Chapter 8 CIP Object
8-11
8.5.2 AHRTU-ETHN-5A
It binds attributes of multiple objects, which allows data to or from each object to be sent or received over a single
connection and can be used to bind input data or output data.
Service Code
Service
Code
Service Name
Support
Description
Class Attribute Instance Attribute
16#0E Get_Attribute_Single V V Read a single attribute
16#10 Set_Attribute_Single X V Edit a single attribute
Class
Class ID:16#04
Instance
16#00:Class Attribute
16#64:RTU IO Owner Output
16#65:RTU IO Owner Input, RTU IO Listen only Input
16#80:RTU IO Owner Configuration
16#C7:RTU IO Listen only Output
When Instance = 0, the Class Attributes are listed below.
Class
Attribute
Name
Access
Rule
Data Type Values Description
16#01 Revision Get UINT 16#2
Revision of this object
16#02 Max Instance Get UINT 16#C7
The max. number of Instances
When Instance = 16#64, 16#65, 16#80, the Instance Attributes are listed below.
Class
Attribute
Name
Access
Rule
Data Type Values Description
16#03 Data Get/Set
BYTE
-- IO Connection Data
I/O Message Connection
I/O Message Connection
Connection No. Function Instance Length
RTU IO Owner
Input 16#65 32~500 bytes
Output 16#64 32~500 bytes
Configuration 16#80 168 bytes
RTU IO Listen only
Input 16#65 32~500 bytes
Output 16#C7 0 bytes