ESAB fabricator 141i, Service Manual

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