Tweco 130i Transarc Service Manual - Manual (Page 51)

TRANSARC 130i
Manual 0-5282 6-9 TROUBLESHOOTING
IN Header Pin Pin function signal
1 +15 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 6-9: IN Header pin function (connects to DRIVE header on control PCB)
DY2 Header Pin Pin function signal
1 +24 VDC 24 VDC
2 0 VDC 0 VDC
3 -24V -24VDC
Table 6-10: DY2 Header pin function (connects to SOURCE header on PCB)
DY1 Header Pin Pin function signal
1 +24 V (solenoid positive) 24 VDC
2 0 V 0 VDC
3 No connection n/c
4 No connection n/c
5 No connection n/c
Table 6-11: DY1 Header pin function (connects to DY header on control PCB)
FJ/QF Header Pin Pin function signal
1 No connection n/c
2 +24 VDC 24 VDC
3 +24 VDC 24 VDC
4 0 VDC 0 VDC
Table 6-12: FJ/QF Header pin function (not used)
RX Header Pin Pin function signal
1 Inrush Resistor
2 0Inrush Resistor
Table 6-13: RX Header pin function (connects to Inrush Resistor)