Dynamix Dc; Measurement Object - Allen-Bradley 1444-TSCX02-02RB User Manual

Appendix A CIP Objects
Dynamix DC 

Measurement Object

Table 159 - Instance Attributes
Attribute ID Access Rule NV
1 Get V
2 Get V
3 Get V
DC Measurement
16 Get V
17 Get V
18 Get V
19 Get V
426
The DC Measurement Object (0x391) defines configuration of DC overall
measurement by selecting smoothing constants, and definition of measurement
units. One instance is linked to each available transducer channel and is fully
separate from the DC Volts overall value
Table 157 - Object Instances
Instance ID
0
1...4
Table 158 - Class Attributes
Attribute Access
ID Rule
1 Get
8 Get
Name Data Type
DC Value REAL
Rod Drop Value REAL
DC Bias REAL
Group of 5 configuration attributes
DC Measurement Units ENGUNITS
DC Measurement TC REAL
DC Measurement Offset REAL
DC Measurement Sense SINT
Control
Rockwell Automation Publication 1444-UM001D-EN-P - June 2018
Description
DC Measurement Class Instance
DC measurement setup and data for channels 0...3
• Instances 1 for transducer channel 0, DC measurement
• Instances 2 for transducer channel 1, DC measurement
• Instances 3 for transducer channel 2, DC measurement
• Instances 4 for transducer channel 3, DC measurement
NV Name Data
Type
NV Revision UINT
V Enabled Instances STRUCT
BYTE
BYTE
BYTE
Description of Attribute
Processed DC measurement output.
Processed rod-drop value output.
Measured in DC Volts.
The same as attribute 1 of the
Transducer Object
The DC measurement units.
Time
constant
definition for
DC
measurement
(demanded).
Measurement offset in selected
measurement units.
Sense control of the DC measurement
for axial/thrust applications.
Description of Semantics of
Attribute Values
Current object revision. Current revision.
Bit-wise coding of Decoding
enabled DC information.
measurement instances.
Active instances for
channels 0...3.
Reserved for full
multiplexing.
Reserved for full
multiplexing.
Semantics of Values
0 when rod drop
application is not active
for this channel
Options and selection
criteria
Range: 0.1...60 s, default
of 1
Is added to the
measurement.
Range: -50000...50000
0: Active/Normal
1: Inactive/Counter