Comms Gateway iSMA B-MG-IP 2019-02-07T10:12:50+00:00

Comms Gateway iSMA B-MG-IP


iSMA-B-MG-IP device has been designed to simplify the connection of meters installation with BMS. Integrating the most popular interfaces for M-Bus and Modbus meters, the device is capable of handling up to 180 meters of various types simultaneously.


The M-Bus interface has the ability to communicate and supply power to up to 60 M-Bus meters. The maximum current may not exceed 130 mA. The RS485 interface allows a user to connect up to 128 Modbus devices. The device address and baud rate for Modbus are set using DIP switches. The built-in TCP/IP interface gives flexibility to use the existing LAN infrastructure, whilst also making building a scattered metered monitoring systems simple. iSMA-B-MG-IP device can be configured from the built-in web services level, and by using free tools such as iSMA Configurator.

Key Features

• M-Bus TCP/IP to M-Bus gateway
• Modbus TCP/IP to Modbus RTU/ASCII gateway
• Up to 180 meters of various types
• Two independent gateways operating simultaneously in one device
• Built-in power supply for up to 60 M-Bus meters
• Direct connection for up to 6 M-bus branches
• Built-in Mini USB port for configuration and firmware updates

12x screw connector max 2,5 mm2.
Direct connection for up to 6 M-Bus branches
1x RS485
1x RJ45

Up to 60 M-Bus meters
Up to 128 Modbus Slave devices

Interface M-Bus Master according to EN 13757-2
Interface RS485 half duplex
1x Fast Ethernet
Protocols: M-Bus and Modbus
M-Bus baud rate: 300 to 38400 bps
Modbus baud rate: 2400 to 115200 bps

ARM Cortex-M3

24 V AC/DC

Dimension: 35x110x62 mm
Construction: plastic, self-extinguishing (PC/ABS)
DIN rail mounting DIN (DIN EN 50022 norm)
Cooling: internal air circulation

Operating temperature: -10°C to 50°C
Storage temperature: -40°C to 85°C
Relative humidity: 5% to 95%, no condensation
Ingress Protection Rating: IP40 – for indoor installation

3 kV AC/DC for all interfaces and power supply

The datasheet for this product can be downloaded here in PDF format:

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