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PID control
4
PARAMETERS
(4) Motor switchover timing
· Switchover timing at a start (stop) of an auxiliary motor 1 in the basic system (Pr. 579 = "0") and alternative
system (Pr. 579 = "1").
· Switchover timing at a start (stop) of an auxiliary motor 1 in the direct system (Pr. 579 = "2") and alternative-
direct system (Pr. 579 = "3").
ON
OFF
Relay output
ON
OFF
Relay output
Pr. 591
Motor stop detection time
Output frequency
Maximum
frequency
Pr. 587:
Motor stopping
frequency
Minimum
frequency
Pr. 590:
Motor start detection time
Pr. 584:
Motor starting
frequency
Variation
Pr. 584-Pr. 587
Flow
When the number o
f
motors increases
When the number o
f
motors decreases
START
STOP
Pr. 591
"Motor stop detection time"
Pr. 580 + Pr. 581
Pr. 584:
Motor starting
frequency
Minimum
frequency
Pr. 587:
Motor stopping
frequency
"Interlock time" + "start waiting time"
Maximum
frequency
Flow
Variation
Pr. 584-Pr. 587
Pr. 590:
Motor start detection time
When the number of
motors increases
When the number of
motors decreases
Output frequency
ON
OFF
Relay output
ON
OFF
Relay output