CIGWELD WeldSkill 200AC/DC - Page 50

Troubleshooting 6-10 Manual 0-5206
WELDSKILL 200AC/DC INVERTER TROUBLESHOOTING
7 Primary Side Inverter PCB
OC SD
IN
DCOUT
A-11427_AB
1
1
1
1
1
DRIVE Header Pin Pin function signal
1 +15 VDC 15 VDC
2 PWM signal 1
3 PWM signal 2
4 PWM signal 2
5 PWM signal 1
6 Current Transformer Signal
7 0 VDC 0 VDC
Table 6-21: DRIVE Header pin function (connects to DRIVE header on control PCB)
OC Header Pin Pin function signal
1 Current transformer secondary
2 Current transformer secondary
Table 6-22: OC Header pin function (connects to transformer primary current transformer)
SD Header Pin Pin function signal
1 +24 VDC 24 VDC
2 Soft Start Relay drive signal (0V = relay on)
Table 6-23: SD Header pin function (connects to SS header on control PCB)
DCOUT Header Pin Pin function signal
1 +336V
336VDC
2
0V
0 VDC
Table 6-24: DC OUT Header pin function (connects to DCIN header on control PCB)