Pc-Boards
- 20 - 02.20909.2710.1-06
7.2 Pc-board DMR
The pc-board DMR is the wire feed motor control of the machine.
Functions
– control and monitoring wire feed motor
– driving solenoid valve
– control and monitoring of operating elements (DS20BF, PowerMaster, torch button)
– monitoring wire inching button
– supply pc-board PP90R (Push-Pull)
LEDs
LED state meaning
1 (red) blinking normal operation
lit weak microprocessor not programmed
2 (green) on internal supply voltage 5V DC ok
off internal supply voltage 5V missing
Tab. 7: LEDs DMR
Picture pc-board DMR
LED2
5V
LED1
operation
Fig. 8: Pc-board DMR
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