ABB CI627A 3BSE017457R1 Connecting the S800 I/O station unit

Description

The Advant Controller 110 is connected to the Advant Fieldbus 100 via a CI626
communication interface for coaxial media or a CI627 communication interface for twisted pair
media.

Advant Controller 70, S800 I/O Stations, Advant Controller 400 Series, and PC based operator
station can be connected to the twisted pair media. Within the Advant Controller 70 and the
S800 I/O Station units the twisted pair modems are integrated. To connect an Advant
Controller 400 Series and PC based operator station the external modem TC512/TC516 is
needed. Both single and redundant twisted pair media can be used.
For Advant Controller 110 the unit CI627 is used, in which twisted pair modem is integrated.
The Advant Fieldbus 100 cables are connected to removable terminal headers which are
connected to the TC512/TC516 modems, the Advant Controller 70 or the S800 I/O Station.
This allows the station or modem to be removed from the Advant Fieldbus 100 without
disconnecting other nodes on the fieldbus.
When connecting the twisted pair bus cable to a modem both an incoming (from previous
station) and an outgoing bus cable (to next station) are connected to the bus cable connector on
the modem. This This can be performed using the TC505 (see Chapter 4.3.1.4, Installation and
Start-up) or by connecting the bus cables directly to the modem connector. To the two
communication interfaces located first and last on the bus, only one bus cable, incoming or
outgoing, is connected. The bus cable for these two stations must be terminated with a twisted
pair bus termination.

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