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Sfety DI/DO Vs Normal DI/DO

Created by: Rsandy at: 6/8/2016 8:24 AM (2 Replies)

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6/8/2016 8:24 AM	Rate (0)
Rsandy Posts: 4 Rating: (0)	I want to know the difference between Safety DI/DO and Normal DI/DO, can anyone tell me.
Rsandy Posts: 4 Rating: (0)
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6/11/2016 4:55 AM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 1/8/2025 Posts: 6858 Rating: (1366)	Dear User, Your question has been discussed recently in "SIMATIC S7-400 / S7-400H / S7-400F /FH"that can be found by searching: What is the difference between standard module and fail-safe module I hope this helps, hdhosseini
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6/15/2016 12:40 PM	Rate (0)
Marko Bursic Platinum Member Joined: 9/8/2009 Last visit: 7/17/2023 Posts: 1410 Rating: (153)	Safety DI/DO is to be used with F-CPU for safety related signal on your machine. They replace the need of separate safety modules (yellow boxes) that you find in every machine for E-stop, safety doors, photo beams, anything that emergent stops the machine and keeps it stoped for sure.

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