478 Rockwell Automation Publication 1444-UM001D-EN-P - June 2018
Appendix A CIP Objects
Attribute Semantics
Source Selection
The Advanced CM data can be read from the alternate processing path (4) or
from a choice of locations on the main signal processing path.
Measurement Units
Actual selection of Measurement engineering units is a subset of the master
engineering units list. The selection is based on active measurement application
for the applicable measurement channel (related to sensor type and signal
processing).
17 Get V Measurement Units ENGUNITS Set the
measurement
units that are
based on
selected data
source.
Engineering units
options
18 Get V Associated Tacho
Source
SINT Tacho source
selection.
For tacho events
19 Get V Waveform Record
Length
SINT Not used
Table 222 - Source Selection
Index Description
0 or 1 Pre-Filter - before application-specific filters
2 Mid-Filter - after the Low Pass Filter
3 Post-Filter - after both application filters and any configured integration
4 Alternate path - can be asynchronously or synchronously sampled depending on
channel set-up
Table 223 - Associated Tacho Source
Value Description
0x01 Tacho/Speed 0
0x02 Tacho/Speed 1
Higher Values Reserved
Table 224 - Common Services
Service
Code
Implementation Service Name Description of Service
Class Instance
0x0E x x Get Attribute Single Returns the contents of the specified attribute
Table 221 - Instance Attributes (continued)
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