Industrial
Electronic Devices
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User Manual
M-Bus Slave / Modbus Master - Converter
Document code: MN67059_ENG Revision 2.000 Page 13 of 33
M-BUS:
The M-Bus is a unpolarized bus.
A two wire standard telephone cable (JYStY N*2*0.8 mm) is used as the transmission medium for the M-
Bus.
ETHERNET:
The Ethernet connection must be made using Connector3 with at least a Category 5E cable. The
maximum length of the cable should not exceed 100m. The cable has to conform to the T568 norms
relative to connections in cat.5 up to 100 Mbps. To connect the device to an Hub/Switch is recommended
the use of a straight cable, to connect the device to a PC/PLC/other is recommended the use of a cross
cable.