ESAB ESP-101 Manuel D'instruction page 285

sectIoN 6
6.5 Reference voltage checks
A. control Board Assembly (pcB1)
1. voltage test points - Tests are made with power on - no arc.
TP-15 - Ground
TP-12 - +15 vdc
TP-13 - +5 vdc
TP-14 - -15 vdc
B. Interface Board (pcB2)
1. voltage test points
TP-1 - +24 vdc
TP-2 - +24 vdc com
36 vdc
15 vdc
0
54 µsec
For 208/230 VAC input, the IGBT off time is 3µsec.
For 400/460 VAC input, the IGBT off time is 3µsec.
figure 6.1 IGBt Gating signal
285
2. led's
D18 - Torch Trigger
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