Shelly Pro Modbus Add-on RS485

The Pro Modbus Add-on RS485 expands Shelly Pro devices into powerful professional automation components. By adding reliable RS485 communication, it enables seamless integration with BMS, EMS, SCADA, and professional automation systems through a widely adopted wired communication standard.
MSRP: $46.99
Manufacturer: Shelly Products
SKU: 3800238074487

Features

  • Connect directly to the Shelly Pro EM-50, Shelly Pro 3EM, Shelly Pro1 and Shelly Pro 2 expansion port for clean, compact, and secure installation
  • Designed as a simple and intuitive expansion module, enabling fast integration into existing automation and monitoring systems without complex configuration
  • Support operation as both a Modbus client and Modbus server, allowing flexible data exchange and system integration
  • Support multi-device RS485 networks, allowing multiple devices to communicate on the same bus
  • Uses standardized RS485 communication ensuring compatibility with BMS, EMS, SCADA, and professional automation platforms
  • Provides reliable and stable communication, suitable or long cable runs and electrically demanding environments commonly found in commercial and building installations

Specs

Power supply 3,3 V⎓, 12 V⎓
Power consumption < 1 W
Screw terminals max torque 0.4 Nm / 3.5 lbin
Conductor cross section 0.3 to 2.0 mm² / 22 to 14 AWG
Conductor stripped length 6 to 8 mm / 0.24 to 0.31 in
Mounting DIN rail
Via the Shelly proprietary serial interface to connect to a Shelly compatible device
Shell material Plastic
Compatible Models Shelly Pro EM 50
Shelly Pro 3EM (120)
Shelly Pro 3EM 400
Shelly Pro 1
Shelly Pro 2
Mode Half-duplex mode
Number of nodes Up to 32 nodes
Max speed 10 Mbps
Range Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors
(Depends on local conditions)
Ambient working temperature -20°C to 40°C / 5°F to 105°F
Humidity 30% to 70% RH
Max. altitude 2000 m / 6562 ft

 

Dimensions

HxWxD 3.70" x 0.75" x 2.71"
Weight 1.7 oz

 

Product Files
MANUALS

Features

  • Connect directly to the Shelly Pro EM-50, Shelly Pro 3EM, Shelly Pro1 and Shelly Pro 2 expansion port for clean, compact, and secure installation
  • Designed as a simple and intuitive expansion module, enabling fast integration into existing automation and monitoring systems without complex configuration
  • Support operation as both a Modbus client and Modbus server, allowing flexible data exchange and system integration
  • Support multi-device RS485 networks, allowing multiple devices to communicate on the same bus
  • Uses standardized RS485 communication ensuring compatibility with BMS, EMS, SCADA, and professional automation platforms
  • Provides reliable and stable communication, suitable or long cable runs and electrically demanding environments commonly found in commercial and building installations