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Shelly Pro Modbus Add-on RS485
Part Number: SHELLY-PRO-MODBUS-ADD-ON-RS485
15 In Stock
Want it by tomorrow? Order within 15 hours 13 minutes for next business day delivery.
Bulk Pricing
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£30.67
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The Shelly Pro Modbus Add-on RS485 expands compatible Shelly Pro devices with reliable RS485 communication. Operating as both a Modbus client and server, this expansion module enables seamless integration with BMS, EMS, SCADA, and professional automation platforms for long-distance, noise-resistant data exchange.
Description
The Shelly Pro Modbus Add-on RS485 attaches directly to the expansion port of compatible Shelly Pro devices, including the Pro EM-50, Pro 3EM, Pro 1, and Pro 2. It converts these relays and energy meters into industrial-grade automation components by providing standard RS485 serial communication over long distances with high noise resistance.
Featuring dual-mode capability, the add-on operates as both a Modbus client—reading telemetry from external controllers and meters via JS interface scripts—and a Modbus server to export local measurements to broader building management systems (BMS), energy management systems (EMS), and SCADA platforms. It supports multi-device networks of up to 32 nodes in half-duplex mode at transmission speeds up to 10 Mbps.
Designed for clean DIN rail installation, the module includes monocolour LED status indicators for power supply connection alongside active data transmission (TX) and reception (RX).
Key Highlights
- RS485 Modbus serial communication
- Modbus client and server mode support
- Multi-device network support up to 32 nodes
- Up to 10 Mbps data transmission speed
- Direct Shelly Pro expansion port attachment
- BMS, EMS, and SCADA system compatibility
- DIN rail mountable design
- LED indicators for Power, TX, and RX status
Specification
| Colour | Black |
|---|---|
| Purpose | Energy Monitoring |
| Product Series | Pro |
