20 Hardware description Manual Power Quality Filter PQFM
The PQF-Manager also acts as connection point for external user I/O communication.
Connections are made at the rear side of the PQF-Manager. Figure 9 depicts the
terminals that are present on the PQF-Manager rear side.
1
2
3
4
5
6
7
8
9
10
Figure 9: PQF-Manager rear side terminal designation
The terminal designation is given in Table 7.
Table 7: Terminal designation
Digital outputs 1 to 6 with one common point
Alarm outputs (2 outputs with complementary signals)
Modbus adapter interface (optional) connection
Power supply terminals (routed to PQF
The terminal explanation is given next:
1
Digital input 1 and 2
The digital inputs can be used for three different functions:
− Implementation of remote control functionality;
− Implementation of local on/off buttons (not provided);