6ES7326-1RF01-0AB0

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The safety functions of the safety-related automation systems are matched to the safety-related I/O modules (F‑modules) of the ET 200M distributed I/O system. The F‑signal modules (DI/DO/AI) in the ET 200M remote I/O stations comply with safety requirements up to SIL 3 (IEC 61508). They can diagnose both internal and external faults. To this end, they carry out self-tests, e.g. for short-circuit or open-circuit, and automatically monitor the discrepancy time defined in the parameter settings. They are able to guarantee plant safety even if there is a CPU failure in the automation system.

Depending on the version, the input modules support 1oo1 and 1oo2 evaluation on the module. 2oo3 evaluation of three sensors is possible using the corresponding voter block (component of the S7 F block library) within the safety program.

In the event of a faulty output, the digital output modules allow a safe shutdown via a second shutdown path.

Note:

The SM 326 F‑DI NAMUR digital input module, Article No. 6ES7326-1RF01-0AB0, does not support PROFINET.