LORCH MicorMIG Series User Manual

page 16
Pc-Board DRV03 / DRV13
The pc-board DRV03 is the primary driver board of the MicorMIG 300 and 350.
Since week18 2017 the DRV03 was replaced by the DRV13. For details see page 27.
Functions
- primary driving of the transformer
- capture primary input current
- measuring temperatures
- generating internal supply voltages
- driving fans
- switching power-up relays
- PE monitoring
- coding power unit
- monitoring mains voltage
- monitoring bus voltage
LEDs
LED state designation
1 (red) blinking (1 Hz) normal operation
blinking (3 Hz) when switching o󰀨 the machine (no mains voltage present)
lit weak DSP not programmed
o󰀨 3.3V supply voltage is missing
Measuring points
designation measuring
point
result
bus voltage
(from rectier)
X17-4
X17-1
+Uz
-Uz
ca. +580 V DC
bus voltage
(at the power modules)
D27
D28
+Uz
-Uz
ca. +580 V DC
supply voltage +24V X6-2, X7-2, X11-2
X6-1, X7-1, X11-1
+
-
+24V DC
supply voltage +16V X2-1
X2-2
+
-
+16V DC
supply voltage +60V X1-5
X1-6
+
-
+60V DC
Measuring points bus voltage (power modules)
+Uz
-Uz

LORCH MicorMIG Series Specifications

General

Brand	LORCH
Model	MicorMIG Series
Category	Welding System
Language	English