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S7-300: Guide Access Bit Word to ArrayBit in TIA PORTAL

by hoanlk
04/09/2023
in SIEMENS

In TIA PORTAL, S7-300 Series will not have the option to read bits in a variable Real, Word,Dword.. like newlines S7-1200,S7-1500 that is for example Myword.%x0

So how can we read into every bit in S7-300? Have you struggled to find the program lines online but can’t?

So here is a way I use AT overlay and SCL language to convert to an ArrayBit. Everyone can see the photos below and apply them to their projects!

Example Access Bit Word

 S7-300
Conversion program

12 1024x525 1
Call to main program
11 1024x442 1
Value simulation

Read more: Link

IT PLC Delta EPLAN PROFINET

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Tags: TIA PORTAL
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