Chapter 9 Ethernet Specification and Operation
9-49
Attribute Name
Access
Rule
Data Type Values Description
H’07 Close Other Rejects Get STRING
H’0
Number of Forward Close service
requests that were rejected for
reasons other than bad format.
H’08 Connection Timeouts Get UINT
H’0
Total number of connection
timeouts that have occurred in
connections controlled by this
Connection Manager.
9.7.7 Port Object (Class ID: F4 Hex)
This section describes the communication interfaces that are present on the device and visible to CIP, including USB,
EtherNet/IP and more.
Service Code
Service
Code
Service Name
Support
Description
Class Attribute Instance Attribute
H’01 Get_Attributes_All X V
Returns a predefined listing of this
objects’ attributes
H’0E Set_Attribute_Single V V
Returns the contents of the
specified attribute.
Class
Class ID：H’F4
Instance
H’00：Class Attribute
H’01：Instance Attribute
H’N: Instance #N Attribute, the number of the Ethernet port
When Instance = 0, the Class Attributes are listed below.
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