SiePortal

The integrated platform for your product selection, buying and support workflow - bringing together Industry Mall and Online Support.

Products & Services
- Menu temporary not available
- Menue temporary not available
- {{item.title}}
Support Support
{{(apiData.Support | filter:{'rank':1}:true)[0].title}} Support
- Menu temporary not available
- Menue temporary not available
- {{item.title}}
MySiePortal MySiePortal
{{(apiData.MySiePortal | filter:{'rank':1}:true)[0].title}} MySiePortal
- Menu temporary not available
- Menue temporary not available
- {{item.title}}
Cart ({{apiData.CartCount}})

Navigation

FB of Fail Safe

7/31/2019 8:29 AM	Rate (0)
pieces Bronze Member Joined: 8/25/2014 Last visit: 8/17/2025 Posts: 172 Rating: (2)	Dear Experts, If i change the logic of Fail safe function block (FB), then how can i download to cpu without disturbance of CPU. Is it possible to change the logic of Fail safe function block. Actually, i have program and one of fail safe function block is calling one scalling Function and i want to change the scalling values and then download back to CPU. Please give me support how it can possible?

Suggestion To thank Quote Answer

7/31/2019 8:42 AM	Rate (0)
Towome Platinum Expert Joined: 7/9/2015 Last visit: 8/29/2025 Posts: 4443 Rating: (641)	Hi, in manual you can read in chapter "Rules for downloading the safety program to an F-CPU": You can perform the downloading of a consistent safety program only in STOP mode. SIMATIC Industrial Software SIMATIC Safety - Configuring and Programming Regards, Towome
	If my post was useful, please rate me - if not, please tell me - thank you!
Suggestion To thank Quote Answer
This contribution was helpful to 1 thankful Users pieces