Metro DataVac MB-RS, User Manual, Page: 5 / 18

3. INTRODUCTION
3.1. PRODUCT PRESENTATION
The MB-RS module allows to connect the entire range of M-Bus modules (except the
MB-BT – Bluetooth) on a PC or a PLC with USB or RS232 through and ASCII
protocol or with MODBUS-RTU.
Up to 254 inputs can be connected.
A footswitch ref 18020 can be also connected on the MB-RS.
The power supply is done through an external power transformer
3.2. CARACTERISTICS
3.2.1. Main technical characteristics

Up to 254 inputs

RS232 com port for computer or PLC

M-Bus port for connecting the M-Bus multiplexers (except the MB-BT – Bluetooth
module)

USB full speed port with ASCII protocol

Reset button

Data transfert trhough footswitch pulse or through a command on the RS232 or
USB port

Operating Temperature : +15°C à +30°C

Relative humidity : maximum 80%

Dimensions : width 83 mm, height 39 mm, depth 74 mm

Weight : 165 grammes

Standard 7.5*35 DIN Rail mounting