Glossary term
Segment
topologieBasics
Definition
Physical portion of a line, powered by a dedicated PSU. Maximum 64 components per segment. A line can comprise up to 4 segments connected via Line Repeaters.
Questions using this term
- A KNX TP line can accommodate up to 256 devices when line repeaters are used.2. TP Topology · Liniengrenzen
- Within a KNX area, the maximum number of Line Couplers is 15, one per subsidiary line.2. TP Topology · Bereichsbegrenzungen
- A bus termination (end-of-line resistor) must be installed at each end of a KNX TP segment, in the same way as for an RS-485 bus.5. TP Installation · Verkabelung
- In an installation predating 2018, a maximum of 64 sensors, actuators, line couplers and backbone couplers can be connected to a TP main line.2. TP Topology · Offizielle Musterprüfung 4
- BACnet MS/TP uses a token-passing protocol between the Master nodes of an RS-485 segment: the token holder is allowed to communicate during a bounded time slot and then passes the token to the next Master in the logical ring.5. MS/TP · Token Passing
Practice now
See how exam-ready you really are for KNX Basic
10 real certification questions, no account needed. Find your gaps in under 5 minutes — free.