Request Paths (IOIs) to Specify Objects
When you specify an object, specify the request path (IOI) for each service code as given below.
Service code
Class
ID
Instance ID Attribute ID
01 hex Get_Attribute_All F5 hex
• Specifying a service for a class: 00
hex
• Specifying a service for an in-
stance: 01 hex
Not required.
0E hex Get_Attribute_Single
• Reading a class attribute: 01
or 03 hex
• Reading and writing an in-
stance attribute: 01 to 06 hex
10 hex Set_Attribute_Single
8-5-5
Ethernet Link Object (Class ID: F6 hex)
This object is used to set and read Ethernet communications and read Ethernet communications sta-
tus information.
For an NX701 CPU Unit and NX102 CPU Unit, it is necessary to use the route path of the CIP commu-
nications command (the RoutePath in-out variable) to specify the port number (1 or 2) of the built-in
EtherNet/IP port to access.
Service Codes
Specify the service to execute with the service code.
Service
code
Parameter name Description
Supported
service range
Class Instance
0E hex Get_Attribute_Single Reads the value of the specified attribute.
Support-
ed
Support-
ed
10 hex Set_Attribute_Single Writes a value to the specified attribute.
Support-
ed
Support-
ed
4C hex Get_and_Clear Specify Attribute4 or Attribute5 to reset the value of the
attribute to 0.
Not sup-
ported
Support-
ed
Class ID
Specify F6 hex.
Instance ID
Specify 00 or 01 hex.
00: Specify the class
01: Built-in EtherNet/IP port
Attribute ID
The attribute ID specifies the information to read.
8 CIP Message Communications
8-75
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
8-5 CIP Object Services
8
8-5-5 Ethernet Link Object (Class ID: F6 hex)
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