Mitsubishi Electric FR-F820-00046, Instruction Manual

Page: 564 / 940

(A) Application parameters Parameters
5 - 392
5.11.9 Multi-pump function (Advanced PID function)
PID control function can adjust the volume of water, etc. by controlling pumps. When the motor out-
put is insufficient, auxiliary motors can be driven by the commercial power supply. Up to three aux-
iliary motors can be connected.
Pr. Name
Initial value
Setting
range
Description
FM CA
578
A400
Auxiliary motor operation
selection
0
0 No auxiliary motor operation
1 to 3 Set the number of auxiliary motors to be run.
579
A401
Motor connection function
selection
0
0 Basic system
1 Alternative system
2 Direct system
3 Alternative direct system
580
A402
MC switching interlock time 1 s 0 to 100 s Set the MC switchover interlock time.
581
A403
Start waiting time 1 s 0 to 100 s
Set the time from when the MC is switched until it
starts. Set this time a little longer than the MC
switching time.
582
A404
Auxiliary motor connection-
time deceleration time
1 s
0 to 3600 s
Used to decrease the output frequency of the
inverter when a motor connection occurs. Set the
deceleration time for decreasing the output
frequency.
9999
The output frequency is not decreased when a
motor connection occurs.
583
A405
Auxiliary motor
disconnection-time
acceleration time
1 s
0 to 3600 s
Used to increase the output frequency of the
inverter when a motor connection occurs. Set the
acceleration time for increasing the output
frequency.
9999
The output frequency is not increased when a
motor connection occurs.
584
A406
Auxiliary motor 1 starting
frequency
60 Hz 50 Hz 0 to 590 Hz
Set the frequency to start the auxiliary motor.
585
A407
Auxiliary motor 2 starting
frequency
60 Hz 50 Hz 0 to 590 Hz
586
A408
Auxiliary motor 3 starting
frequency
60 Hz 50 Hz 0 to 590 Hz
587
A409
Auxiliary motor 1 stopping
frequency
0 Hz 0 to 590 Hz
Set the frequency to stop the auxiliary motor.
588
A410
Auxiliary motor 2 stopping
frequency
0 Hz 0 to 590 Hz
589
A411
Auxiliary motor 3 stopping
frequency
0 Hz 0 to 590 Hz
590
A412
Auxiliary motor start
detection time
5 s 0 to 3600 s
Set the delay time until the auxiliary motor is
started.
591
A413
Auxiliary motor stop
detection time
5 s 0 to 3600 s
Set the delay time until the auxiliary motor is
stopped.
1370
A442
Detection time for PID
limiting operation
0 s 0 to 900 s
Set the time until the auxiliary motor is stopped
when the PID overpressure control function is
used.
1376
A414
Auxiliary motor stopping
level
9999
0 to 100%
Set the level for stopping the auxiliary motor by
the PID overpressure control function.
9999 The PID overpressure control function is disabled.
NOTES Refer to page 5-353 to set PID control.
When using the SLEEP function, refer to page 5-366 to set the function.