Leuze BCL34, Technical Description

Page: 54 / 102

PROFIBUS
52 BCL 34 Leuze electronic
8.3.3 Reading Gate Control
Module 6
With the module, the reading gate control of the barcode scanner can be adapted to the
application. With different parameters from the barcode scanner, a time-controlled reading
gate may be created. In addition, it defines the internal criteria for the reading gate's termi-
nation.
Parameters
Input Data
none
Output Data
none
Parameter Description Rel.
addr.
Data
type
Value Range Default Unit CR to
module
Automatic
reading gate
repeat The parameter defines the automatic
repeat of reading gates 0: No
1: Yes
0 –
11a or
5a
Reading gate
termination
mode
With this parameter, the reading gate
termination can be made to depend on
the decoding results.
A premature termination of the reading
gate can be triggered by reaching the
defined reading security (
Module 11 /)
or by reaching the specified number of
barcodes per reading gate (
Module 5 ).
Obviously, the relevant modules must
be transferred into the project.
0: independent of decoding
1: dependent on decoding
1 –
Restart-
Delay
The parameter specifies a time after
which a reading gate is restarted. This
means, the BCL generates its own peri-
odic reading gate.
0 … 60,000 0 ms
Maximum
reading gate
time when
scanning
The parameter switches off the reading
gate after the set time has elapsed,
thus limiting the reading gate to the set
period.
0 … 60,000 0 ms
18a or
19a
Reading gate
termination
after scans
without data
A reading gate can be terminated with
this parameter if a barcode was read
and no data was found during the sub-
sequent number of scans defined in the
parameter.
0 … 60,000 0 Scans
18a or
19a
Parameter length: 8 bytes
a
b
c
d
e