Services, Acknowledge handler object (class id 2bh), Class attributes – Rockwell Automation 1440-RMA00-04RC XM-440 Master Relay Module User Manual
Page 81: Acknowledge handler object (class id 2b
 
Rockwell Automation Publication GMSI10-UM009D-EN-P - June 2011
DeviceNet Objects 81
Services
1
Attributes can only be set while the device is in Program Mode. See the description of the Device Mode Object 
for more information.
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.
4
Get
Descriptor
WORD
Description of Parameter
Bit 0 Settable Path support
Bit 1 Enum Strings support
Bit 2 Scaling support
Bit 3 Scaling Links support
Bit 4 Read only
Bit 5 Monitor
Bit 6 Ext. Prec. scaling
5
Get
Data Type
EPATH
Data Type Code
See DeviceNet Specification 
Volume 1 Appendix J.
6
Get
Data Size
USINT
Number of Bytes in 
Parameter value.
Table C.16 Parameter Object Instance Attributes
Attr ID
Access 
Rule
Name Data
Type
Description
Semantics
Table C.17 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