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Distributed I/O System ET 200S

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Glossary<br />

Terminal modules<br />

Terminating module<br />

User data qualifier<br />

Voltage group<br />

Terminal modules implement the electrical and mechanical connection of the distributed IO<br />

modules with the interface module and the terminating module.<br />

The inserted distributed IO module determines the signals on the terminals of the terminal<br />

module. Depending on the terminal module which has been selected, only certain terminals<br />

are available.<br />

The terminating module completes the <strong>ET</strong> <strong>200S</strong> distributed IO system. If you have not<br />

inserted a terminating module, the <strong>ET</strong> <strong>200S</strong> is not ready for operation.<br />

Each IO module is assigned a value in the input or output data message; this value makes a<br />

statement on the quality of this user datum. For example, outputs of a specific module can<br />

be switched off by means of this without affecting other modules.<br />

A group of electronic modules supplied by a power module.<br />

<strong>ET</strong> <strong>200S</strong><br />

Glossary-10 Manual, 12/2005, A5E00514527-03

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