M-Bus to Modbus (RS485) Converter
M-Bus to Modbus (RS485) Converter
- Automatic RS485 transmission direction
- M-Bus short connection protection
- Power supply: 12 - 36 VDC
- Mounting type: on DIN rail
- Description
- Specification
M-Bus to Modbus RTU (RS485) Converter is dedicated to convert M-Bus signal to Modbus (RS485) and to allow M-Bus devices to communicate on a Modbus network.
The M-Bus is a bus optimized for the reading of measurement instruments like energy meters, hot and cold water meters, gas, pressure, sensors and actuators, etc. Nowadays, more and more manufacturers implement the M-Bus interface in their meters, making it the ideal basis for remote reading and smart metering applications.
Main features:
Device versions:
- MB10 Converter dedicated to support up to 10 units of M-Bus meters
- MB100 Converter dedicated to support up to 100 units of M-Bus meters
- MB250 Converter dedicated to support up to 250 units of M-Bus meters
Technical features:
- Automatic RS485 transmission direction
- M-Bus short connection protection
- Power supply: 12 - 36 VDC
- Mounting type: on DIN rail
Overview
M-Bus to Modbus (RS485) converter dedicated to take data from M-Bus devices and to convert signal to Modbus.
Wiring Schematics
In the schematics below is indication of the M-Bus to Modbus converter wiring schematics.
| M-Bus permissible load | up to 10 / 100 / 250 units of any M-Bus devices |
| RS485 direction control | Auto |
| Protection of MBus short connection | Yes, triggering current 500 mA |
| Short connection reaction time | Programmable - 1 - 4s (recover 10 - 60s) |
| M-Bus line voltage | Mark - 36 - 40 V. Space 24 - 27 V |
| Data transfer speed | From 300 to 9600 bods |
| Galvanic isolation | Power– RS485 Power – M-Bus M-Bus - RS485 |
| Insulation breakdown voltage | > 1,5 kV |
| Power supplier | 12 - 36 VDC |
| Power consumption | Not loaded up to 3,5W, fully loaded up to 20W |
| Indication | LED |
| Enclosure | DIN rail mountable |
| Dimensions | 45 mm x 75 mm x 105mm |
| Operating conditions | From - 25 oC to + 60 oC / 95% RH, without condensate |
