Connection Of The Modbus Adapter - ABB PQFS Installation, Operation And Maintenance Instructions

communication may be lost if the 'main' master unit goes in error and transfers the main
master rights to another master unit in this system. If full redundancy in communication is
required, a communication cable has to be connected to each master unit in a filter
system.
Figure 59: Location at rear of PQF-Manager where the serial communication cable
has to be inserted
The other end of the cable has to be connected to the PC's serial port.
More information on the PQF-Link software can be found in the 'PQF-Link installation and
user's guide'.
Note: The PQF Link software gives access to all the parameters of the unit to which the
cable is connected, as well as to general network data (e.g. line voltage data, line current
data etc.)
6.13.2

Connection of the Modbus adapter

For the connection setup of the Modbus adapter, please refer to the document
"2GCS212012A0050-RS-485 Installation and Start-up guide".
Manual Power Quality Filter PQFS ç Electrical design and installation 69