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Safety Mode Deactivation in PCS7 domain

5/9/2014 3:44 PM	Rate (0)
N. Vijay Silver Member Joined: 3/17/2013 Last visit: 4/28/2025 Posts: 481 Rating: (43)	Hi Experts, During maintenance course of jobs, some times there is a need to force a fail safe IO also, by making 'SIM ON=1' and Sim Val=0 or 1. Then a popmessage appears " Shall I deactivate Safety Mode'? What does it mean? Could you please calrifty Thanking you, Vijay

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5/9/2014 4:11 PM	Rate (0)
hdhosseini Diamond Member Joined: 1/28/2009 Last visit: 9/15/2025 Posts: 6875 Rating: (1368)	N. Vijay Hi Experts, During maintenance course of jobs, some times there is a need to force a fail safe IO also, by making 'SIM ON=1' and Sim Val=0 or 1. Then a popmessage appears " Shall I deactivate Safety Mode'? What does it mean? Could you please calrifty Thanking you, Vijay Hello, Please, check section 10.8.1 Online changes in CFC test mode in the "S7 F/FH Systems - Configuring and Programming" manual .It is also possible to manipulate documented inputs of function from safety library in deactivated safety mode.When you deactivate safety mode, it is your responsibility to ensure your plant safety. Best regards, Hamid Hosseini
	Last edited by: hdhosseini at: 5/9/2014 4:14 PM Demo Channel on Youtube
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5/17/2014 7:04 PM	Rate (0)
R J Bronze Member Joined: 10/20/2009 Last visit: 4/3/2017 Posts: 215 Rating: (12)	Hi Vijay, Please refer "pcs7 compendium B" for this. Because in Failsafe we have MOS (maintenance override switch) block which is used to bypass/simulate values of channel driver. If you use this block you dont have to deactivate the safety mode. So go through this compendium to know the procedure for using MOS block.
	Regards, R J =================================== Your ‘I CAN’ is more important than your ‘I.Q’
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This contribution was helpful to 1 thankful Users Krrish !!

8/21/2014 3:53 PM	Rate (0)
O_Moderator Diamond Member Joined: 4/24/2009 Last visit: 8/20/2024 Posts: 2682 Rating: (135)	New question was split to Can I integrate MOS into WinccFlex?. Best regards O_Moderator
	Tips&Tricks for the forum usage
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