Installation
Electrical installation
Wiring with a host (master)
5
23
EDS82ZAFPC010 EN 4.0
Number of bus devices
M
123
SS S S S
RR
2133PFB004
Segment Master (M) Slave (S) Repeater (R)
11
2
31
30
−
−
2 − 30 1
3 − 30 1
Tip!
Repeaters do not have a device address. When calculating the maximum
number of bus devices, they reduce the number of devices by 1 on each side of
the segment.
Repeaters can be used to build up line and tree topologies. The maximum total
bus system expansion depends on ...
ƒ the baud rate used;
ƒ the number of repeaters used.