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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
0
1
2
3
4
5
6
7
Type
Overall
Dynamic
Channel
0
1
2
3
0
1
2
3
Bits
Description
0
OFF
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