Technical data

Table Of Contents
System Status Lists (SSL)
System Software for S7-300/400 System and Standard Functions - Volume 2/2
33-56
A5E00739858-01
Data Record
A data record of the partial list with ID W#16#0y94 has the following structure:
Contents Length Meaning
index 1 word 0: central module
1-31: distributed module on PROFIBUS DP
100-115: distributed module on PROFINET IO
status_0 BOOL Group information
1: at least one of the following status bits has the value 1
0: all the following status bits have the value 0
status_1 BOOL Status, station 1
1: station 1 faulty (only applies to 0694)
0: station 1 OK (only applies to 0694)
status_2 BOOL Status, station 2
1: station 2 faulty (only applies to 0694)
0: station 2 OK (only applies to 0694)
..
status_2047 BOOL Status, station 2047
1: station 2047 faulty (only applies to 0694)
0: station 2047 OK (only applies to 0694)
A status bit of non-configured racks/stations/devices has the value 0.
Note
Important difference to the previous SSL ID W#16#xy92
Compared to the previous SSL ID W#16#xy92, the data have been shifted by one
bit since bit status_0 is used for group information.