Technical data

Meaning of the bits
Bit coding Meaning
0 Station does not exist or there are no new diagnostic data .
1 There are new diagnostic data .
All the bits of the DP slave stations for which there are no new diagnos-
tic data or which are not configured and all the passive stations are
identified by "0" in the diagnostic list.
If there are new diagnostic data from a DP station, the DP station diag-
nostic bit is set to "1".
When the DP station is first initialized, the DP diagnostic bit is set to
zero.
The new diagnostic data reported by the slave can be requested from
the slave using the function "single diagnostics".
➣
Read out DP slave single diagnostics
With this function, further diagnostic data about the specific slave can
be requested.
The information provided consists of the following:
The general DP slave diagnostic data:
– Station status 1 - 3
– Master address (address of the DP-master (class 1), which
assigned parameters to the DP slave).
– Vendor ID of the DP slave.
Distributed I/Os (DP) B89060/02
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