Technical data

Table Of Contents
Organization Blocks
System Software for S7-300/400 System and Standard Functions - Volume 1/2
1-24
A5E00709327-01
The variables that depend on the error code have the following significance:
Error code Bit Meaning
B#16#A2
- OB70_INFO_1:
- OB70_INFO_2:
- OB70_INFO_3:
0 to 7:
8 to 15:
Logical base address of the affected DP master
Reserved
Reserved
DP master system ID of the affected DP master
B#16#A3
- OB70_INFO_1:
- OB70_INFO_2:
- OB70_INFO_3
0 to 14:
15:
0 to 7:
8 to 15:
Logical base address of the DP master
Affected DP Slave:
Logical base address, if an S7 slave is used, or diagnostic
address if a DP norm slave is used.
I/O identification
Affected DP slave:
Number of the DP station
DP master system ID
Note
If you are using a DPV1 capable CPU you can obtain additional information on the
interrupt with the help of SFB54 "RALRM" which exceeds the start information of
the OB. This also applies when you operate the DP Master in S7 compatible mode.