ABB PQFM Instruction Manual page 28

9 Secondary earth connection point
10 IGBT inverter with DC capacitors
11 PQF main controller board
12 IGBT heat extraction fan
13 Fixed fuse base main power (cULus version)
14 Terminals for heat extraction fan
The PQF Main controller board has connectors which are predominantly pre-wired for
use within the filter. However, it also contains a DIP-switch used to set the identification
address and CAN bus connectors for use in a multi-module filter arrangements.
The main controller board is shown in
3
2
1
22
21
20
19
17
The designation of the principal terminals is given in
28 Hardware description ç Manual Power Quality Filter PQFM
4 5
18
16
Figure 12: PQF main controller board
Figure 12.
6 7 8 9
15
Table
-
U1
A5
M1
Q1
X23
10
11
12
13
14
12.