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iSMA-B-MG-IP User Manual




Full MG-IP Metering Gateway documentation in the iSMA CONTROLLI Download Center


Introduction

The iSMA-B-MG-IP device (meter gateway) has been created to convert data from Modbus RTU/ASCII and M-Bus protocols to corresponding TCP/IP protocols (Modbus TCP/IP and M-Bus TCP/IP) and M-Bus UDP/IP protocols. The iSMA-B-MG-IP meter gateway allows to use one type of these conversions or both at the same time, using the same Ethernet connection.

The iSMA-B-MG-IP allows to service up to 128 Modbus RTU/ASCII devices with unique addresses connected to a COM1 port and up to 60 M-Bus meters (with unique addresses) connected to an M-Bus interface. At the same time the iSMA-B-MG-IP can manage up to  2 M-Bus UDP/IP clients, 4 M-Bus TCP/IP clients, 4 Modbus TCP/IP clients, which means it can effectively manage 10 clients.

The figure below shows an example of a system with iSMA-B-MG-IP.

schemat1.png

An example of Modbus TCP/IP to RS485 gateway and M-Bus TCP/IP to M-Bus gateway

Revision History


Rev.

Date

Description

1.7

10 Nov 2023

  • Added DHCP functionality

  • Added Modbus TCP free sockets counter

  • Refreshed web server

1.6

25 May 2022

Rebranded

1.5

8 Jun 2020

  • Company data update

  • M-Bus UDP IP protocol update

  • Modbus function 0x17 read/write multiple registers

  • Modbus function 0x2B to read the VENDOR_NAME, MODEL_NAME, FW_VERSION, HOMEPAGE

  • Supporting Modbus address 0xFF for communication with gateway (IP module)

1.4

11 Feb 2019

  • Added MBUS BAUD RATE (32-bits) registers

  • Added MBUS CONNECTION TIMEOUT (32-bits) registers

1.3

15 Nov 2018

Added M-Bus extended star and tree topology

1.2

26 Oct 2018

  • Corrections of typing errors in the text

  • Added imperial unit of measure

1.1

14 Dec 2017

  • Added new Modbus registers: HW version, MAC address;

  • Added RS485_BIASING bit in STOP_BITS registers;

  • Added possibility to deactivate RS485_BIASING in hardware version 2.5 and newer

  • Added new elements on built-in web page: HW version, RS485 biasing;

1.0

24 Jan 2017

First edition


Revision history