Structure Of Slave Diagnostics - Siemens SIMATIC Compact FF Link Operating Instructions Manual

Alarm, error, and system messages
11.2 Diagnostics of the Compact FF Link
Diagnostic frame
In the above diagnostic events, relevant IDs are set in the DP diagnostic frame in the identifier-
related and module-specific ranges. In addition, swapping and diagnostic interrupts are
triggered. Details can be found in the following sections.
Further preparation of the diagnostics data is handled by means of the
Process Library" (APL) in the CPU. One module block per channel checks the quality code of
the channel and issues an interrupt if necessary.
You can read additional diagnostics data from the FF device using the diagnostic page of the
faceplate on the
Note
The diagnostics data of the FF devices can only be read using the Maintenance Station or
SIMATIC PDM .
If a new configuration is not compatible with the FF device version, the FF-device recognizes
neither the Compact FF Link nor the CPU. An active check is possible with
Additional information
For additional information, please refer to the
hardware"
For more information on reading out diagnostics information, refer to the Programming with
STEP 7 (http://support.automation.siemens.com/WW/view/en/18652056) manual.
See also
Structure of slave diagnostics (Page 64)
Reading out diagnostics from FF devices (Page 75)
Interrupts (Page 73)
11.2.1

Structure of slave diagnostics

Influencing factors
The structure of the slave diagnostics depends on whether the Compact FF Link is working in
S7 standard mode or redundancy mode on an S7-400H.
64
PCS 7 Maintenance Station.
STEP 7 online help topic "How to diagnose
Operating Instructions, 03/2015, A5E35651552-AA
PCS 7 "Advanced
SIMATIC PDM .
Compact FF Link