386 Rockwell Automation Publication 1444-UM001D-EN-P - June 2018
Appendix A CIP Objects
Attribute Semantics
Within each section:
Example 0x4444 is all buffers have latched alarm data available.
Trend Data-Set Enable
Alarm Data Storage Trigger Source
0x00 disables any automatic storage function that is based on an alarm status.
Table 114 - Alarm Data-set Status
Bits Description
0…3 Low-Resolution Overall Buffer
4…7 High-Resolution Overall Buffer
8…11 FFT Dynamic Data
12…15 TWF Dynamic Data
Value Description
0x00 AB_STATUS_DISABLED (buffer/data type not being captured)
0x01 AB_STATUS_ARMED (waiting for alarm event trigger)
0x02 AB_STATUS_POPULATING (alarm event in progress)
0x03 AB_STATUS_DATA_READY (alarm data available)
0x04 AB_STATUS_LATCHED (as 0x03 but data is latched until reset)
Bit 01234567
Type Overall Dynamic
Channel 01230123
Bits Description
0OFF
1…13 Voted alarm instance 1…13, output type: Alert
14 Any Alert
15…16 Reserved
17…29 Voted alarm instance 1…13, output type: Danger
30 Any Danger
31…32 Reserved
33…45 Voted alarm instance 1…13, output type: TX OK
46 Any TX OK (TX Fail)
47…48 Reserved
49 Any Voted Alarm Output
Higher values Reserved
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