Technical data

Table Of Contents
System Status Lists (SSL)
System Software for S7-300/400 System and Standard Functions - Volume 2/2
A5E00739858-01
33-43
33.24 SSL-ID W#16#xy90 - DP Master System Information
Purpose
If you read the partial list SSL-ID W#16#xy90, you obtain the status information of
all DP master systems known to the CPU.
Header
The header of partial list SSL-ID W#16#xy90 is structured as follows:
Contents Meaning
SSL-ID The SSL-ID of the partial list extract
W#16#0090: Information of all DP master systems known to the CPU
W#16#0190: Information of one DP master system
W#16#0F90: SSL partial list header information only
INDEX For the partial list extract with the SSL-ID W#16#0190:
Low Byte: B#16#00
High Byte: DP master system ID
For the partial list extracts with the SSL-IDs W#16#0090 and W#16#0F90:
W#16#0000
LENTHDR W#16#000E: A data record is 7 words long (14 bytes)
N_DR Number of data records
For the partial list extract with the SSL-ID W#16#0190:
0 to 1
For the partial list extract with the SSL-ID W#16#0090:
-
with a standard CPU:
0 to 14
-
with a H system:
0 to 12 (in all system states except redundant)
0 to 2 x 12 (in redundant system state)