Leuze BCL34, Technical Description

Page: 71 / 102

PROFIBUS
Leuze electronic BCL 34 69
TNT
35/7-2
4
V
8.3.15 Activations
Module 18
The module defines the control signals for the standard reading operation of the barcode
scanner. The data is not protected through a handshake.
Attention!
The joint use of modules 18 and 19 may cause malfunctions. Use only one of the two
modules at a time.
Parameters
none
Input Data
none
Output Data
Output Data Description Rel.
addr.
Data
type
Value Range Default Unit CR to
module
Scan gate time
Signal, activates the reading gate 0.0 Bit
1 -> 0: Reading gate
off
0 -> 1: Reading gate
active
0 –
Free 0.1 Bit 0 –
Free 0.2 Bit 0 –
Free 0.3 Bit 0 –
Free 0.4 Bit 0 –
Data reset
Signal, resets the following bit states and
decoder results:
• Module 16: Bit 0.1, input data
• Module 20: Bit 0.0, input data
Bit 0.1, input data
Bit 0.2, input data
• Module 21 … 27: Data, when the parame-
ter "Decoding result at reading gate start"
(module 12) has been set to value 1 (input
data are reset to the init. value).
0.5 Bit 0 -> 1: Data reset 0 –
12b
16e
20abc
21 … 27i
System reset
Signal, triggers a system reset if the level
changes from 0 to 1.
0.6 Bit 0 -> 1: Reset 0 –
Standby
Signal, activates the standby function 0.7 Bit
0: Standby off
1: Standby on
0 – 20h
Output data length: 1 byte
a
b
c
d
e
f
g
h