Commissioning
Commissioning the device in EtherNet/IP™
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Read_ISDU - Request
Data Value/Content Description
Class 0x67 IO-Link Parameter Object
Instance 0x01 Addressing the IO-Link master
Instance attribute 0x01…n, 128 IO-Link port number, or 128 for Port-0 functions
Service code 0x4B Read_ISDU
Data Request Parameters for the ISDU Read Service
Name Data type Description
Data byte 0 Index (LSB) UINT LSB from index of the IO-Link ISDU object
acc. to IODD
Data byte 1 Index (MSB) UINT MSB from index of the IO-Link ISDU object
acc. to IODD
Data byte 2 Sub index USINT Sub index from the IO-Link ISDU object
acc. to IODD
Read_ISDU – Response
n CIP Service Response, General-Status ≠ 0 Ò error-free access
structure of the response:
Name Data type Description
ISDU data Array of Byte Read data, max. 232 byte
n CIP Service Response, General-Status ≠ 0 Ò access error
structure of the response:
Name Data type Description
IOL_Master Error UINT IO-Link master specific, see IO-
Link master Error Codes
IOL_Device Error UINT IO-Link device specific, see IO-
Link device Error Codes and
device documentation
Example:
Read access – name of device at port 4 is read out
Data Value/content Description
Class 0x67 IO-Link Parameter Object
Instance 0x01 Addressing the IO-Link master
Instance attribute 0x04 IO-Link port number
Service code 0x4B Read_ISDU: read access
Data Request Parameters for the ISDU Read Service
Name Data type Description
Data byte 0 0x12 UINT Index for the product name in the device
(e.g. Turck I/O hub TBIL-M1-16DXP) ac-
cording to IODD
Data byte 1 0x00 UINT -
Data byte 2 0x00 USINT The index has no sub index.
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