Rockwell Automation Logix5000 Controllers Controller Information and Status Programming Manual - Manual (Page 50)

Chapter 4 Change detection
access data using an MSG instruction, refer to the Logix5000 Controllers
Messages Programming Manual , publication 1756-PM012 .
Use these settings to read the Audit Value attribute using the Message
Configuration.
If you want to Get AuditValue in this
property
Type or select
Message Type CIP Generic
Service Type Audit Value Get
Source Leave blank
Destination tag_name of type DINT[2] or LINT 1
This tag contains the AuditValue for the controller.
ChangesToDetect Format
Bit number Event description
0 Project stored to removable media
1 Online edits modified controller program
2 Transaction committed. Indicates that a batch of one or more changes has been applied to the
controller. For example, this might happen when a routine is imported online or when a module
configuration is changed online.
3 SFC forces enabled
4 SFC forces disabled
5 SFC forces removed
6 SFC element force value changed
7 I/O forces enabled
8 I/O forces disabled
9 I/O forces removed
10 I/O forces modified
11 Firmware update attempted
12 Firmware update from removable media attempted
13 Remote mode change
14 Keyswitch mode change
15 A major fault occurred
16 All major faults cleared
17 All major faults cleared through keyswitch
18 Task properties modified
19 Program properties modified
20 Controller time slice modified
21 Removable media removed
50 Rockwell Automation Publication 1756-PM015F-EN-P – October 2014