11
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, remote control, torch buttons)
- monitoring wire insert button
- supply pc-board PP90R (Push-Pull)
LED displays
normal
LED
state
designation
1 (red)
off
microcontroller ok
2 (green)
on
supply voltage 5V ok
malfunction
LED
state
designation
1 (red)
is lit weak
microcontroller not programmed
flashes
malfunction CAN bus
2 (green)
off
supply voltage 5V not ok
Measuring points
designation
measure point
result
solenoid valve
X6/1
X6/2
+
GND
+24V DC
supply voltage
Tacho
X5/1
X5/3
+
GND
5V DC
drive level for pc-board PP90R
(Push-Pull)
X7/1
X7/3
+
GND
+24V DC
wire insert button
(when button pressed)
X1/1
X1/2
0
Ω
wire insert button
(when button pressed)
X4/1
X4/2
0
Ω
supply wire feed motor
X10
X11
-
+
0-42V DC
supply voltage
CAN bus
X20/1
X20/2
GND
+
+15V DC