Pc-Board Dp-Mapro - LORCH Saprom S Service Manual

Pc-boards

Pc-board DP-MAPRO

The pc-board DP-MAPRO is responsible for the welding sequence and is managing the process control of the
S-Series.
(MAPRO = MAster-PROcess)
Functions
- Logicfunctions of the welding process
- generating and monitoring supply voltages
- driving powerup-relais
- driving power unit/units
- monitoring control and operating elements (DS20BF, remote control, torch buttons)
- driving fans
- driving coolingpump
- monitoring flowmeter
- monitoring mains- and output voltage
- generating signal „welding current on"
- managing communications between PC and machine
- managing and storage of all welding parameters
- CAN-bus
LED displays :
LED
1 (green) flashing (half freq. of LED5)
2 (red)
3 (green)
4 (red)
5 (green)
6 (green)
LED
1 (green)
2 (red)
3 (green)
4 (red)
5 (green)
6 (green)
If the LEDs are indicating a malfunction which can not be relieved by switching the machine off and on again,
it is recommended that the pc-board DP-MAPRO is exchanged.
8
state
CPLD-processor ok
off Digital Signal Processor (DSP) ok
on supply voltage 3,3V DC ok
off micro controller ok
flashing DSP is working
flashing micro controller is working
state
never on CPLD-processor is not working
on DSP is not working
off supply voltage 3,3V DC is missing
check 18V~ AC of control transformer X2/1 X2/2
on micro controller is not working
never on DSP is not working
never on micro controller is not working
normal
designation
malfunction
designation