LORCH Saprom S - Pc-board DMR; DMR Board Functions; DMR LED Indicators; DMR Measuring Points

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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
0Ω
wire insert button
(when button pressed)
X4/1
X4/2
0Ω
supply wire feed motor X10
X11
-
+
0-42V DC
supply voltage
CAN bus
X20/1
X20/2
GND
+
+15V DC