page 22
Pc-Board DRV07 / DRV17
The pc-board DRV07 is the primary driver board of the MicorMIG 500.
Since week18 2017 the DRV07 was replaced by the DRV17. 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)
X21
X24
+Uz
-Uz
ca. +580 V DC
supply v24V
X6-2, X7-2, X11-2, X8-2
X6-1, X7-1, X11-1, X8-1
+
-
+24V DC
supply v16V
X2-1
X2-2
+
-
+16V DC
supply v16V (primary)
X14-2
X24
+
-Uz
+16V DC
supply v60V
X1-5
X1-6
+
-
+60V DC