Allen-Bradley 1440-SDM02-01RA, Руководство пользователя, Страница: 127 / 168

Rockwell Automation Publication 1440-UM001D-EN-P - September 2016 125
CIP Objects Appendix B
Services
Connection Object
(Class ID 05H) The Connection Object allocates and manages the internal resources that are
associated with both I/O and Explicit Messaging Connections.
Class Attributes
The Connection Object provides no class attributes.
Instances
Table 44 - Assembly Object Services
Service Code Class/Instance Usage Name
0E
h
Class/Instance Get_Attribute_Single
10
h
Instance Set_Attribute_Single
08
h
Class Create
09
h
Instance Delete
Table 45 - Connection Object Instances
Instance Description
1 Explicit Message Connection for pre-defined connection set
2 I/O Poll Connection
3 I/O Strobe Connection
4 I/O COS (change of state) Connection
11…17 Explicit Message Connection