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Appendix A
CIP Objects
386
Attribute Semantics
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
Within each section:
Value
0x00
0x01
0x02
0x03
0x04
Example 0x4444 is all buffers have latched alarm data available.
Trend Data-Set Enable
Bit
0
1
Type
Overall
Channel
0
1
Alarm Data Storage Trigger Source
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
0x00 disables any automatic storage function that is based on an alarm status.
Rockwell Automation Publication 1444-UM001D-EN-P - June 2018
Description
AB_STATUS_DISABLED (buffer/data type not being captured)
AB_STATUS_ARMED (waiting for alarm event trigger)
AB_STATUS_POPULATING (alarm event in progress)
AB_STATUS_DATA_READY (alarm data available)
AB_STATUS_LATCHED (as 0x03 but data is latched until reset)
2
3
4
Dynamic
2
3
0
5
6
7
1
2
3
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