Barcode reader VB34
Installation
Da
te
of
issue
06/
1
3
/2005
46
Subject to reasonable modifications due to technical advances.
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*) Light barrier (presence sensor) connected to the external trigger input .
(1) Primary serial interface
(2) Secondary serial interface
Figure 6.51
RS232 master/slave for VB34 master/slave fieldbus models
6.7.4
Multiplexer
The Multiplexer layout serves to integrate VB34 slave readers into a Multidrop
network, which consists of different readers without a Lonworks interface .
All the readers are connected via the primary interface to a Multiplexer.
In this instance, the primary interface is configured as the RS485 half duplex
interface.