ESAB fabricator 141i Service Manual page 52

ESAB FABRICATOR 141i
MD Header Pin
1
2
Table 6-11 MD Header Pin Function (Connects to MT header on Spool Gun PCB6)
NTCS Header Pin
1
2
Table 6-12 NTCS Header Pin Function (Connects to NTCS header on Control PCB2)
DY2 Header Pin
1
2
3
Table 6-13 DY2 Header Pin Function (Connects to SOURCE header on Control PCB2)
DY1 Header Pin
1
2
3
4
5
QF/FJ Header Pin
1
2
3
4
Table 6-15 QF/FJ Header Pin Function (Connects to QF/DY header on Control PCB2)
TROUBLESHOOTING
Pin Function
Motor positive
Motor negative
Pin Function
Power source for NCT circuitry
Power source for NCT circuitry
Pin Function
+24V power source
Common of +24VDC and -24VDC
-24V power source
Pin Function
Not used
Not used
Not used
Solenoid Positive
Solenoid negative (/GAS)
Table 6-14 DY1 Header Pin Function (Connects to Solenoid)
Pin Function
Not used
Solenoid negative
+24V power source for solenoid
Common of +24V power source for solenoid
Signal
0-24V between Pin 1 and Pin 2, depending on wire
speed
12VDC between Pin 1 and Pin 2
+23~25VDC@ solenoid OFF
6-10
Signal
Signal
+21~25VDC
0V
-21~25VDC
Signal
n/c
n/c
n/c
+23~25VDC
0V@ solenoid ON,
Signal
n/c
0V@Solenoid ON,
+23~25VDC@ solenoid OFF
+23V~25VDC
0V
Manual 0-5448