Transarc 130i – Tweco 130i Transarc Service Manual User Manual
Page 53

TRANSARC 130i
Manual 0-5282 6-11
TROUBLESHOOTING
3
Control PCB
A-11850
WV Header Pin
Pin function
signal
1
Positive welding terminal
Positive VDC
2
No connection
n/c
3
Negative welding terminal
0 VDC
Table 6-15: WVIN Header pin function
GUN Header Pin
Pin function
signal
1
Trigger 8 pin socket, pin 3
0 VDC
2
Trigger 8 pin socket, pin 2
3
Remote Amps Pot, 8 pin socket, pin 5
4
Remote Amps Pot, 8 pin socket, pin 6
5
Trigger 8 pin socket, pin 3
0 VDC
Table 6-16: GUN Header pin function (connects to remote 8 pin socket on front of power source)
DY Header Pin
Pin function
signal
1
0 V
0 VDC
2
+24 VDC
24 VDC
Table 6-17: DY Header pin function (connects to DY1 header on inverter PCB)
FAN Header Pin
Pin function
signal
1
Fan control signal, 0V=Fan ON
2
24 VDC
+24 VDC
Table 6-18: FAN Header pin function (connects to Fan)
QF Header Pin
Pin function
signal
1
Solenoid control signal, 0V = Solenoid ON
2
24 VDC
+24 VDC
Table 6-19: QF Header pin function (connects to Solenoid)