
Installation
Electrical installation
Wiring with a host (master)
l
21
EDS82ZAFPC201 EN 4.0
Number of bus devices
M
1
2
3
S
S
S
S
S
R
R
2133PFB004
Segment
Master (M)
Slave (S)
Repeater (R)
1
1
2
31
30
−
−
2
−
30
1
3
−
30
1
I
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.