Siemens Simatic S7-300 CPU 31xC Series User Manual

Debugging functions, diagnostics and troubleshooting
10.8 Diagnostics of PN CPUs
S7-300, CPU 31xC and CPU 31x: Installation
10-34 Operating Instructions, Edition 08/2004, A5E00105492-05
Structure of the interrupt data when a diagnostic interrupt is generated by SFB 75 on the intelligent
slave (after byte y+4)
%\W\H\
%\WH\
%\WH\
%\WH\
 

 
 
 
%\WH\




%LWQR
%LWQR
%LWQR
%LWQR
%LWQR
PRGXOH2.
PRGXOHHUURU
2EVHUYHWKHDSSOLFDWLRQ
GHVFULSWLRQIRU6)%
3OHDVHQRWHWKDWWKHGLDJQRVWLF
GDWDKDYHDIL[HGPHDQLQJ
ZLWKUHVSHFWWR6
)RUDGGLWLRQDOLQIRUPDWLRQVHH
WKHRQOLQHKHOSRI67(3RUWKH
V\VWHPVRIWZDUHUHIHUHQFHPDQXDO
IRU66\VWHPDQG
6WDQGDUG)XQFWLRQVFK'LDJQRVWLF'DWD

Figure 10-7 Bytes y+4 to y+7 for the diagnostic interrupt (SFB 75)
10.8 Diagnostics of PN CPUs
Diagnostics of field devices on PROFINET
For further information, refer to the PROFINET System Description and to the From
PROFIBUS DP to PROFINET IO
Programming Manual.

Siemens Simatic S7-300 CPU 31xC Series Specifications

General

Series	S7-300 CPU 31xC
Power Supply	24 V DC
Communication Interfaces	MPI, PROFIBUS DP
Programming Languages	LAD, STL, FBD, SCL
Operating Temperature	0°C to +60°C
Memory	48 KB - 512 KB
Dimensions	40 x 125 x 130 mm (varies by model)