3. Diagnosti cs
3-11
Festo P.BE-CTEU-EC-OP+MAINT-EN en 1208NH
Index Sub-
index
Description Type Values Access
0x10F3 0 Diagnosis history RO
1 Maximum messages U8 20 RO
2 Newest message U8 RO
3 Newest acknowledged
message
U8 RW
4 New message available BOOL RO P
5 Flags U16 0x0000 RW
6…26 Subindex 006 … 026 BYTE[23] RO
Tab. 3/7: Structure of the diagnostics object
Diagnostics messages are written to a data buffer (20 bytes).
Two operating modes are available for handling diagnostics
messages:
Overwrite mode: When the number of diagnostics messages reaches 20, the
oldest diagnostics messages are overwritten.
Acknowledge mode: An existing diagnostics message must first be acknow l edged
before it can be overwritten with a new diagnostics message.
When the number of unconfirmed diagnostics messages
reaches 20, subsequent diagnosti cs messages will not be
saved and will be lost.
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