Electrical installation
Wiring
4
EDKMF2133 DE/EN/FR 4.0
49
H2_Verdrahtung-TN anzahl
Number of devices connected to the bus
M
123
SS S S S
RR
2133PFB004
Segment Master (M) Slave (S) Repeater (R)
1 1
2
31
30
-
-
2 - 30 1
3 - 30 1
Tip!
Repeaters do not have a station address but in the calculation of the number
of stations they reduce the number of stations by 1 on each side of the
segment.
Repeaters can be used to build up line and tree topologies. In this case, the
maximum total bus system expansion depends on
ƒ
the baud rate used
ƒ
the number of repeaters used
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