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Steven Chen avatar image
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Steven Chen asked Joseph Gillespie converted comment to answer

Emulation Little Endian/Big Endian

Hello,

As I know that most PLC use big-endian. Why keeps the option in Emulation tool? Is there any PLC use little-endian?

Also I tested big-endian and little endian both but everything is fine without notable difference.

By the way I don't find an explanation about endian in manual.

FlexSim 19.1.1
emulation
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Joerg Vogel avatar image Joerg Vogel commented ·

I think, this a related question for a PLC forum. The way an integer value is coded while it is stored in a telegram, is only necessary to describe or set, when your PLC system demands a special set.

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Steven Chen avatar image Steven Chen Joerg Vogel commented ·

So in the most of cases, I don't need to take care about the option?

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Benjamin W2 avatar image
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Benjamin W2 answered

@steven.chen, you should be safe to normally use Big Endian. I think you only need to worry about switching it if you are using a PLC that is configured for Little Endian.

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