Electrical connection
Leuze electronic GmbH + Co. KG
BCL 300
i
\ BCL 301
i
81
7.5.2 The BCL 301
i
as network slave
The BCL 301
i
bar code readers are specially designed for slave operation in a network. They transmit data
to the multiNet master only after the master prompts it to do so and establish the continuing connection
via the BUS OUT socket/terminal to the slaves which follow. Only a few parameters need to be set for
slave operation (see chapter 10 "Commissioning and configuration"). Network commissioning can thus be
performed in very little time.
The connection is performed as shown in Chapter 7.4.4 and Chapter 7.4.5.
Slave address
With the BCL 301
i
, the network address, i.e. the corresponding station number of the slave, is set via the
address switch in the MS 301, MK 301 or MA 100. The address which is set must be > 0 since the master
always has address 0 (Adr.00).
Each network device with an address > 0 is thereby automatically informed that it is a slave in the Leuze
multiNet plus with this address and that it is initialized and queried by the network master. No other settings
are necessary for commissioning in the Leuze multiNet plus.
Other settings
The parameters necessary for the reading task, such as the code types to be read and the number of digits
of the code, must be set. This is done with the help of the webConfig tool.
7.6
Cable lengths and shielding
Observe the following maximum cable lengths and shielding types:
Connection
Interface
Max. cable
length
Shielding
BCL – service
USB
3m
Shielding absolutely necessary acc. to USB specifica
-
tions
BCL – host
RS 232
RS 422
RS 485
10 m
1200 m
1200 m
Shielding absolutely required
RS 422/485 conductors, stranded in pairs
Network from the
first BCL to the
last BCL
RS 485
1200 m
Shielding absolutely required
RS 485 conductors, stranded in pairs
BCL – power sup
-
ply unit
30m
Not necessary
Switching input
10 m
Not necessary
Switching output
10 m
Not necessary
Table 7.6:
Cable lengths and shielding
