Diagnosis
127/154
11.3 Diagnosis over IO-Link
11.3.1
Event Qualifier
The Event Qualifier is a bit-coded information about the event.
Mode
Type
Source
Instance
Bit 7
Bit 0
Bit 3
Bit 4
Bit 5
Bit 6
Bit 2
Bit 1
Figure 47: Event Qualifier
Bit
Name
Description
Bit 6–7
Mode
0: reserved
1: Event single shot
2: Event disappears
3: Event appears
Bit 4–5
Type
0: reserved
1: Notification
2: Warning
3: Error
Bit 3
Source
0: Device (remote)
1: Master/Port
Bit 0–2
Instance
0: unknown
1–3: reserved
4: Application
5–7: reserved
Table 92: Event Qualifier
11.3.2
IO-Link Wireless Master Event Codes
Event code
Description
Type
Remedy
0x0000
No malfunction
Notification
No action required
0xFF21
Communication to Wireless Device (IO-Link
Device is connected to Bridge)
Event
No action required
0xFF22
Communication loss to IO-Link Device (IO-
Link Device is disconnected from Bridge)
Error
Check connection from IO-Link
Device to the Bridge
0xFFB1
Max Retry error, indicating a packet loss
The W-Master cannot send a message to W-
Device after MaxRetry attempts.
This error indicates that one packet failed to
be transmitted successfully. This can be for
example the result of a noisy environment
(RF-wise). It affects the PER (Packet Error
Ratio) of the system.
Error
An excessive
check of the system configuration
(ranges, operating channels, etc.).
0xFFB2
IMA timeout
The W-Master did not receive a message from
the connected W-Device within the IMA
timeout. This error indicates that the IOLW
connection failed. Possibly this leads to
"Communication loss" 0xFF22.
Error
Check connection from IO-Link
Device to the Bridge
Table 93: IO-Link Wireless Master Event Codes
NFD-3090-EIS-IOLM\W | Hardware, installation and commissioning
DOC200701UM02EN | Revision 2 | English | 2021-08 | Released | Public
© Hilscher 2020 - 2021
