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Rockwell Automation Publication 1440-UM001D-EN-P - September 2016 135
CIP Objects Appendix B
Services
Acknowledge Handler
Object (Class ID 2BH) The Acknowledge Handler Object is used to manage the reception of message
acknowledgments. This object communicates with a message producing
Application Object within a device. The Acknowledge Handler Object
notifies the producing application of acknowledge reception, acknowledge
timeouts, and production retry limit errors.
Class Attributes
The Acknowledge Handler Object provides no class attributes.
Instances
A module provides only one instance (instance 1) of the Acknowledge Handler
Object. This instance is associated with instance 4 of the Connection Object,
the slave COS connection to a higher level master.
Instance Attributes
Table 58 - Parameter Object Services
Service
Code Class/Instance Usage Name Description
0E
h
Class/Instance Get_Attribute_Single Returns the contents of the
specified attribute.
10
h
Class Set_Attribute_Single Sets the contents of the
specified attribute.
(1)
(1) Attributes can only be set while the device is in Program mode. See the description of the Device Mode Object for more
information.
Table 59 - Acknowledge Handler Object Instance Attributes
Attribute ID Access Rule Name Data Type Default Value
1 Get/Set Acknowledge Timer UINT 16 ms
2 Get/Set Retry Limit USINT 1
3 Get COS Producing
Connection Instance UINT 4