Service manual

CDA70 MODEM DESCRIPTION
17
• MBUS
Name of port MBUS
Voltage 10,8 .. 15,6 V Power supply
Supply power Max. 30 W
Operating temperature -20 .. +55 C Environment
Storage temperature -20 .. +85 C
Emission EN 55022/B
Immunity ETS 300 342
Standards
Safety EN 60950
Max. devices (each 1,5 mA) 30
Max. operating bus current 60 mA
Overload detection 100 mA
Short circuit strength Permanent
Bus voltage mark 36 .. 43 V
Bus voltage space 24 .. 31 V
M-Bus specifications
(EN 1434)
Max. total cable length
(300Bd, 200nF/km)
1000 m
• Ethernet
Port ETH
Power supply Internal ...
Operating temperature -20 .. +55 C Environment
Storage temperature -20 .. +85 C
Emission EN 55022/B
Immunity ETS 300 342
Standards
Safety EN 60950
Max. virtual communicate
channels number
6
Max. bit rate 100 Mbps
Ethernet specification
Max. total cable length
(300Bd, 200nF/km)
100 m