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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 off the machine (no mains voltage present)
lit weak
DSP not programmed
off
3.3V supply voltage is missing
Measuring points
designation
measuring
point
result
bus voltage
(from rectifier)
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 v24V
X6-2, X7-2, X11-2
X6-1, X7-1, X11-1
+
-
+24V DC
supply v16V
X2-1
X2-2
+
-
+16V DC
supply v60V
X1-5
X1-6
+
-
+60V DC
Measuring points bus voltage (power modules)
+Uz
-Uz