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Siemeca AMR ™ Network Node WTT16/WTX16 M-Bus ... - Armatec AB

Siemeca AMR ™ Network Node WTT16/WTX16 M-Bus ... - Armatec AB

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5 Annex<br />

5.1 M-<strong>Bus</strong> Ranges<br />

The table below serves as a general guideline for the ranges achievable with the M-bus. However, the properties of the specif<br />

especially those of the M-bus master, need to be considered as well. The following calculation example is based on an M-bus<br />

with an WZC.P250 level converter. If WZC.P250s are connected in series, the maximum cable length will increase accordingl<br />

Type of System<br />

Small Residential<br />

Buildings<br />

Larger Residential<br />

Buildings<br />

Smaller<br />

Neighborhoods<br />

Larger<br />

Neighborhoods<br />

Maximum<br />

Distance<br />

Cumulative Cable<br />

Length<br />

Diameter or Cross-section of<br />

Cable<br />

Number of M-<strong>Bus</strong><br />

Devices (Slaves)<br />

350 m 1,000 m 0.8 mm 250 9,6<br />

350 m 4,000 m 0.8 mm<br />

250 2,4<br />

64 9,6<br />

1,000 m 4,000 m 0.8 mm 64 2,4<br />

3,000 m 5,000 m 1.5 mm 64 2,4<br />

Ma<br />

Tra

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