Rockwell Automation Publication 1444-UM001D-EN-P - June 2018 423
CIP Objects Appendix A
Table 154 - Class Attributes
Attribute ID Access Rule NV Name Data Type Description of Attribute Semantics of Values
1 Get NV Revision UINT Current object revision. Current revision.
8 Get V Enabled Instances STRUCT Bit-wise coding of enabled AC
measurement instances.
Decoding information.
BYTE Active instances for channels 0…3.
BYTE Reserved for full multiplexing.
BYTE Reserved for full multiplexing.
Table 155 - Instance Attributes
Attribute ID Access
Rule
NV Name Data Type Description of Attribute Semantics of Values
8 Get V Magnitude Value REAL A magnitude value from a choice of
detection methods (effectively
attributes 1…7), made
by configuration.
AC Overall Measurement Group of 8 configuration attributes.
16 Get V AC Overall Measurement Source SINT Source selection. Coding information
17 Get V AC Overall Measurement Units ENGUNITS AC measurement units. Options and selection
criteria
18 Get V AC Overall Measurement RMS TC REAL Time constant definition for RMS
measurement (demanded).
Range: 0.1…60 s,
default of 1
19 Get V AC Overall Measurement Peak TC REAL Time constant definition for Peak
measurement (demanded).
Range: 0.1…60 s,
default of 1
20 Get V AC Overall Magnitude - Detection
Method
SINT Detection method for the overall
magnitude value.
Options
Measurement Time Constants Group of 2 configuration attributes.
24 Get V Actual RMS TC REAL Actual implemented RMS TC value
that is based on channel-data
acquisition setup.
Seconds
25 Get V Actual Peak TC REAL Actual implemented Peak TC value
that is based on channel-data
acquisition setup.
Seconds
Peak per Revolution Assessment Group of 2 configuration attributes.
32 Get V Configure Peak per Rev SINT Option to enable Peak level
assessment on a once per revolution
basis, including tacho source
selection.
Peak per Rev details
33 Get V Minimum RPM for Peak per Rev REAL Peak per revolution only active above
this value.
Peak per Rev details
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