Schneider Electric INTERBUS Basic Bedienungsanleitung PDF herunterladen (Seite 14)

Interbus with TSX Momentum Overview

1.3 Interbus Configuration with TSX Momentum

The following is a brief summary of the Interbus topology and configuration:

The Interbus serial protocol is implemented as remote and local bus types. Each

bus type carries the same signals, but at different electrical levels.

Remote Bus

The remote bus is used for long distance transfer of data, up to 1 200 feet

between 2 nodes. Output from the Bus Master board starts the first remote bus.

No power passes through the remote bus cable. Electrical voltage levels are

RS–485. Network operates at 500 k baud, full duplex. Typical remote bus nodes

are, for instance, Momentum I/O modules, TIO modules or branch interfaces. The

sections between two remote bus nodes are referred to as remote bus segments.

Remote Bus Branch

The remote bus branch is generated by a branch interface (e.g. 170 BNO 671 00).

The branch interface module itself is a remote bus node on the Interbus network.

The Momentum I/O Modules can directly connect to the remote bus branch as well

as to the remote bus.

Installation Remote Bus

The installation remote bus is generated by specific bus terminal modules. The

bus terminal module itself is a remote bus node. The I/O Modules on the

installation remote bus are of a special nature, and can only be used on the

installation remote bus.

Note

TSX Momentum I/O modules are designed for connection only to the remote bus

and the remote bus branch. They cannot be used on the installation field bus.

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Schneider Electric INTERBUS Basic Bedienungsanleitung Seite 14