Time" Function - Siemens SIMATIC S7-1200 Manual

4 Mode of Operation
4.5 Data logging - blocks
Figure 4-12
Data log already exists
Data log does not exist
Data log does not exist

"Time" function

4.5.3
The "HMI" FB is used for setting the CPU system and reading the CPU local time.
The system time of the controller provides the time stamp of the DataLog data
records.
The CPU local time is also displayed in the HMI.
The HMI system time is synchronized with the CPU system time.
The call of the "time" FC is in OB1.
Figure 4-13
Weighing, Controlling and Logging (Set 6)
Entry ID: 82454336, V2.0,
DataLogCreate
Status ?
DataLogOpen
Status ?
DataLogWrite
Status ?
INC NumberRecords
10/2017
0
DONE
10
DONE
20
Data log not open
DONE
33