IFM Electronic AL1900 - Page 73

73
ifm Device Manual IO-Link Master with PROFINET interface CabinetLine 8 Ports IP 20 (AL1900) 05 / 2018
Appendix PROFINET
>
PQI (Port Qualifier Information)
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Port Qualifier Information (PQI) contains diagnostic information about the IO-Link port. In addition to
the process data, the IO-Link master sends the PQI to the PROFINET controller.
Bit
7
6
5
4
3
2
1
0
PQ
DE
DA
--
--
--
DI2
DI4
Legend:
 [DI4]
Signal status of the digital input on clamp 4 (DI)
FALSE
OFF
TRUE
ON
 [DI2]
Signal status of the digital input on clamp 2 (if used)
FALSE
OFF
TRUE
ON
 [DA]
Device Available: shows if the IO-Link device has been recognised and if the
device is in the "preoperate" or in the "operate" state
FALSE
no device
TRUE
device detected
 [DE]
Device Error: shows if an error or a warning occurred; Note: The user needs to
determine the cause of the fault separately via acyclic services.
FALSE
no error
TRUE
error detected
 [PQ]
Port Qualifier: shows if IO data is valid
FALSE
invalid
TRUE
valid