Comtrol IO-Link Master EIP-4 - Manual (Page 60)

60 - Chapter 3. EtherNet/IP CIP Object Definitions IO-Link Master EtherNet/IP Reference Manual: 2000589 Rev. A
Instance Attribute Definitions: Attribute 3-Request/Write Data
3.12.5. Instance Attribute Definitions: Attribute 3-Request/Write Data
Dependent on the instance number, this is either the PDI data block and/or the PDO data block.
3.12.6. Instance Attribute Definitions: Attribute 4-Data Length
This is the maximum data length for each Assembly instance.
3.12.7. Overview of Assembly Interface
The Assembly interface is designed to:
• Provide access to all Input and Output assemblies.
• Maximize flexibility for the PLC programmer.
• Minimize required PLC and IO-Link communication bandwidth.
• Be as easy to use as possible.
The following diagram illustrates the Assembly instances for a four port IO-Link Master. There is one
Assembly input and output instance assigned to each IO-Link port.