S7-Modbus CRC16 code

cagliostro

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• Jul 27, 2010

• #1

Hi all,

like the title of the thread, I'm looking some sample code for realize the CRC16 routine using S7 STL or SCL language for Modubs RTU com.
Someone can suggest me or post a sample code??

Thanks in advance.

 

L D[AR2P#0.0]

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• Jul 27, 2010

• #2

http://www.modbustools.com/modbus_crc16.htm

Here's the lookup table in a DB in source code form.

 

Last edited: Jul 27, 2010

L D[AR2P#0.0]

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• Jul 27, 2010

• #3

Example implementation attached.

 

L D[AR2P#0.0]

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• Jul 27, 2010

• #4

..

 

cagliostro

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• Jul 27, 2010

• #5

Thanks a lot L D[AR2,P#0.0]

What I can say.....
you're simply the best.....

Thanks again

 

M HARISH

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• Aug 10, 2020

• #6

l d[ar2 said:

..

Click to expand...

how to create crc function block using scl launguage

 

L D[AR2P#0.0]

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• Aug 10, 2020

• #7

Target plc ?

 

M HARISH

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• Aug 13, 2020

• #8

how open these file in tia portal v15?

 

AndrejR

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• Apr 27, 2021

• #9

Thanks a lot for your code.
It is help me quickly solve my trouble.

Andrej