PROFIBUS
Leuze electronic
BCL 34
85
TNT
35/7-2
4
V
8.3.35
Switching output expansion
Module 49
This module defines additional parameters for the switching output (
) and should
only be used in conjunction with this module. The parameters permit the new event counter
function for the switch-on function [EF] of the switching output to be used.
If, for example, the switching output is to be activated after four invalid read results, the
"comparative value" is set to 4; in Module 14, the respective switch-on function must be
configured as "invalid read result".
The comparison mode parameter can be used to define whether the switching output is
activated only once in the case that the event counter and comparative value fulfil the
"parity" condition, or if it is activated multiple times, on each successive event after the
"parity" condition is met.
The event counter can always be reset by using bit 1 in the output data of Module 14. In
addition, the parameter "reset mode" permits an automatic reset once the "comparative
value" is reached. Automatic resetting upon reaching the comparative value always results
in the switching output being switched once independent of the comparison mode param-
eter.
The standard switch-off function [AF] at "reading gate start" is unsuited for this application
since it causes the event counter to be reset on each reading gate start. It is recommended
that all switch-off functions be deactivated.
Parameters
Parameter
Description
Rel.
addr.
Data
type
Value Range
Default
Unit
CR to
module
Comparative
value (event cnt.)
If the number of activation events of the
selected switch-on function reaches this
comparative value, the switching output is
activated. A deactivation event of the selected
switch-off function resets the counter.
0 … 65535
0
–
Comparative
mode (event
counter)
Specifies whether the switching output
switches only on parity (once) or also in the
event of greater or equal to (multiple times)
after the comparative value is reached.
0: SWOUT switches once
1: SWOUT switches sev-
eral times
0
–
Reset mode
(event counter)
Specifies whether the counter (Event Counter)
is reset only by the reset bit and the selected
switch-off function, or if the counter should
be automatically reset after the comparative
value is reached.
0: reset bit and [AF] in
module 14
1: Comparative value
reached
0
–
Parameter length: 8 bytes
a
b
c
Summary of Contents for BCL34
Page 1: ...BCL34 Barcode reader GB 05 10 08 50038851 T E C H N I C A L D E S C R I P T I O N...
Page 98: ...Appendix 96 BCL 34 Leuze electronic 12 Appendix 12 1 EU Declaration of Conformity...
Page 102: ...Index 100 BCL 34 Leuze electronic V Vibration 18 W Warm up time 18 Warning notices 8 Weight 17...
