Auditvalue – Rockwell Automation Logix5000 Controllers Controller Information and Status Programming Manual User Manual
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Change detection Chapter 4
Tip: Rockwell recommends using the DINT[2] data type to avoid limitations when working with LINT data types in
Rockwell Automation controllers.
You can use the Message Configuration dialog box to read or write to the
ChangesToDetect attribute through CIP Generic Messages. For complete
information on how to access data using an MSG instruction, refer to the
publicatio
Use the following settings to configure the ChangesToDetect attribute using the
Message Configuration dialog box.
If you want to:
In this property
Type or select
Set controller events monitored
for changes
Message Type
CIP Generic
Service Type
Changes to Detect Set
Source
tag_name of type DINT[2] or LINT 1
This tag represents a bit mask of the changes monitored for
the controller.
Destination
Leave blank
Get controller events monitored
for changes
Message Type
CIP Generic
Service Type
Changes to Detect Get
Source
Leave blank
Destination
tag_name of type DINT[2] or LINT 1
This tag represents a bit mask of the changes monitored for
the controller.
AuditValue
Use the Get System Value (GSV) instruction to read the AuditValue attribute
programmatically.
You can use the Message Configuration dialog box to read the AuditValue
attribute through CIP Generic Messages. For complete information on how to
Rockwell Automation Publication 1756-PM015F-EN-P – October 2014
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