Acknowledge handler object (class id 2bh), Class attributes, Instances – Rockwell Automation 1440-SPD02-01RB XM-220 Dual Speed Module User Manual
Page 105: Instance attributes, Services, Acknowledge handler object (class id 2b, Instance attributes services

Publication GMSI10-UM004B-EN-P - May 2010
DeviceNet Objects 97
Acknowledge Handler
Object
(Class ID 2B
H
)
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 a single 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
Services
Table C.26 Acknowledge Handler Object Instance Attributes
Attr ID
Access
Rule
Name
Data Type
Default Value
1
Get/Set
Acknowledge Timer
UINT
16ms
2
Get/Set
Retry Limit
USINT
1
3
Get
COS Producing
Connection Instance
UINT
4
Table C.27 Acknowledge Handler Object Services
Service
Code
Class/Instance Usage
Name
0E
h
Instance
Get_Attribute_Single
10
h
Instance
Set_Attribute_Single