CMa30 USB MBus Master Technical Datasheet.pdf
Technical Datasheet
CMa 30 USB MBus Master
Portable MBus reading
Part Code Name Load Host side Bus side
EL 101 DC CMa 30 USB MBus Master 30 unit loads USB MBus master
The CMa 30 is a USB powered MBus master built for engineers working in the fi eld . Plugged
into a laptop , it is used to commission and fault fi nd individual MBus meters , and to read
small MBus systems quickly . It conforms to EN 13757, is opto isolated and works with any
standard MBus slave , up to 30 unit loads . There is no external supply to carry , as the unit
takes its power from the USB port . Four LED indicators show power , bus faults and tra ffi c in
each direction , and the compact desktop case fi ts easily in a laptop bag .
Features :
USB powered MBus master for laptop
use
Up to 30 unit loads on the MBus port
Opto isolated MBus interface
Works with any standard MBus slave
LED indicators for power , bus errors ,
receive and transmit
Pluggable screw terminal for fast
connection
Windows and Mac drivers available
Compact 98 x 57 x 26 mm case , 95 g
Managed
Services
Meter Data
Management
Billing Solutions
PAYG
Management
Online Account
Management
sycous . com
sycous . com +44 (0) 113 3604 776 info @ sycous . com New York House , 1 Harper Street , Leeds , LS 2 7 EA
Sycous Limited is Registered in England and Wales . Company Number 08836039
Technical Datasheet
CMa 30 USB MBus Master
Technical Speci fi cation
Mechanics
Dimensions ( w x h x d ) 98 x 57 x 26 mm
Weight 95 g
Mounting Desktop use
Protection class IP 41
MBus connection Pluggable screw terminal , cable 0.25 to 2.5 mm ²
USB connection USB slave port type B ( cable type A to type B )
USB power
Nominal voltage 5 V
Current rating 500 mA
Power consumption ( at 1 unit load ) 160 mA
MBus master port
Nominal voltage 28 VDC
Maximum load 30 unit loads (30 T ) at 45 mA
Baud rates 300 and 2400 bps
Maximum cable length 1000 m (100 nF / km , max 90 ohm )
Isolation Opto isolated
Standard EN 13757
Environment
Operating temperature Minus 20 to plus 55 ° C
Operating humidity 5 to 90 % non condensing
Storage temperature Minus 40 to plus 85 ° C
Altitude 0 to 2000 m
Pollution degree 2
Use Indoor use only
Approvals
Marking CE
EMC EN 61000 6 2 and EN 61000 6 3
General
Meter compatibility All standard MBus slaves
Maintenance None required
Managed
Services
Meter Data
Management
Billing Solutions
PAYG
Management
Online Account
Management
sycous . com
sycous . com +44 (0) 113 3604 776 info @ sycous . com New York House , 1 Harper Street , Leeds , LS 2 7 EA
Sycous Limited is Registered in England and Wales . Company Number 08836039