ABB PQFM Instruction Manual page 13

Item User connections
1 CT connections
2 Power cable connection to the supply
3 Programmable digital outputs (warnings...)
Remote control contact connection or/and local
4
on/off buttons or/and main/auxiliary settings control
PQ-link (USB-Ethernet) – Modbus RTU – Modbus TCP
5
communication connection
Earth connections from the enclosure to installation
6
earth
Note: When a filter system consists of more than one filter unit, a communication cable
and earth interconnection cable must be installed between the different units.
Mandatory connections are connections that must be present to make the filter
operational. Connections that are not mandatory can be made to enhance the filter's
basic functionality. For more information on cabling the user connections, please refer
to Chapter 6.
Figure 4 shows a typical PQFM master filter panel in CE version.
Figure 5 shows a typical PQFM master filter panel in cULus version.
Table 3: User connections for PQFM
Manual Power Quality Filter PQFM ç Hardware description 13
Connection requirement
Mandatory
Mandatory
Not mandatory
Not mandatory
Not mandatory
Mandatory