An RS485 communication add-on for Shelly PRO devices for integration into building and energy management systems. Enables direct data exchange with external controllers and platforms.
*This is an add-on module and not a standalone device. It requires a compatible Shelly PRO device to operate
Key Features
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Standard Modbus integration with BMS, EMS, SCADA, and PLC systems
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Direct plug-in into compatible Shelly PRO devices via the expansion connector
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Wired RS485 communication for stable long-distance connections and multi-device networks (up to 32 participants)
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Modbus client mode for reading data from meters, inverters, heating, ventilation, and air conditioning systems, as well as external controllers without custom gateways
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Modbus server mode for sharing device data and status with BMS, EMS, SCADA, and monitoring platforms
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Half-duplex operation for reliable data exchange with speeds of up to 10 Mbps over distances of up to 50 m outdoors (depending on local conditions)
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Low power consumption of less than 1 W, powered via 3.3 V or 12 V from the host device
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Wide operating range, operation from -20 °C to 40 °C at 30–70% humidity and up to 2,000 m altitude
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App-based configuration via Shelly Smart Control for quick setup and easy management
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Hybrid wired and wireless ecosystem that combines RS485 infrastructure with Shelly Cloud and APIs
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DIN rail-ready design for secure installation in electrical distribution boards
