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CMeX12S

1050051

Infrastructure

Elvaco's Infrastructure segment is made up of products that enable collection, processing and delivery of meter data. Our M-Bus Gateways are used to read meters and deliver meter data in a suitable format to a receiving system. M-Bus Masters extends the number of meters a Gateway is able to use and Wireless M-Bus Receivers enables the Gateway to communicate with Wireless M-Bus meters. Elvaco also offers turn-key solutions, which are assembled, connected and ready to start using at delivery. 

CMeX12S M-Bus Master for 128 meters

CMeX12S is an M-Bus Master which, by providing additional supply current, extends the number of meters a CMe Series Gateway is able to use. The product is equipped with a unique IR Pass Through feature which enables up to four CMe/CMeX Series devices to communicate via IR, by stacking them side-by side. CMeX12S also supports integration with existing M-Bus systems through RS232.

To ensure maximum longevity, the CMeX12S M-Bus Master for 128 meters consists of a robust polyamide casing and fail-safe, low-maintenance electronics. For ease of installation, the model can easily be mounted on a standard DIN rail.

A simple interface consisting of coloured LED lights shows whether the CMeX12S M-Bus Master for 128 meters is working correctly. The green LED lights up when the device is on, while the two yellow LEDs show that data is currently being transmitted and the red LED indicates an error message. The CMeX12S M-Bus Master for 128 meters is compatible with all M-Bus meters, ABB meters with IR interfaces and all CMe/CMeX series devices produced by Elvaco.

Mechanics

Casing material:
Polyamide
Dimensions (w x h x d):
105 x 90 x 65 mm (6 DIN modules)
Protection class:
IP20
Weight:
220 g
Mounting:
Mounted on DIN rail (DIN 50022) 35 mm

Electrical connections

Supply voltage:
Screw terminal. Cable 0.75-2.5 mm², 0.5 Nm tightening torque
M-Bus master port:
Pin terminal solid wire 0.6-0.8 Ø mm and screw terminal 0.25-2.5 mm²
RS232:
RJ45 8/8

Electrical characteristics

Nominal voltage:
100-240 VAC (±10%)
Frequency:
50/60 Hz
Power consumption (max):
<25 W
Power consumption (nom):
<1 W
Installation category:
CAT 3

Environmental specifications

Operating temperature:
-30 °C to +55 °C
Operating humidity:
5 % to 90 %, non-condensing
Operating altitude:
0-2000 m
Pollution degree:
Degree 2
Usage environment:
Indoors, can be extended with IP67 enclosure for outdoor use
Storage temperature:
-40 °C to +85 °C

Temperature sensor, margin of error

Humidity sensor, margin of error

User interface

Green LED:
Power
Red LED:
Error
Yellow LED 1:
M-Bus data transmission from device
Yellow LED 2:
M-Bus data transmission to device

M-Bus

Interfaces:
IR, integrated M-Bus Master
M-Bus standard:
EN 13757

Wireless M-Bus

Integrated M-Bus Master

Nominal voltage, master port:
42 VDC
M-Bus baud rate, master port:
300 and 2400 bit/s
M-Bus search modes:
Primary, secondary
Maximum cable length:
5000 m (100 nF/km, maximum 90 ohm)
IR Pass Through:
Yes, with a maximum of four devices stacked side by side
Maximum number of unit loads (hardware limit):
128T/192 mA

Wireless M-Bus Receiver

M-Bus slave interface

General

Data storage (examples)

Mobile Network

Fixed Network (Ethernet)

Integration

Compatibility:
All M-Bus meters, ABB meters with IR interface, CMe/CMeX Series

Approvals

EMC:
EN 61000-6-2, EN 61000-6-3, FCC 47 CFR
Safety:
EN 62368-1 2018, UL 62368-1:2014 Ed.2], CSA C22.2#62368-1:2014 Ed.2]

Connections and Interfaces

Transmissions