
5 DP Diagnostics from the User Program of a SIMATIC S7−300
A−116
S7-CPs for PROFIBUS Configuring and Commissioning
Release 09/2011
C79000−G8976−C181−05
Table 5-1 Meaning of the DPSTATUS Bits Relevant for Diagnostics (extract from Table 5-1
in /6/)
Bit Meaning
2 0: no new diagnostic data exist
1: evaluation of DP diagnostic list useful; at least one station has new
diagnostic data
1 0: all DP slaves in the data transfer phase
1: evaluation of the DP station list useful
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