ESAB Fabricator 181i, Service Manual

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ESAB FABRICATOR 181i
TROUBLESHOOTING 6-14 Manual 0-5449
J1 Header Pin Pin function Signal
1 Serial display data & eprom (D-IN) 5 VDC digital
2 Serial display data (LOAD) 5 VDC digital
3 Serial display data (CLK) 5 VDC digital
4 2T/4T pushbutton (0V when button pushed) 0VDC
5 Serial display eprom (D-OUT) 5 VDC digital
6 Stick mode (used for remote / local)
7 Chip select 5 VDC digital
8 MODE pushbutton (0V when button pushed) 0VDC
9 15VDC 15 VDC
10 Remote / Local switch
11 Inductance pot terminal 2
12 Volts setpoint 0 – 5 VDC
13 Inductance pot terminal 1
14 Amps setpoint 0 – 5 VDC
15 5VDC 5 VDC
16 0V 0 VDC
Table 6-35 J1 Header pin function (connects to MB header on control PCB)
6.13 DIP Switch Settings, Control PCB
1 DIP Switch SW0, 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-09993
A-12583