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Kamstrup A/S • 5512853_C1_GB_01.2017
M-Bus Master MultiPort 250D
4.3.3 Examples of network sizes
The below tables show examples of possible network sizes with different cable configurations. Each connected
repeater increases the possible cable length by the below lengths.
Cable type 0.34 mm
2
(56 Ohm/110 nF)
Speed / Number of meters
10
50
150
250
300 baud
10,000 m
2,000 m
700 m
400 m
2400 baud
4,000 m
2,000 m
700 m
400 m
9600 baud
2,000 m
2,000 m
700 m
400 m
Possible cable lengths with all meters placed at the end of the cable network.
Speed / Number of meters
10
50
150
250
300 baud
10,000 m
3,500 m
1,200 m
700 m
2400 baud
7,000 m
3,500 m
1,200 m
700 m
9600 baud
3,500 m
3,500 m
1,200 m
700 m
Possible cable lengths with meters evenly distributed in the cable network.
Cable type 1.5 mm
2
(12 Ohm/110 nF)
Speed / Number of meters
10
50
150
250
300 baud
10,000 m
8,000 m
2,800 m
1,600 m
2400 baud
10,000 m
8,000 m
2,800 m
1,600 m
9600 baud
3,500 m
3,500 m
2,800 m
1,600 m
Possible cable lengths with all meters placed at the end of the cable network.
Speed / Number of meters
10
50
150
250
300 baud
10,000 m
10,000 m
4,800 m
2,800 m
2400 baud
10,000 m
10,000 m
4,800 m
2,800 m
9600 baud
6,500 m
6,500 m
4,800 m
2,800 m
Possible cable lengths with meters evenly distributed in the cable network.