SIOL-EI8B-USER-M
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Explanation of the process data
B.2. IO-Link Port X Status
IO-Link Port X Status
Byte
Description
Value
0–1
IO-Link Data Status
Bit 0–4: reserved
Bit 5:
DevCom, is set when a device is detected and is in the PREOPERATE
or OPERATE state. It is reset if no device is present.
Bit 6:
DevErr, is set when an error or warning has occurred that is assigned to
either a device or a port. It is reset when there is no error or warning.
Bit 7:
PQ, is set when valid process data is exchanged between master and
device. It is reset if the process data is not valid.
2–3
Vendor ID of connected IO-Link device
4–7
Device ID of connected IO-Link device
B.3.
Diagnostic Buffer
The diagnostic buffer consists of an array of diagnostic structures and has a length of 8 structures. A
diagnostic structure has the size of 8 bytes. The total length of the diagnostic buffer is 64 bytes.
For further information on a diagnostic structure, please refer to
Section 9.2.3.7, “IO-Link device diagnostic”.
B.4. Digital Output
The order of the digital output data depends on the configuration parameter “Pin_Port_based_IO_Lay
-
out”. See Section B.1, “Digital Input”.
