102 Powermax125 Service Manual 808070
7 – Mechanized Cutting
Machine interface pinout
Figure 2 – Connector sockets
Refer to Table 11 when connecting the power supply to a torch height controller or CNC controller with a machine
interface cable.
Table 11 – Machine interface cable signals
Signal Type Notes Connector sockets External cable wires
Start (start
plasma)
Input Normally open.
18 VDC open circuit voltage at
START terminals. Requires dry
contact closure to activate.
3, 4 Green, black
Transfer (start
machine motion)
Output Normally open. Dry contact closure
when the arc transfers.
120 VAC/1 A maximum at the
machine interface relay.
12, 14 Red, black
Ground Ground 13
Voltage divider Output Divided arc signal of 20:1, 21.1:1,
30:1, 40:1, 50:1 (provides a
maximum of 16 V).
5(-), 6(+) Black (-), white (+)
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