AS Series Operation Manual 
 
9-78 
9.8.7 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.   
Class 
Attribute 
Name 
Access 
Rule 
Data Type  Values  Description 
H’01  Revision  Get  UINT 
1 
Revision of this object 
H’02  Max Instance  Get  UINT 
1 
Maximum instance number of this 
object 
H’03  Number of Instance  Get  UINT 
1 
Number of object instances 
currently created at this class level 
of the device 
H’08  Entry Port  Get  UINT 
1 
Communication port for EtherNet/IP 
H’09  Port Instance Info  Get 
ARRAY of 
STRUCT of 
-- 
Port Instance information: Port Type 
+ Port Number