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.
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: Terminal designation
Item
Customer terminals
1
Digital input 1 and 2
2
Digital outputs 1 to 6 with one common point
3
Alarm outputs (2 outputs with complementary signals) and fan outputs
4
Lock switch
5
Modbus adapter interface (optional) connection
6
CAN bus connection interface (routed to PQF-Manager connector)
7
Power supply terminals (routed to PQF-Manager connector)
8
Ethernet
9
USB
10
Temperature probes
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);