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The IntesisBox Gateway has been specially designed to allow bidirectional control and monitoring of all parameters and functionalities of Modbus TCP slave devices from a KNX installation.

KNX Modbus TCP

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  • IBOX-KNX-MBTCP-100 (100 points and 5 devices)
  • IBOX-KNX-MBTCP-A (500 points and 5 devices)
  • IBOX-KNX-MBTCP-B (4000 points and 5 devices)


IntesisBox is a Modbus TCP client device allowing to read/write points of other Modbus TPC Server device(s) connected to a Modbus TCP network, and offering these point's values through its KNX/EIB interface.

Modbus interface of IntesisBox supports reading of other Modbus devices by continuous polling them. Points of Modbus TCP devices can be read/written from KNX.

On the KNX side, IntesisBox simulates a KNX device and acts as if it was one more device into the KNX system.

The IntesisBox's KNX EIB interface connects directly to the EIB bus and is optoisolated from the rest of the internal electronics. Any point in IntesisBox can be configured individually for different functionality.
To allow read requests, to allow write requests, to automatically send a write request to the KNX bus when its value changes, and to send a read request to the KNX bus when IntesisBox starts-up or after a bus reset.

For each point, one main group address and different listening group addresses can be defined. This useful feature allows actions on the same internal point from multiple KNX group addresses.

Modbus TCP to KNX Gateway Integration examples

Integration of Modbus TCP Servers into a KNX installation

Modbus TCP to KNX Gateway Integration examples 328

Does your project not fit the product description, but you need to integrate the KNX and Modbus TCP protocols?

Maybe our IBOX-MBS-KNX gateway is what you are looking for.


Modbus TCP to KNX Gateway

  • Commercial documents