
H
HH
H
: Differential (D) gain
H
HH
H
: Process upper limit
H
HH
H
: Process lower limit
H
HH
H
: PID control waiting time
H
HH
H
: PID output upper limit
H
HH
H
: PID output lower limit
H
HH
H
: Process increasing rate
(speed type PID control)
H
HH
H
: Process decreasing rate
(speed type PID control)
H
HH
H
: PID output dead band
ą 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
2:Speed type PID control
(potentiometer, etc.) operation
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 1~
H
Integral (I) gain ~
H
PID deviation upper limit NN~WN Hz *1
H PID deviation lower limit NN~WN Hz *1
H Differential (D) gain ~
H Process upper limit NN~WN Hz *1
H Process lower limit NN~WN Hz NN
H PID control waiting time ~ sec.
H PID output upper limit NN~WN Hz *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 PID output dead band ~
*Ძ: Inverter with a model number ending with -WN,HN: -WP:
ῒ
ῒῒ
ῒFunction
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.