Hypertherm H401 Power Supplies - Manual (Page 31)

INSTALLATION
H401 & H601 Instruction Manual 3-7
5
PAC500 Control Cable with H401 or H601
The power supply control cable from the PAC500 console to the H401 or H601 power supply carries signals for the
contactor control relay, and the pilot arc ground. Note: For PAC500L use cable as designated in manual 800460.
Contactor control relay connection
Location: Power supply center wall
White wire #57
Black wire #58
Pilot arc ground connection
Location: +DC output
Red wire #27
Caution: The power supply contactor (CON) is energized by the control relay (CR1).
Energizing the contactor directly with the plasma console circuitry will result
in damage to the console flow switches due to excessive inrush currents.
PAC500 Control Cable Connections
57 58
Machine Start
1 2 3
E F (ref)
27
Part No. Length
028009 50 ft (15 m)
128088 150 ft (46 m)
128089 175 ft (53 m)
PAC500 Wire Terminal
2RECP End Color End Connection Function
2RECP-A White 57 T-1 Machine Start
2RECP-B Black 58 T-2 Machine Start
2RECP-C Red 27 + DC Output P.A. Ground
2RECP-D Green Gnd No Connection Spare