Hypertherm POWERMAX 45 - Accessing Raw Arc Voltage

torch setup
powermax 45 Operator Manual 3-27
Refer to the following table when connecting the Powermax45 to a torch height controller or CNC with a machine
interface cable.
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 or switching device
(supplied by the customer).
12, 14 Red, black
Ground Ground 13
Voltage divider Output
Divided arc signal of 50:1 (provides a
maximum of 7V).
5(-), 6(+) Black(-), white(+)
Accessing raw arc voltage
If you should need to access raw arc voltage, contact your Hypertherm distributor or authorized Hypertherm repair
facility for assistance.
WARNING
HIGH VOLTAGE AND CURRENT
Connecting directly to the plasma circuit for access to raw arc voltage increases the risk of shock
hazard, energy hazard, and fire hazard in the event of a single fault. The output voltage and the
output current of the circuit are specified on the data plate.