Parameterizing and Configuring
IO-Link functions for acyclic communication
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Subindex 68: Master Port Scan Configuration
The object reads the configuration of the IO-Link devices connected to the IO-Link master.
28 byte are returned per IO-Link port.
Entity_Port IO-Link sub index Read/write Length
0 68 Read Max. 120 byte
Structure of the response telegram:
IO-Link port Content Length Format Description
Port 1 Vendor ID 2 byte UINT16 Vendor ID of the connected
device
Device ID 4 byte UINT32 Device ID of the connected
device
Function ID 2 byte UINT16 reserved
Serial Number 16 byte UINT8 Serial number of the connected
device
COM_Revision 1 byte UINT8 IO-Link version
Proc_In_Length 1 byte UINT8 Process input data length of the
connected device
Proc_Out_Length 1 byte UINT8 Process output data length of
the connected device
Cycle time 1 byte UINT8 Cycle time of the connected
device
Port 2…port
4
Structure similar to port 1
Subindex 69: Extended Port Diagnostics
The object reads the Extended Port Diagnostics.
Entity_Port IO-Link sub index Read/write Length
0 68 Read Max. 120 byte
Structure of the Extended Port Diagnostics:
Byte no. Bit no.
7 6 5 4 3 2 1 0
0 NO_SIO TCYC - - DS_F NO_DS - -
1 - WD MD PDI_H - - NO_PD
2 - - - - - - - -
3 Device status according to IO-Link specification
Diagnostic bit Meaning
NO_DS The parameterized port mode does not support data storage.
Remedy:
n Change the parameterization of the port.
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