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Modbus TCP PLC App with Codesys

Modbus TCP PLC App with Codesys

GBARyder
Member

For supporting MODBUS-TCP, the suggestion was to use the PLC App with CODESYS - Fieldbus communication Add-on, but I did not find one item for Modbus support in the configuration tool.

GBARyder_0-1655376130970.png

Is any documentation available to describe this functionality?

3 REPLIES 3

TheCodeCaptain
Community Moderator
Community Moderator

Hi GBARyder,

maybe this was a missunderstanding.

Modbus-TCP is not a Codesys Addon, you can use directly in PLC Engineering our library CXA_ModbusTCP.

TheCodeCaptain_0-1655717060826.png

 

Dear All,

Customer want to use our CtrlX Core (Modbus TCp IP protocol) connect to BACnet IP via Intesis gateway as link:

https://www.intesis.com/products/protocol-translator/bacnet-gateways/bacnet-client-modbus-server-ibo...

Do anyone have experience about this gateway.

Do we need any recheck, @TheCodeCaptain, @CodeShepherd please help

And they ask:

  1. . How many server does a Ctrl X Core (client) can connect to
  2. . How many register could CtrlX Core read in once times

As I check here, there is no limit information:

https://docs.automation.boschrexroth.com/doc/1616011786/il-modbustcpclient/latest/en/

Thank you so much

Sozu
Community Moderator
Community Moderator

Hello,


I don't know the answers to the questions asked, but I also have an alternative solution. Our XM2 and XM4 controllers support BACnet IP as client and server. A connection between the ctrtlX core and the XM controllers would then also be possible via OPC UA. This could be more powerful than a Modbus/TCP connection.

Regards

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