CODESYS - the IEC 61131-3 automation software

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PostPosted: Sun Feb 09, 2020 4:23 am 

Joined: Fri Dec 01, 2017 3:06 pm
Posts: 24

Is it possible to configure Modbus Serial Port/Master/Slave device properties (i.e. COM port, Baud Rate, Function Code....) by ST codes??

I need to configure the setting dynamically online.

PostPosted: Mon Feb 10, 2020 8:00 am 

Joined: Wed Oct 12, 2016 12:28 pm
Posts: 31
Not if the master is insert in the device tree.
You must handle everything via IEC code, an example you will find in the FAQ's: ... figuration

Regards Thomas

PostPosted: Fri Feb 14, 2020 5:36 pm 

Joined: Thu Aug 17, 2017 12:35 pm
Posts: 37
Is it the same thing true when you have configured the PLC as slave?

I would really like to have the baudrates etc settable from Visualization.. (Change from ST code) but also i want the Com port etc in the device tree.
I mean there are a button in the development tool if you are online to write the parameters so surely we must be able to change these parameters from PLC code also??

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