IO-Link – Functions for Acyclic Communication
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4.1.2 Subindex 65: IO-Link Events
Structure of the read data:
Byte 0 contains 2 bit per IO-Link port which show, if the process data of the connected device are
valid or not.
Byte 0 is followed by 4 byte per Diagnostic Event which clearly assign and specify the diagnostic
message.
A maximum of 14 Events per
IO-Link port are shown.
Byte Bit
7 6 5 4 3 2 1 0
0 x PD_Valid input port 1
x PD_Valid output port 1
x PD_Valid input port 2
x PD_Valid output port 2
1 Qualifier Defines the type of the Event
(Wa
rning, Notification, Single
Shot Event, etc.) in accor-
dance with IO-Link specifica-
tion "IO-Link Interface and
System".
2 Port Indication of the IO-Link port
w
hich sends an Event.
3 Event Code high byte High or respectively low byte
of t
he Event Code sent.
4 Event Code low byte
...
222 Qualifier see byte 1 - 4
223 Port
224 Event Code high byte
225 Event Code low byte
Entity_
Port
IO-Link
subindex
Read
Write
Length Description
0 65 r 255 byte This object serves for reading the IO-Link
events.
NOTE
On "appears" (coming diagnostics) and "Single Shot Events" are shown, as long as they are
pending.
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