
Interbus with TSX Momentum
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1.1 General Interbus Information
Interbus is an open communications standard currently supported by over 200
equipment manufacturers offering a wide spectrum of diverse products. The
Interbus is a high–speed network designed to couple I/O modules, sensors,
actuators, and control devices with PLC’s and large–scale computer systems.
Interbus operates as a master/slave network, optimized for efficient I/O data
exchange. It can support up to 256 nodes over a distance of roughly 13 km using
twisted–pair cabling, and is able to read 1024 inputs and write 1024 outputs within
4 ms. It thus offers an optimum of control device configuration flexibility with
respect to the number of drop stations and transmission distances. In spite of it’s
extraordinary configuration flexibility, the Interbus makes no compromises in
regard to system performance or I/O data reliability. As a result of the open system
architecture, TIO and Momentum I/O modules can be cost–effectively integrated
into a control system with ease, together with Interbus–compatible products of
other manufacturers. Such a typical system configuration with TIO and Momentum
I/O modules is shown in
Figure 1 (page 10).
The 170 INT 120 00 Interbus communications adapter forms the communication
interface between the I/O bases and the Interbus network. It can be plugged
directly into any Momentum I/O base, with which it then forms a fully functional I/O
module on the Interbus.
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