HT2000 SETUP
3b-6 CommandTHC for X-Y Table Instruction Manual
7
Figure 3b-3 HT2000 interface cable – part number and signal list
Part number
Description Length
123329 HT2000 Power Supply Interface Cable 6 ft./1.8 m
Shaded area indicates plasma interface assembly connections.
Plasma interface assembly other J3 and J4 connection points:
• J3-5 (+) and J3-6 (–) – Alternate Nozzle Contact. An optically isolated signal that indicates nozzle is in ohmic contact with work.
Ohmic contact is represented by a logic 1.
• J3-7 through J3-12 – Reserved for future use.
• J3-13 and J3-14 – Protective earth ground.
• J4-1 (+) and J4-2 (–) – Available 24 VDC, 500 mA maximum
• J4-7 and J4-8 – Pierce Complete signal used by power supply to time transition from pierce gas flow to cut gas flow. User enters
this time delay into THC. Output signal.
• J4-9 through J4-12 – Reserved for future use.
Power Plasma
Supply CNC Interface
Signal Name Color End (1X6) End End Function
Hold – Black 5 Not J4-6 (Optional) Hold Ignition (I/O) signal used for preflow
during
Hold + White 1 Connected J4-5 IHS. Also used by power unit to synchronize operation
Drain Drain 10 of multiple torch installations. Output signal.
Plasma Start – Black 9 Not J4-4 Plasma Start signal maintained during plasma cut. If
Plasma Start + Blue 15 Connected J4-3 signal is lost, system must be restarted. Output signal.
Drain Drain 14
Arc Transfer – Black 32 Not J3-2 Arc Transfer signal. Contact closes after arc transfer
Arc Transfer + Red 37 Connected J3-1 and pierce delay (set on power supply front panel).
Drain Drain 26 Dry contact closure. Input signal.
Arc Voltage Black 28 28 Not
Arc Voltage Yellow 33 33 Connected
Drain Drain 27 27
Not Used Black 7 7 Not These signals connect to the CNC. Refer to HT2000
Not Used Brown 3 3 Connected Instruction manual for signal information.
Drain Drain 12 12
Not Used Black 16 16 Not
Not Used Green 17 17 Connected
Drain Drain 18 18
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