Description
Leuze
electronic
12
BCL 40
Leuze electronic
Figure 3.1:
Possible combinations of the BCL 40 / MA 10
Networking
Up to 31 BCL 40 bar code readers can be networked together using the connector unit
MA 10 (with interface module RS 485). The devices are interconnected by connecting the
individual RS 485 interfaces in parallel.
multiNet plus
In the Leuze multiNet plus, the individual network devices sequentially transfer their data to
the network master MA 30 when requested ("polling").
The master station can also be fitted with an BCL 40, making it a complete scanner station
which also controls the network.
Each network device declared as a slave maintains a device address which is set in the
respective MA 10 with a coding switch. If the reader unit is exchanged (BCL), the device
address and all settings in the MA 10 are maintained.
The master then transmits the data of all network devices via its host interface to a primary
PLC control system or a computer, i.e. it "collects" the scanner data in the network and trans-
mits them to an interface on the host computer. This reduces interface costs (CPs) and time
programming the software.
The MA 30/31 are suitable for use as network master devices.
BCL 40 as
"Stand alone"-device
ó
BCL 40 with the
connector unit MA 10
mounted together
ì
BCL 40 and MA 10
mounted separately
and connected
together by a cable
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