Siemens SIMATIC ET 200SP - Measured Value Data Record for Minimum Values (DS 145) Version 1

Measured value data records
E.5 Measured value data record for maximum values with time stamp (DS 154)
Analog input module AI Energy Meter 480VAC/CT HF (6ES7134-6PA00-0CU0)
242 Manual, 07/2018, A5E42674880-AA
Structure of time stamp
The table below shows the structure of the time stamp:
Byte
PN Time
Format
Length
0 Status
0: Synchronization from system time
master available
1: local synchronization available
2: no synchronization
UINT16 2 bytes
2
Seconds high
UINT16
2 bytes
4
Seconds low
UINT32
4 bytes
8
Nanoseconds
UINT32
4 bytes
The start value (initial value) is 01.01.1970, 0:00
Note
If you use the FAQ from the section
Time-of-day synchronization and time stamp (Page 53),
the status is always 2.