Chapter 5 Parameter Introductions
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2: Continue to operate at the frequency when the inverter stops
Note:
Restart from first stage
If the inverter stops during PLC operation because of receiving stop command or
fault, or power loss, it will restart from the first step after restarting.
Continue from the step where the inverter stops
When the inverter stops during PLC operation because of receiving stop command
or fault, it will record the operating time and will continue from the step where the
inverter stops, and restart at the frequency defined for this step, as shown in
Fig.5-5-4.
T1 T2 T3 T4 T6 T7
Run command
f1
f2
f3
f4
f5
f6
f7
Operation Freq.(Hz)
Time
Stopping signal
Continue from the stage where the inverter stops
a1
a2
d3
a3
a4
d5
a5
a6
a7
Operating time
of stage 5
Remnant time
of stage 5
Fig. 5-5-4 PLC start mode 1
Continue to operate at the frequency when the inverter stops
When the inverter stops during PLC operation because of receiving STOP
command or fault, it will record the operating time and the current frequency. It will
continue running at the recorded frequency after restart, as shown in Fig. 5-5-5.