Instruction Manual

Publication GMSI10-UM005C-EN-P - May 2010
98 DeviceNet Objects
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.
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
Table C.27 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
Table C.28 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