ESAB Fabricator 181i, Руководство по обслуживанию

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ESAB FABRICATOR 181i
Manual 0-5449 6-11 TROUBLESHOOTING
GUN Header Pin Pin function Signal
1 +24V trigger positive (0V when trigger closed) 24 VDC
2 0VDC 0 VDC
Table 6-18 GUN Header pin function (connects to GUN header on display PCB)
PWM Header Pin Pin function Signal
1 0VDC 0 VDC
2 Motor pwm drive signal 5 VDC pk
Table 6-19 PWM Header pin function (connects to PWM header on inverter PCB)
QF/DY 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 6-20 QF/FJ Header pin function (Connects to QF/FJ header on inverter PCB)
FUNs Header Pin Pin function Signal
1 +24V (Fan positive) 24 VDC
2 0V (Fan negative) when fan is on 0 VDC
Table 6-21 FUNs Header pin function (not used)
DRIVE Header Pin Pin function Signal
1 +15V 15 VDC
2 IGBT 1 pwm drive signal, 15V p-p square wave 15 VDC pk
3 IGBT 2 pwm drive signal, 15V p-p square wave 15 VDC pk
4 IGBT 2 pwm drive signal, 15V p-p square wave 15 VDC pk
5 IGBT 1 pwm drive signal, 15V p-p square wave 15 VDC pk
6 Rectified secondary of current transformer TR8 15 VDC pk
7 0V 0 VDC
Table 6-22 DRIVE Header pin function (connects to IN header on inverter PCB)
WVIN Header Pin Pin function Signal
1 Positive welding terminal positive VDC
2 No connection n/c
3 Negative welding terminal 0 VDC
Table 6-23 WVIN Header pin function
IFB Header Pin Pin function Signal
1 +15V 15 VDC
2 -15V -15 VDC
3 Current sensor signal
4 0V 0 VDC
Table 6-24 IFB Header pin function (Connects to welding output current sensor)