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Function assignment of external terminal and control
(2)
Inverter operation ready signal (RY signal) and inverter running signal (RUN signal)
ON
Power supply
STF
RH
Pr. 13 Starting frequency
Reset processing
RY
RUN
When the inverter is ready to operate, the output of the operation ready signal (RY) is ON. (It is also ON during inverter running.)
When the output frequency of the inverter rises to or above Pr. 13 Starting frequency , the output of the inverter running signal
(RUN) is turned on. During an inverter stop or DC injection brake operation, the output is off.
When using the RY and RUN signals, assign functions to Pr.190 or Pr.192 (output terminal selection function) referring to the
table below.
Output
Pr. 190 to Pr. 192 Setting
Positive logic
Negative logic
Signal
RY
11
111
RUN
0
100
Inverter
Start
Status
Start
Start
Signal
Signal ON
Signal ON
OFF
(during
(during
Output
(during
stop)
operation)
signal
stop)
RY
ON
ON
ON
RUN
OFF
OFF
ON
∗1
This signal turns OFF during power failure or undervoltage.
REMARKS
The RUN signal (positive logic) is assigned to the terminal RUN in the initial setting.
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OFF
ON
OFF
ON
DC injection brake operation point
DC injection brake operation
ON
OFF
ON
OFF
At Alarm
Instantaneous Power Failure
Under DC
Occurrence
Injection Brake
or MRS Signal ON
Start
signal
(output shutoff)
ON
OFF
OFF
OFF
Time
Automatic Restart after
Coasting
Start
Restarting
signal
ON
OFF
ON ∗1
ON
OFF
ON
4
121
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