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3.9. Acknowledge Handler Object
Class code 0x2B. This object is used to manage the reception of message acknowledgements. This object
communicates with a message producing Application Object within a device.
3.9.1. Acknowledge Handler Object Class Attributes
Attribute
ID
Name
Data
Type
Access
Rules
Description
Default
Value
1 Revision
UINT Get
Revision of this object
1
2 Max
instance
UINT Get
Maximum instance number of an object
currently created in this class level of
the device
1
3.9.2. Acknowledge Handler Object Instance Attributes
Attribute
ID
Name
Data
Type
Access
Rules
Description
Default
Value
1 Acknowledge
timer
UINT Get/Set
Time to wait for acknowledge before
resending
(16)
2 Retry
limit
USINT Get/Set
Number of Ack Timeouts to wait before
informing the producing application of a
RetryLimit Reached event.
1
3
COS producing connection
instance
UINT
Get
Connection Instance which contains the
path of the producing I/O application
object which will be notified of Ack
Handler events.
(Connection
Instance ID)
3.9.3. Acknowledge Handler Object Common Services
Supported
Service
Code
Service Name
Class
Instance
Description of Service
0x0E Get_Attribute_Single
Yes
Yes
Returns the contents of the specified attribute.
0x10 Set_Attribute_Single
N/A
Yes
Modifies the value of the specified attribute.
3.9.4. Acknowledge Handler Object Specific Services
Acknowledge Handler Object provides no object specific services.
