Leuze BCL34, Technical Description

Page: 78 / 102

PROFIBUS
76 BCL 34 Leuze electronic
8.3.22 Reading gate number
Module 36
The module defines input data for the communication of the number of reading gates since
system start. This number is not necessarily the same as the number of reading gate acti-
vations. In the case of low quality programming, several activation commands may be sent
for one reading gate. The modules 35 and 36 are usually used together to recognise
programming errors through the deviation of these two values.
Parameters
none
Input Data
Output Data
none
8.3.23 Number of scans per reading gate
Module 37
The module defines input data for the total number of scans which were required for the
previous reading gate.
Parameters
none
Input Data
Output Data
none
Input Data Description Rel.
addr.
Data type Value Range Default Unit CR to
module
Reading gate
number
The BCL transmits the current reading gate number.
The reading gate number is initialised with the system
start and is then incremented continuously. At 65535,
an overflow occurs and the counter starts afresh
from 0.
0 … 1 unsign16 0 … 65535 0 –
Input data length: 2 bytes consistently
a
Input Data Description Rel.
addr.
Data type Value Range Default Unit CR to
module
Scans in the
reading gate
Number of scans for the reading
gate.
0 … 1 unsign16
0 … 65535
If the range is exceeded, the value
remains at 65535
0 –
Input data length: 2 bytes consistently
a