98 Appendix
WAGO-I/O-SYSTEM
750
750-657 IO-Link Master
Manual
Version 1.0.2, valid from FW/HW-Version 02/01
Pos: 93 /Serie 750 (WAGO-I/O-SYSTEM)/Feldbuskommunikation/IO-Link/Mailbox-Kommunikation 750-0657 - Teil 3 (Diagnosedienst „IOL_DIAG“ und "Kom. ü. zyklischen Dienst") @ 10\mod_1312367476913_21.doc @ 75723 @ 434 @ 1
11.1.2.2 Diagnostic service "IOL_DIAG"
The "IOL_DIAG" service is identified by Mailbox Protocol ID 2. The data is
automatically sent from the I/O module when an event occurs.
Telegram structure:
Table 65: Diagnostic telegram
Byte
0
1 2 3
4
5
Content
Serv
ice ID
Seque
nce
ID
Eve
nt Code
C
ha
nnel
N
um
ber
Ev
en
t Qu
alifier
A diagnostic message looks as follows:
Figure 38: Telegram structure for IO-Link events
More information about the diagnosis is available in section "Diagnosis" >
"Diagnosis via the Mailbox" > "Diagnostics Telegram".
Mailbox 2.0 message
10 LEN_HI LEN_LO
Protocol_ID=2
Payload byte 1..N
Service_ID Sequence_ID EventCode Channel EventQualifier