MBUSD
Wieland Electric GmbH | BA000917 | 01/2019 (Rev. B)
25
6.5
Technical specifications
Expansion port M-BUS
External power sup-
ply
Voltage
+10 … +30 V
Supply power
Max. 4 W
Environment
Operating temperature
-30 … +60 °C
Storage temperature
-30 … +85 °C
Standards
Emission
EN 55022/B
Immunity
ETS 300 342
Safety
EN 60950
M-BUS specifica-
tions
(EN 1434)
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
Max. total cable length
(300Bd, 200nF/km)
1000 m
6.6
Delivery identification
Trade name
Type name
Power supply
XC-MBUS
XC-MBUS
External supply
Table 12: Technical
specifications
Table 13: MBUS deliv-
ery identification
Figure 11: Example of
expansion port
MBUSD label