Panasonic VF0 Series Instruction Manual page 71

5. Auxiliary stop function (Parameters: P19, P20, P21/Data setting value: 4)
Inverter operation status
Inverter trip state
Start/stop signal
Auxiliary stop signal
6. Coast-to-stop function (Parameters: P19, P20, P21/Data setting value: 5)
Inverter operation status
Start/stop
Coast-to-stop signal
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This function is used to carry out fault stop (emergency stop) from a source outside of
the inverter.
In the normal state, the ON signal is input. A fault stop will occur when this is turned
OFF. (The fault display is "AU".)
<<Example>> When SW1 (parameter P19=4) is set to auxiliary stop, and local/
external control is set to "2"
Closed
∗ Even if the auxiliary stop signal is "opened", the fault can be reset by turning the
start/stop signal OFF. However, a fault trip will occur when the start/stop signal is
turned ON again. Normal operation can be resumed by "closed" the auxiliary stop
signal and then turning the start/stop signal ON.
This function is used to coast the inverter to a stop with a signal from an external
source.
(The fault display and fault warning output are not output.)
<<Example>> When SW1 (parameter P19=5) is set to coast to a stop, and local/
external control is set to "2"
signal
[Important] The inverter will restart immediately if the start/stop signal is ON when
the coast-to-stop signal changes from ON to OFF. Provide sufficient
safety means.
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Auxiliary
stop
Fault reset
Run
ON
ON
Opened
Closed
Coast-to-stop Coast-to-stop
Run Run
ON
ON ON
[Terminal connection]
Run
3
Common
Start/stop
5
ON
Auxiliary
7
signal
b contact signal
[Terminal connection]
Common
3
Start/stop
5
Coast-to-stop
7
signal
stop
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