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S7- 400F/FH
| Fail-safe
automation system to satisfy high safety requirements If required, also fault-tolerant due to redundant design Without additional wiring of the fail-safe I/O; fail-safe communication over PROFIBUS-DP with PROFISafe profile Based on S7-400H and ET 200M with fail-safe modules Standard modules also for suitable use on the automation system for non-fail-safe applications The SIMATIC® S7-400F/FH fail-safe programmable controller is used in plants with increased safety requirements. It controls processes in which no danger to personnel or the environment will result from immediate shutdown. There are two basic designs of the S7-400F/FH: S7-400F
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