Rockwell Automation Publication 1444-UM001D-EN-P - June 2018 385
CIP Objects Appendix A
7 Get V Alarm Overall (High Resolution)
Data Records
UINT Returns the number of overall data
records (at the fast update rate)
that the buffer currently holds.
Fixed depth: 320
8 Get V Alarm Overall (Low Resolution)
Data Records
UINT Returns the number of (low
resolution) overall data records
that the buffer currently holds.
Fixed depth: 640
9 Get V Alarm Dynamic Data Records UINT Returns the number of dynamic
data records that the buffer
currently holds.
Fixed depth: 64
Update Rates Group of 3 configuration attributes
17 Get NV Trend Overall Update Multiplier INT The rate at which Trend Overall
data records are stored, based on
the fast update rate.
Multiples of 100 ms
Default of 10
Range: 1…32767
18 Get NV Trend Dynamic Update Multiplier DINT The rate at which Trend Dynamic
data records are stored, based on
the fast update rate.
Multiples of 100 ms
Default of 100
Range: 10…327670
19 Get NV Alarm Overall Update Multiplier INT Defines overall record update rate
for use in alarm storage, which is
based on the fast update rate.
Equal to Attribute 17
Range: 1…32767
Trend Data Storage A configuration attribute
24 Get V Trend Data-Set Enable BYTE Activate Trend Storage on a per
channel basis
Bit enabled control. See “Trend Data-Set
Enable” under Attribute Semantics.
Alarm Data Storage Group of 5 configuration attributes
32 Get V Alarm Data Storage Trigger
Source
SINT Reference to Voted Alarm Object,
including OFF option.
33 Get V Alarm Data Storage Latching SINT If latching, the alarm data buffer
does not update on subsequent
alarm excursions unless the latch
has been reset.
0: Not latching
1: Latching
34 Get V Alarm % Post Trigger for the
High Resolution
(100 ms) Overall Records
SINT Overall, post-trigger setting for the
100 ms update rate - set in eighths
of the total buffer length
Range: 0…8
Default: 2 (25%)
(80 / 320 records)
35 Get V Alarm % Post Trigger for the Low
Resolution (Configured Rate)
Overall Records
SINT Overall, post-trigger setting for the
user configured update rate - set in
eighths of the total buffer length
Range: 0…8
Default: 2 (25%)
(160 / 640 records)
36 Get V Alarm % Post Trigger for
Dynamic Data Records (10x
Configured Overall Rate)
SINT Overall, post-trigger setting for the
dynamic data records - set in
eighths of the total buffer length
Range: 0…8
Default: 2 (25%)
(16 / 64 records)
Static Data Source A group of 4 DWORDs where each bit indicates whether that measurement is included or not.
48 Get V DWORD 0 DWORD Range: 0…4294967295
49 Get V DWORD 1 DWORD Range: 0…4294967295
50 Get V DWORD 2 DWORD Range: 0…4294967295
51 Get V DWORD 3 DWORD DWORD 3 is only partially
populated with measurements,
hence the lower range.
Range: 0…1023
Table 113 - Instance Attributes (continued)
Attribute ID Access
Rule
NV Name Data Type Description of Attribute Semantics of Values
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