224 ArcGlide THC Instruction Manual 806450
4 – Maintenance
Discrete plasma interface board (141094)
You can order the discrete plasma board in 2 different kits:
Kit number Description
228576 Plasma interface board subassembly
228572 Plasma interface board subassembly and enclosure
LEDs*
LED No. Color Signal
D1 Green Plasma on
D2 Green Plasma start
D3 Green Arc transfer
D4 Green THC on
* If the THC control board is configured with dry contacts, LED operation on the discrete plasma interface board is reversed and
the LEDs will turn OFF when input is active. See THC processor board (228578) on page 220 for the location of this switch.
J1 HPR interface
1
18
34
17
33
50
1
16 16
11
J4 Arc voltage
Electrode -
Work +
Contact closure inputs
to the THC
Contact closure outputs
from the THC
J3J2
Back view
Front view
J5 THC discrete
cable connector
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