TORCH SETUP
powermax
45
Operator Manual 3-27
Connect a machine interface cable
The Powermax45 is equipped with a factory-installed voltage divider that is designed to be safely
connected without tools. The built-in voltage divider provides a 50:1 arc voltage. A receptacle on
the rear of the power supply provides access to the 50:1 arc voltage and signals for arc transfer
and plasma start.
Caution: The factory-installed internal voltage divider provides a maximum of
7 V under open circuit conditions. This is an impedance-protected
functional extra low voltage (ELV) output to prevent shock, energy,
and fire under normal conditions at the machine interface receptacle
and under single fault conditions with the machine interface wiring.
The voltage divider is not fault tolerant and ELV outputs do not
comply with safety extra low voltage (SELV) requirements for direct
connection to computer products.
Hypertherm offers several choices of machine interface cables for the Powermax45:
• To use the built-in voltage divider that provides a 50:1 arc voltage in addition to signals for
arc transfer and start plasma:
— Use part number 228350 (25 ft, 7.62 m) or 228351 (50 ft, 15.24 m) for wires
terminated with spade connectors (example shown below).
– Use part number 123896 (50 ft, 15.24 m) for a cable terminated with a D-sub connector.
(Compatible with Hypertherm’s Edge Ti and Sensor PHC products.)
• To use signals for arc transfer and start plasma only, use either part number 023206
(25 ft, 7.63 m) or part number 023279 (50 ft, 15.24 m). These cables have spade
connectors as shown here:
Note: The cover on the machine interface receptacle prevents dust and moisture from
damaging the receptacle when not in use. This cover should be replaced if damaged
or lost (part number 127204).
See Section 6, Parts, for more information.
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