Datalog - Siemens SIMATIC S7-1200 Manual

7 Operating the Application
7.3 Live demo
7.3.4

DataLog

This screen is used to evaluate the status of the process data logging.
Figure 7-6
1. Determine the maximum number of data records and the name of the DataLog
file via the input fields "RECORDS" and "NAME".
2. The sequence of the "DataLog" FB is enabled via the "ON" button and the csv
file is created and opened according to the specifications of the input fields
"RECORDS" and "NAME" (if not yet existing).
When disabling ("OFF"), the csv file is closed and it can be deleted via the web
server in this state.
The sequence of the "DataLog" FB is reset via the "Reset" button. The csv file
is created and opened according to the specifications of the input fields
"RECORDS" and "NAME". Prerequisite for this is that there is no file yet with
the same name.
3. The last data record of the DataLog file is displayed with the logged process
values.
4. After each filling, the determined process data is logged and the DataLog
number is incremented by one.
5. The status of the sequence specifies at which step the "DataLog" FB is
located:
–
Step 0: DataLogCreate
–
Step 10: DataLogOpen
–
Step 20: DataLogWrite
6. If there are any possible errors, the hexadecimal error code is displayed with
the respective error message.
Weighing, Controlling and Logging (Set 6)
Entry ID: 82454336, V2.0,
2
4
5
10/2017
1
7
3
6
8
53