------------------------------------------------------------------------------------------
Split from TP1200 comfort connection with S7-300.

Hello DRASIL NAVARRO,

Please try to discuss your question in English language. This is an international community and we try to focus on one language. Posting in English will help to generate more replies to your question.

This is the translation of your post (via google translate):

DRASIL NAVARRO

Hello, you need to install a license to communicate Modbus TCP. S7-300 devices do not have this license, only 1200

Kind regards, Moderator_Lan

Hello,

Here you may find more info about licenses related to ModbusTCP.

https://support.industry.siemens.com/cs/mu/en/view/103709414

More info about establishing communication -https://support.industry.siemens.com/cs/mu/en/view/22660304\

Please tell us more about your target to receive more details.

Best regards,

Hristo Mihalev

Siemens Modbus/TCP resources: licenses, CPUs and CPs, demo software, blocks, number of connections, available ports