Siemens PPU 26x.3 series Manual page 81

Name
Sync
PPU and components
Manual, 10/2015, 6FC5397-2DP40-5BA3
Color Status
Green Off
Green
Flashing green (0.5 Hz)
6.4 PLC I/O Interface based on PROFINET
Meaning
The task system is not synchronized to the send
cycle of PLC I/O interface. An internal substitute
cycle of the same size as the send cycle will be
generated.
The task system has been synchronized to the
cycle for PLC I/O Interface, and data exchange
is running.
The task system has been synchronized to the
cycle for PLC I/O Interface. The cyclic data ex‐
change is running.
Interface description
81