ESAB fabricator 141i Service Manual page 58

ESAB FABRICATOR 141i
J11 Header Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Table 6-34 J11 Header Pin Function (Connects to J11 header on Display PCB3)
SGM Header Pin
1
2
Table 6-35 SGM Header Pin Function (Connects to SGM header on Spool Gun PCB6)
5. Burnback PCB5
CR Header Pin
1
2
3
Table 6-36 CR Header Pin Function (Connects to CR header on Control PCB2)
TROUBLESHOOTING
Pin Function
Serial display date& EPROM (D-IN)
Serial display data(LOAD)
Serial display data (CLK)
2T/4T push button
Serial display EPROM (D-OUT)
MIG/ LIFT TIG/ STICK Selection Button
Chip select
MODEpush button
+15VDC
Not used
Inductance pot terminal 2
Volts set point
Inductance pot terminal 1
Amps set point
5VDC
Common
Pin Function
Spool Gun Motor connector
Art # A-12176
Pin Function
Burn back potentiometer max
Burn back potentiometer min
Burn back potentiometer wiper
6-16
Signal
5VDC digital
5VDC digital
5VDC digital
0VDC
5VDC digital
0V when depressed
5VDC digital
0VDC
15VDC
n/c
0-10 kΩ between pin
11 and 13
0-5VDC
0-10 kΩ between pin
11 and 13
0-5VDC
5VDC
0VDC
Signal
0-24VDC
Signal
+5VDC
0V
0V~5VDC
Manual 0-5448