ModBus Slave Gateway

Kit allowing the simple transformation and long range wireless communication of all types of PLCs with a ModBus RTU interface.

Your PLC variables in the EwattchCloud in a few minutes

A pre-configured ModBus table is available and allows to write the PLC variables. These data are automatically interpreted, transmitted and visualized on the EwattchCloud platform.

Real-time visualization

The PLC variables can be used throughout the entire Ewattch software suite and are updated every minute.

Wireless Communication

Secure LoRa wireless link. Up to 15km communication distance in unobstructed view. GPRS version available.


– PLC with modbus RTU master interface
– Automatician who can configure the data to be communicated
– LoRaWAN network or mobile network

Use Case

– Make an old or inaccessible PLC communicating.
– Visualization of the indicators of a production line
– Supervision of a modbus machine


Main board of the TyNess system allowing the connection of up to 2 additional boards.  Compatible LoRa® and LoRaWAN.

Same as above, with GPRS module, allowing direct communication with a WEB platform (e.g. or third party platform) without using a gateway. The LoRa® module also integrated allows the concentration of up to 20 LoRa® wireless sensors from the Ewattch range.

ModBus interface to communicate in master or slave mode.