Pcb Connectors - Thermal Arc Fabricator 211i Service Manual

FABRICATOR 211i

5.10 PCB Connectors

1 Power PCB
IN Header Pin
1
2
3
4
5
6
7
Table 5-11 IN Header pin function (connects to DRIVE header on control PCB)
PWM Header Pin
1
2
Table 5-12 PWM Header pin function (connects to PWM header on control PCB)
MD Header Pin
1
2
Table 5-13 MD Header pin function (connects to MT-IN header on motor PCB)
TROUBLESHOOTING
Pin function
+15V
IGBT 1 pwm drive signal, 15V p-p square wave
IGBT 2 pwm drive signal, 15V p-p square wave
IGBT 2 pwm drive signal, 15V p-p square wave
IGBT 1 pwm drive signal, 15V p-p square wave
Rectified secondary of current transformer TR8
0V
0VDC
Motor pwm drive signal
Pin function
Pin function
Motor positive
Motor negative
5-10
TROUBLESHOOTING
Art # A-10753
Signal
15 VDC
15 VDC pk
15 VDC pk
15 VDC pk
15 VDC pk
15 VDC pk
0 VDC
Signal
0 VDC
5 VDC pk
Signal
24 VDC
0 VDC
Manual 0-5158