Omron CJ1W-EIP21 Operation Manuals page 244

8 Message Communications
(2) Software Switch Details
Bit Name
0 Auto-negotiate
1 ForcedDuplex Mode
2 to 16 Reserved
 Service Codes
Specify the service to execute with the service code.
Service
Parameter name
code
0E hex Get_Attribute_Single
10 hex Set_Attribute_Single
4C hex Get_and_Clear
 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
0E hex Get_Attribute_Single
10 hex Set_Attribute_Single
4C hex Get_and_Clear
8-38
FALSE: Auto-negotiation is disabled (communications setup is always set to 10 Mbps).
TRUE: Auto-negotiation is enabled (communications setup is automatically set to 100
or 10 Mbps).
FALSE: Half duplex
TRUE: Full duplex
* When auto-negotiation is enabled (bit 0 is TRUE), this should always be FALSE.
Always FALSE
Description
Reads the value of the specified attribute.
Writes a value to the specified attribute.
Specify Attribute4 or Attribute5 to reset the value of the attribute to 0.
Class ID Instance ID
F6 hex • Specifying a service for a class: 00 hex
• Specifying a service for an instance:
Always 01 hex
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
Description
Supported services
Classes
Supported.
Supported.
Not sup-
ported.
Attribute ID
Not required.
• Reading a class attribute: 01 or 02
hex
• Reading and writing an instance
attribute: 01 to 06 hex
Specify an attribute to reset its value
to 0: 01 to 05 hex
Instances
Supported.
Supported.
Supported.