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Technical features
D301171 - IO-Link master 1108
3-12
Diagnostic messages/ status messages via software
The diagnosis telegram of the IO-Link master SDPX-IOL4-0001 contains the following types
of diagnostic messages:
Table 9:
Diagnostics for
the SDPX
Length
Remark
DP standard diagnosis
5 byte
Channel specific diagnosis
3 byte
Standard PROFIBUS-DP error-codes (see
Per channel
, which sends diagnostics.
If multiple channels send a channel specific
diagnostic messages, for each channel 3
bytes are sent successively.
Device specific diagnosis,
IOLMM-diagnosis
5 byte
Diagnostics which affect the whole module
(undervoltage, overvoltage), but which are
displayed at the IOLMM (slot 1).
Device specific diagnosis,
event-diagnosis, see also
8 byte
Event messages from the IO-Link devices at
ports 1 to 4.
Per channel.
If multiple devices send device
specific diagnostic messages, 8 byte are send
for each IO-Link device successively.