2. Remove the machine interface receptacle’s cover from the rear of the power supply.
3. Connect the machine interface cable to the power supply.
Refer to the following table when connecting the CUT system to a torch height controller or CNC
controller with a machine interface cable.
signal
type
Instruction
The connector
socket
Cable ends
Start (start plasma)
Input
Normally open.
18 VDC open circuit voltage at
START terminals.
Requires dry contact closure to
activate.
8
、
9
8
（
yellow
）、
9
（
green
）
Transfer(start
machine
motion)
Output
Normally open. Dry contact
closure when the arctransfers.
120 VAC/1 A maximum at the
machine interface relayor
switching device (supplied by
the customer).
13
、
14
13
（
blue
）、
14
（
white
）
d
n
u
o
r
G
d
n
u
o
r
G
Voltage divider
Output
CUT: Divided arc signal of
20:1,30:1, 40:1, 50:1 (provides a
maximum of 18 V).
6
（
+
）、
7
（
-
）
6
（
red
）、
7
（
black
）
Setting the five-position voltage divider on the CUT
The factory presets the voltage divider to 20:1. To change the voltage divider to a different
setting:
1. Turn OFF the power supply and disconnect the power cord.
Arc Signal
Pilot Arc Signal
Torch Switch Signal
14
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ADVANCECUT 75
