CIGWELD TRANSarc 130i, Service Manual

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Troubleshooting 6-8 Manual 0-5280
TRANSARC 170i
6.10 PCB Connectors
1 Inverter PCB
Art # A-11817
IN Header Pin Pin function signal
1 +15 15 VDC
2 IGBT 1 pwm drive signal, 15V p-p square wave 15 VDC pk
3 IGBT 2 pwm drive signal, 15V p-p square wave 15 VDC pk
4 IGBT 2 pwm drive signal, 15V p-p square wave 15 VDC pk
5 IGBT 1 pwm drive signal, 15V p-p square wave 15 VDC pk
6 Rectified secondary of current transformer TR8 15 VDC pk
7 0V 0 VDC
Table 6-9: IN Header pin function (connects to DRIVE header on control PCB)
DY2 Header Pin Pin function signal
1 +24 VDC 24 VDC
2 0 VDC 0 VDC
3 -24V -24VDC
Table 6-10: DY2 Header pin function (connects to SOURCE header on PCB)