Rs-485 Host Interface - Bosch Access Modular Controller 2 Manual

22 en | Installing
4.9

RS-485 host interface

The RS-485 interface is not supported by:
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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 4.10: Configuration of a RS-485 host system
The following conditions apply for a RS-485 bus system:
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To use RS-485 mode at the controller, connect the data cables to the pluggable screw
connector of the RS-485 host interface.
2022-11 | V04 |
BIS 4.9.1 and later
AMS 4.0 and later.
1
2
RS 485
Position Description
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.
Peripheral devices are controllers which are connected to the host computer.
Maximum cable length of a bus line must not exceed 1200 m (4000 ft).
The cable length of branch lines must not exceed 100 m (330 ft).
Guide d'installation
Access Modular Controller 2
Bosch Security Systems B.V.