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