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Electrical connection
7.4
Leuze multiNet plus
The Leuze multiNet plus is optimised for fast transmission of scanner data to a primary host
computer. The multiNet plus consists physically of a two-wire RS 485 interface through
which the multiNet plus software protocol is controlled.
This makes wiring the network easy and inexpensive as slaves are connected to one
another in parallel.
BCL 500
Figure 7.8:
With the aid of a BCL 500
this purpose, each participating BCL 500
address via the display and the control panel. The devices are networked by connecting the
individual RS 485 interfaces in parallel.
In the Leuze multiNet plus network, the individual network devices sequentially transfer their
data to the network master BCL 500
The BCL 500
(either an RS 232 or RS 422) to a primary PLC control or to a computer, i.e. it "collects" the
scanner data in the network and transmits it to an interface on the host computer. This
reduces interface costs (CPs) and time spent programming the software.
82
i
master
BCL 501
i
slave 1
Terminating resistor on the last slave
Leuze multiNet plus system topology
i
network master, up to 31 barcode readers can be networked. For
i
master then transmits the data of all network devices via its host interface
BCL 500
to PC/PLC
BCL 501
i
slave 2
i
i
or BCL 501
i
when requested.
i
i
\ BCL 501
BCL 501
i
is assigned its respective station
Leuze electronic
slave n
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