Siemens SIMATIC ET 200eco PN M12-L - Page 27

Parameters/address space
4.3 Address space
Communication module CM 8x IO-Link + DI 4x24VDC M12-L (6ES7148-6JG00-0BB0
26 Equipment Manual, 09/2020, A5E49284833-AA
Port Qualifier Information (PQI)
Note
Port Qualifier Information (PQI)
The Port Qualifier Information (PQI) with the size 1 byte is always transmitted together with
the input data of the IO-Link device. The PQI cannot be deactivated.
Description
Value
Meaning
Bit0
-
-
Reserved
Bit1
-
-
Reserved
Bit2
NewPar*
0
No update of the device parameters detected
1
Device parameter update detected
Bit3
SubstDev*
0
No backup device detected (identical serial number)
1
Backup device detected (different serial number)
Bit4
PortActive
0
Port disabled
1
Port enabled
Bit5
DevCom
0
IO-Link device is not available
1
IO-Link device is in the "Preoperate" or "Operate" state
Bit6
DevErr
0
No error
1
An error or warning has occurred.
Bit7
PQ
0
The data of the IO-Link device is valid
1
The data of the IO-Link device is valid
* Bits are reset with function block "IO_LINK_MASTER_8"
Figure 4-1 Structure of the PQI byte
Reference
For more information, please refer to the IO-Link system
(http://support.automation.siemens.com/WW/view/en/65949252) function manual.