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+--- Thread: ZigBee-Modbus-Relay (/showthread.php?tid=6166)
ZigBee-Modbus-Relay - RomansP - 24.10.2025
Wired is inconvenient, wireless is unreliable. What if you could combine the best of both worlds?
We present ZigBee-Modbus-R1 a unique device designed to solve this very problem. It's a hybrid
relay that simultaneously supports both the wired Modbus RTU interface and the wireless ZigBee
network. This allows you to create truly flexible and fault-tolerant control systems.
Key Features:
Flexible Installation: Use the ZigBee wireless protocol where running cables is impossible or not cost-effective.
Industrial Reliability: Rely on the time-tested Modbus wired protocol for mission-critical parts of your system
where stability is paramount.
Maximum Fault Tolerance (Failover): Activate both interfaces simultaneously. In case of a failure on one network
(e.g., a cable break or strong radio interference), the device remains controllable via the second network,
ensuring uninterrupted operation.
Our project is fully open-source. You are free to study, modify, and use our work.
Source code and schematics on GitHub:
https://github.com/LogicMachineEMBS/Zigbee-Modbus-Relay