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s7-300- Why are some FBs marked with red?

 
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AutoKal
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Joined: 29 Dec 2015
Posts: 105
PostPosted: 20/11/2022 23:47    Post subject: s7-300- Why are some FBs marked with red? Reply with quote
Hello,

I am looking at an old program and I'm not clear as to why some FBs are marked with red, what does that mean?

s7-300- Why are some FBs marked with red? s7-300- Why are some FBs marked with red?


Thanks
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ortega
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Joined: 17 Dec 2017
Posts: 5
PostPosted: 21/11/2022 11:16    Post subject: Re: s7-300- Why are some FBs marked with red? Reply with quote
AutoKal wrote:
Hello,

I am looking at an old program and I'm not clear as to why some FBs are marked with red, what does that mean?

s7-300- Why are some FBs marked with red? s7-300- Why are some FBs marked with red?


Thanks


update the blocks call..
https://support.industry.siemens.com/cs/document/18723826/how-do-you-create-and-update-multiple-instances
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