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CMa30

1050103

Accessories

This segment is made up of accessories, for example antennas, enclosures and M-Bus accessories, which are used to adapt or enhance our products.

CMa30 - USB M-Bus Master

CMa30 is designed for mobile service. Used with a laptop, it is a perfect option for installation of individual M-Bus slaves as well as for fast and easy reading of small M-Bus systems. The product is opto-isolated for secure and error-free operation.

Mechanics

Dimensions (w x h x d):
98 x 57 x 26 mm
Protection class:
IP41
Weight:
95 g
Mounting:
Desktop

Electrical connections

Supply voltage:
From USB (type A-type B)
M-Bus master port:
Pluggable screw terminal 0.25-2.5 mm²
USB slave port:
Type B

Electrical characteristics

Nominal voltage:
5 V
Amperage:
500 mA
Power consumption (at 1T):
160 mA

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

M-Bus

Interfaces:
Integrated M-Bus Master
M-Bus standard:
EN 13757

Wireless M-Bus

Integrated M-Bus Master

Nominal voltage, master port:
28 VDC
M-Bus baud rate, master port:
300 and 2400 bit/s
Maximum cable length:
1000 m (100 nF/km, maximum 90 ohm)
Maximum number of unit loads (hardware limit):
30T/45 mA

Wireless M-Bus Receiver

M-Bus slave interface

General

Data storage (examples)

Mobile Network

Fixed Network (Ethernet)

Integration

Compatibility:
All standard M-Bus slaves

Approvals

EMC:
EN 61000-6-2, EN 61000-6-3

Connections and Interfaces

Transmissions

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