Siemens SIMATIC ET 200SP Manual page 27

PortQualifierInformation (PQI)
You can activate the PortQualifierInfortion (PQI) for your IO-Link master, firmware version
V2.2 or higher.
Note
PortQualifierInformation (PQI)
If you have activated the PortQualifierInformation (PQI), these are always transferred with
the size 1 byte together with the input data of the IO-Link device.
The following figure shows the structure of the PQI byte.
Activate a parameter by setting the corresponding bit to "1".
Figure 4-1
Reference
For more information, please refer to the IO-Link system
(http://support.automation.siemens.com/WW/view/en/65949252) function manual.
Communication module IO-Link Master CM 4xIO-Link (6ES7137-6BD00-0BA0)
Manual, 10/2017, A5E03856846-AD
Structure of the PQI byte
Parameters/address space
4.3 Address space
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