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grig100
Member 3
Joined: 01 Jan 2015
Posts: 752
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 Posted: 07/08/2018 14:27 Post subject: Voting Architectures failsafe Digital Input/Output Module |
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Wiring and Voting Architectures for failsafe Digital Input (F-DI) and Output Modules (F-DO) of the ET 200M
https://support.industry.siemens.com/cs/document/37236961/
Several failsafe digital signals shall be monitored and failsafe actuators shall be controlled in a plant. Depending on importance and failure risk, there are several options of wiring and voting the signals.
The voting can, for example, be realized in the digital input modules and/or in the CPU. The various possibilities of wiring and voting failsafe signals are illustrated in this application example. Additional the wiring and voting of failsafe outputs are illustrated too.
Featured architectures
| Code: | One sensor (1oo1)
Two sensors (1oo2) – voting in the F-DI
Two sensors (1oo2) – voting in the user program
Control of actuators |
Downloads
https://support.industry.siemens.com/cs/attachments/37236961/37236961_Wiring_Voting_F-DI_F-DO_V20_en.pdf |
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