LORCH MicorMIG 400 - Page 15

page 15
Pc-Board NEFI07
The pc-board NEFI07 is the mains lter board of the MIcorMIG 400 MV and 500 MV.
Functions
- mains lter
- mains detection
- safeguarding control transformer (2 x 4.0A, 500V, slow)
- power-up function
Picture pc-board NEFI07
A
B
X4
X6
X5
X3
X1
X2
Schematic
PM1
B
+
-
A
DRV
PM2
B
+
-
A
X6
X3
X4
X5
Q2
Q2
Q2
6
5
4
3
2
1
LP3
LP4
LP5
LP6
LP7
LP8
12V
RE1+2
RE3+4
PE
X1-1
X1-2
X2-3
X2-1
LP2
Q2
10
12
9
11
400
230
0
19
42
11
NEFI07
LP10
U
Si1
Si2