Rockwell Automation Publication 193-UM012B-EN-P - June 2011 87
Appendix B
The following common services are implemented for the Discrete Output Point
Object:
Parameter Object — CLASS CODE 0x0F
The following class attributes are supported for the Parameter Object:
The following instance attributes are implemented for all parameter attributes:
Table 30 - Discrete Output Object Common Services
Service
Code
Implemented for: Service Name
Class Instance
0x0E Yes Yes Get Attribute Single
0x10 No Yes Set Attribute Single
Table 31 - Parameter Object Class Attributes
Attribute ID Access Rule Name Data Type Value
1 Get Revision UINT 0x0001
2 Get Max Instance UINT 0x0029
8 Get Parameter Class Descriptor WORD 0x000B
9 Get Configuration Assembly Instance UINT 0x0078
10 Get Native Language UINT 0x01=English
Table 32 - Parameter Object Instance Attributes
Attribute ID Access Rule Name Data Type Value
1 Get/Set Value Specified in Descriptor N/A
2 Get Link Path Size USINT N/A
3 Get Link Path Packed EPATH: Path to specified object attribute
4 Get Descriptor WORD Parameter Dependent
5 Get Data Type EPATH Parameter Dependent
6 Get Data Size USINT Parameter Dependent
7 Get Parameter Name String SHORT_STRING Parameter Dependent
8 Get Units String SHORT_STRING Parameter Dependent
9 Get Help String SHORT_STRING Parameter Dependent
10 Get Minimum Value Specified in Descriptor Parameter Dependent
11 Get Maximum Value Specified in Descriptor Parameter Dependent
12 Get Default Value Specified in Descriptor Parameter Dependent
13 Get Scaling Multiplier UINT 1
14 Get Scaling Divisor UINT 1
15 Get Scaling Base UINT 1
16 Get Scaling Offset INT 0
