S7-Modbus CRC16 code

[cagliostro]

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]]

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

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

 

[L D[AR2P#0.0]]

Example implementation attached.

 

[L D[AR2P#0.0]]

..

 

[cagliostro]

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

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

Thanks again

 

[M HARISH]

..

how to create crc function block using scl launguage

 

[L D[AR2P#0.0]]

Target plc ?

 

[M HARISH]

how open these file in tia portal v15?

 

[AndrejR]

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

Andrej