Installation - Metasys - LIT-12013987 - SIS-MBUSSCxx-xE, SIS-MBUSRPxx-0E, SIS-MBUSNCxx-xE - M-Bus Level Converter and Repeater

M-Bus Level Converter and Repeater Product Bulletin

Product name
M-Bus Level Converter and Repeater
Document type
Product Bulletin
Document number
LIT-12013987
Version
Revision date
2022-10-11
Product status
Active
Table 1. Installation examples
Installation Distances and number unit loads

Distance between level converter and devices <= 350 m

Total length of segment wiring <= 1,000 m

cable 2 x 0.5 mm², shielded, resistance < 30 Ohms

max. 250 unit loads @ 9,600 baud

max. 64 unit loads @ 38,400 baud

Distance between level converter and devices <= 350 m

Total length of segment wiring <= 4,000 m

cable 2 x 0.5 mm², shielded, resistance < 30 Ohms

max. 250 unit loads @ 2,400 baud

max. 64 unit loads @ 9,600 baud

Distance between level converter and devices <= 1,000 m

Total length of segment wiring <= 4,000 m

cable 2 x 0.5 mm², shielded, resistance < 90 Ohms

max. 64 unit loads @ 2,400 baud

Distance between level converter and devices <= 3,000 m

Total length of segment wiring <= 5,000 m

cable 2 x 1.5 mm², shield recommended, resistance < 90 Ohms

max. 64 unit loads @ 2,400 baud
Figure 1. M-Bus layout: Serial level converter
Figure 2. M-Bus layout: Ethernet level converter