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OPERATION
MACHINE INTERFACE
The
ARC START:
The Arc Start circuit allows for triggering of the power source to commence cutting. This circuit can be accessed through pins K and M of the 14 pin MS con- nector. The circuit has a 17 VDC nominal open circuit voltage and requires a dry contact closure to activate.
ARC INITIATED:
The Arc Initiated circuit provides information as to when a cutting arc has transferred to the work piece. This circuit can be accessed through pins I and J of the 14 pin MS connector. The circuit provides a dry contact closure when the arc has transferred. Input to this cir- cuit should be limited to 0.3 A for either 120VAC or 30VDC.
ARC VOLTAGE:
The Arc Voltage circuit can be used for activating a torch height control. This circuit can be accessed through pins D and G of the 14 pin MS connector. The circuit provides full electrode to work arc voltage (no voltage divider, 335VDC maximum).
Arc Start | K=2A | J=347 | Arc Initiated |
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| M=4A | I=348 |
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| L | H |
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| C | N |
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D=344 
G=343
EF
Arc Voltage
14 - PIN BOX RECEPTACLE, FRONT VIEW
Users wishing to utilize the Machine Interface can order a K867 Universal Adapter (please adhere to the pin locations stated above) or manufacture a 14 pin MS connector cable assembly.
