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CMc LTE Box

CMc LTE Box

The CMc LTE Box is a solution for remote meter reading via a mobile network. The CMe2100 LTE M-Bus Metering Gateway combined with an M-Bus Master from the CMeX10-13S Series makes it possible to read up to 256 M-Bus meters. 

Communication takes place with support for the mobile LTE (4G) network and an automatic fallback function. The CMc LTE Box is fully pre-assembled and wired in a protective enclosure on delivery, thereby requiring minimal installation effort.

CMc LTE Box - Elvaco box-build for Mobile Network

Elvaco's CMc LTE Box consists of our M-Bus Metering Gateway CMe2100 LTE, an external magnet mount antenna, and an M-Bus Master from the CMeX10-13S Series (only for 32-256 meters), fully assembled and connected in a protective enclosure at delivery. This box-build solution is used to read up to 256 M-Bus meters, compile meter data in customized reports and deliver it to a receiving system. This by a set time schedule and integration protocol via a mobile network with support for LTE communication and automatic fallback function (2G/3G/LTE). Our Wireless M-Bus Receiver CMeX50, which enables communication with up to 256 Wireless M-Bus meters is available as an add-on option.
  • Total: 10
  • Total: 10

Mechanics

Casing material:
Polystyrene (box) and polycarbonate (transparent door)
Dimensions (w x h x d):
CM-Box 3: 100 x 150 x 96 mm, CM-Box 5: 125 x 200 x 122 mm, CM-Box 12: 250 x 200 x 122 mm
Protection class:
IP55
Mounting:
Wall-mount

Electrical connections

Supply voltage:
Screw terminal. Cable 0.5-2.5 mm², 0.5 Nm tightening torque
M-Bus master port:
Screw terminal. Cable 0.2-1.5 mm², 0.5 Nm tightening torque
USB master port:
Type A
USB slave port:
Type micro B
Network:
Mobile (Radio)

Electrical characteristics

Nominal voltage:
100-240 VAC (±10%)
Frequency:
50/60 Hz
Installation category:
CAT 3

Environmental specifications

Operating temperature:
-20 °C to +55 °C
Operating humidity:
5 % to 90 %, non-condensing
Operating altitude:
0-2000 m
Pollution degree:
Degree 2
Usage environment:
Indoors
Storage temperature:
-40 °C to +85 °C

Temperature sensor, margin of error

Humidity sensor, margin of error

User interface

Configuration:
SMS, HTTP, Telnet

M-Bus

Interfaces:
Integrated M-Bus Master
M-Bus standard:
EN 13757
Decryption:
No

Wireless M-Bus

Integrated M-Bus Master

Nominal voltage, master port:
28 VDC (CMeX10-11) or 42 VDC (CMeX10S-13S)
M-Bus baud rate, master port:
2400 and 9600 bit/s
Maximum number of M-Bus devices (software limit):
256
M-Bus search modes:
Primary, secondary
Maximum cable length:
1000 m (100 nF/km, maximum 90 ohm)
Maximum number of unit loads (hardware limit):
256T/384 mA

Wireless M-Bus Receiver

M-Bus slave interface

General

Real-time clock backup:
12 h
Real-time clock accuracy:
<2 s/day
Script engine:
Intelligent script engine for active content generation
Software/firmware update:
HTTP
Metering reports:
HTTP, FTP, SMTP (e-mail)

Data storage (examples)

Mobile Network

Fixed Network (Ethernet)

Integration

Approvals

EMC:
EN 61000-6-2, EN 61000-6-3, EN 301489-1, EN 301489-7
Safety:
EN 61010-1, CAT 3

Connections and Interfaces

Transmissions