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Access Modular
Controller 2
4.9
RS-485 Host Interface
The RS-485 host interface of the controller can be set for using
a 2- or 4-wire connection. Up to eight controllers can be used on
one host bus.
3
Figure 4.9: Configuration of a RS-485 host system
Position Description
The following conditions apply for a RS-485 bus system:
–
–
–
Bosch Security Systems B.V.
1
2
RS 485
1
Host
2
RS-485 bus
3
Access Modular Controller
A bus system consists of a bus line and/or one or more
branch lines.
Cable lengths exceeding 100 m (300 ft) must be installed
as bus lines.
Branch lines are branching connections from a bus line.
Installing | en
27
2019-11 | V02 |
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