Tags" Data Block; Data Logging - Blocks; Copy" Function - Siemens SIMATIC S7-1200 Manual

4 Mode of Operation

4.5 Data logging - blocks

"Tags" data block

4.4.3
The "tags" data block includes the tags for transmitting the function blocks and
functions to the interfaces.
The following table shows the tags that have been provided with deviating start
values in the example project.
Table 4-8
Name
DataLog.Enable
DataLog.RECORDS
DataLog.NAME
4.5 Data logging - blocks
To record the production data, the following blocks are used:


"Copy" function


"DataLog" function block

"Time" function
"Copy" function
4.5.1
The "copy" FC only collects all required data that is to be written into the DataLog
file and transfers it to the "DataLog" FB.
The call of the "copy" FC is in OB1.
Figure 4-10
Weighing, Controlling and Logging (Set 6)
Entry ID: 82454336, V2.0,
Data Start
type value
Bool true
UDInt 1000
String 'DataLog'
10/2017
Description
Enable of "DataLog" FB (false =blocked, true
=enabled)
Number of data records in the data log
Name of the data log file
29