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BK5200 Basic information 6
BK5200
Fieldbus connection
9-pin Sub-D female
connector
On the left-hand side there is a flat recessed area where you can plug in
the typical Profibus male connectors. You will find a detailed description of
the fieldbus interfaces in another part of this manual (In the chapter ”The
transfer medium: plugs and cables”).
Configuration interface
Serial interface under the
front flap
On the lower part of the front face you will find the standbus couplers which
are fitted with an RS232 interface. The miniature plug can be attached to a
PC by means of a connection cable and the configuration software
BS2000. This interface enables you to configure the analog channels. You
can also access the functionality of the configuration interface via the field-
bus by means of the ADS communications.
K-bus contacts
6 contacts at the side
The connections between the bus coupler and the bus terminals are ef-
fected by gold contacts at the right-hand side of the bus coupler. When the
bus terminals are plugged together, these gold contacts automatically
complete the connection to the bus terminals. The K-bus is responsible for
the power supply to the electronic components of the K-bus in the bus ter-
minals, and for the exchange of data between the bus coupler and the bus
terminals. Part of the data exchange takes place via a ring structure within
the K-bus. Disengaging the K-bus, for example by pulling on one the bus
terminals, will break this circuit so that data can no longer be exchanged.
However, there are mechanisms in place which enable the bus coupler to
locate the interruption and report it.
Supply isolation
3 supply groups:
fieldbus
K-bus
peripheral level
The bus couplers operate with three independent supplies. The input po-
wer supplies the electrically isolated K-bus circuitry in the bus coupler and
the K-bus itself. The power supply is also used to generate the operating
power for the fieldbus.
Note: All the bus terminals are electrically isolated from the K-bus, so that
the K-bus is completely electrically isolated.
Setting up the power levels
in the bus terminal system
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