# \[APP\]\[Pro\] Duco modbus

**URL:** <https://community.homey.app/t/app-pro-duco-modbus/98646>\
**Category:** Apps\
**Tags:** app, homey-pro\
**Created:** [December 22, 2023, 10:38am UTC](https://community.homey.app/t/app-pro-duco-modbus/98646 "2023-12-22T10:38:49Z")\
**Posts on this page:** 1\
**Showing post:** 34

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**Author:** ![GijsP](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/gijsp/32/71130_2.png) [@GijsP](https://community.homey.app/u/GijsP)\
**Post date:** [January 20, 2024, 7:22am UTC](https://community.homey.app/t/app-pro-duco-modbus/98646/34 "2024-01-20T07:22:28Z")

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There is a difference between the communication board and the newer connectivity board. The [communication print/board](https://data.duco.eu/dam/643A410E-B111-444E-BFC2-65B3749004E7/technische-fiche-Communication-Print-%28nl%29.pdf) doesn´t seem to support modbus over TCP (probably why it has seperate connectors for that), but the newer connectivity board does. Got myself a cheap converter because of this, but still have to install it.

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