Upstream master
Upstream master
Sees the converter through M-Bus Slave input.
Design Guides
M-Bus repeater operation.
A converter with an M-Bus Slave input and local M-Bus Master output can be used conceptually as a segment repeater, where the upstream side sees a slave-like interface and the downstream side powers a local meter segment.
Architecture
Repeater operation is useful when a meter network must be extended, segmented or isolated by current budget. The upstream master communicates through the device while the local side maintains its own M-Bus segment.
Downstream meters
Downstream meters
Connected to the local M-Bus Master output.
Design caution
Design caution
Confirm timing, addressing and current reserve in documentation.
When to use
Use repeater concepts for extended installations, not as a substitute for a properly designed segment plan.
Long networks
Long networks
Segment rather than overload one line.
Serviceability
Serviceability
Faults become easier to localize.
Capacity
Capacity
Match segment size to MBS capacity class.
Cross-domain role
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