Rockwell Automation Publication 290E-UM001B-EN-P - June 2012 207
CIP Information Appendix B
Eight instances of the Discrete Output Point Object are supported for DOL/
Reverser (Bulletin 290E/291E) units. Ten instances are supported for Drive
(Bulletin 294E) units. The following table summarizes the DOP (Bulletin 290E/
291E) instances:
All instances contain the following attribute:
The following common services will be implemented for the Discrete Output
Point Object:
Discrete Output Point Object Special Requirements
There are many sources that can affect an output point's value: an I/O message,
an explicit message, local logic, network fault and idle conditions, and protection
fault conditions. An output point must know how to select which source of data
to use to drive its value attribute.
Instance Name Alternate Mapping Description
1 Run Fwd Output 0029-01-03 Run Forward output.
2 Run Rev Output 0029-01-04 Run Reverse output.
3User Output A None
These are the six ArmorStart LT user outputs for all starter types. Their fault/
idle behavior is defined in DOP Instance 3.
4User Output B None
5User Output C None
6User Output D None
7User Output E None
8User Output F None
9Drive Jog Fwd None
This instances exists for Inverter (Bulletin 294E) units only.
10 Drive Jog Rev None
Attribute ID Access Rule Name Data Type Value
3 Get Value BOOL 0 = OFF, 1 = ON
Service Code
Implemented for:
Service NameClass Instance
0x0E Yes Yes Get_Attribute_Single
0x10 No Yes Set_Attribute_Single
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