ESAB Fabricator 181i, Service Manual

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ESAB FABRICATOR 181i
TROUBLESHOOTING 6-10 Manual 0-5449
NTCS Header Pin Pin function Signal
1 +24V 24 VDC
2 0V 0 VDC
Table 6-13 NTCS Header pin function (connects to NTCS header on control PCB)
DY2 Header Pin Pin function signal
1 +24V 24 VDC
2 0V 0 VDC
3 -24V -24 VDC
Table 6-14 DY2 Header pin function (connects to SOURCE header on control PCB)
DY1 Header Pin Pin function signal
1 +24V (solenoid positive) 24 VDC
2 0V 0V
3 No connection n/c
4 +24V (solenoid positive) 24 VDC
5 Solenoid negative 0 VDC
Table 6-15 DY1 Header pin function
QF/FJ Header Pin Pin function signal
1 +24V (VRD positive, South Pacific Version Only) 24 VDC
2 Solenoid negative 0 VDC
3 +24V (solenoid positive) 24 VDC
4 0V 0 VDC
Table 6-16 QF/FJ Header pin function (Connects to QF/DY header on control PCB)
GAS Header Pin Pin function signal
1 +24V (solenoid positive) 24 VDC
2 Solenoid negative 0 VDC
Table 6-17 GAS Header pin function (connects to Solenoid)
2 Control PCB
Imin
IFB PWM
Vmin
MB
GUN
QF/DY
WVIN
IGBT OT
NTCS FUNs
SOURCE CR SOURCE
DRIVE
Imax
W2
WVF
A
SW0
A-09991