
Rockwell Automation Publication 193-UM011A-EN-P - September 2010 133
DeviceNet Information Appendix B
Discrete Input Point Object
– Class Code 0x08
The following class attributes are supported for the Discrete Input Object:
Multiple instances of the Discrete Input Object are supported, one instance for
each general purpose discrete input on the EC4 Current Monitoring Relay. All
instances will contain the following attributes:
The following common services will be implemented for the Discrete Input Point
Object:
Discrete Output Point
Object – Class Code 0x09
The following class attributes are supported for the Discrete Output Point
Object:
Table 39 - Connection Object Common Services
Service
Code
Implemented for: Service
Name
Class Instance
0x05 No Yes Reset (Connection Object
Only)
0x0E Yes Yes Get_Attribute_Single
0x10 No Yes Set_Attribute_Single
Table 40 - Discrete Input Point Object Class Attributes
Attribute ID Access Rule Name Data Type Value
1 Get Revision UINT 2
2 Get Max Instances UINT 2 or 4
Table 41 - Discrete Input Point Object Instance Attributes
Attribute ID Access
Rule
Name Data Type Value
3 Get Value BOOL Input Point Value. 0 = OFF; 1 =
ON
Table 42 - Discrete Input Point Object Common Services
Service
Code
Implemented for: Service
Name
Class Instance
0x0E Yes Yes Get_Attribute_Single
Table 43 - Discrete Output Point Object Class Attributes
Attribute ID Access Rule Name Data Type Value
1 Get Revision UINT 1
2 Get Max Instances UINT 1 or 2
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