Mechanical Preparation Of The Enclosures; Control Board Cable Interconnection - ABB PQFS Installation, Operation And Maintenance Instructions

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Four steps have to be followed to electrically interconnect a new PQFS unit with an
existing filter. They are outlined in the next four paragraphs.
6.11.1

Mechanical preparation of the enclosures

6.11.2

Control board cable interconnection

WARNING: Failure to interconnect the control boards in an appropriate way will
result in filter malfunctioning and possibly sever damage of the unit.
Interconnect the control boards of a following unit with a previous filter unit by an RJ45-
based communication cable. This cable is provided with each unit.
Figure 46
52 Electrical design and installation ç Manual Power Quality Filter PQFS
Table 21: Interconnections between two filter units
Description
Control board intercommunication cable through CAN bus (RJ45 cable)
CT interconnection cable
· Remove the knockouts on the appropriate side of the filter cover panels (Cf.
Figure 45) where the filter interconnection cables have to be passed through.
Figure 45: View of knockout on filter sides
· Cover the sharp edges of the knockouts with the rubber seal provided with the
slave units.
shows the way to interconnect the control boards.