Rockwell Automation 1440-VLF02-01RA XM-121 Absolute Shaft Module - Manual (Page 125)

Publication GMSI10-UM014D-EN-P - May 2010
DeviceNet Objects 117
Instances
There are 3 instances of this object.
Instance Attributes
Table C.37 Overall Measurement Object Instances
Instance Description
1 Channel 1 Shaft Relative Overall
2 Channel 2 Case Absolute Overall
3 Shaft Absolute Overall
Table C.38 Overall Measurement Object Instance Attributes
Attr ID
Access
Rule
Name Data Type Description Semantics
3 Get Overall Value REAL Measured value The output value of the
measurement performed by the
Overall Measurement Object on
the input signal. The result of
the measurement process
specified by Measurement is
converted to the units specified
by Data Units to produce the
Overall Value.
4 Get Status BOOL Indicates if a fault or
alarm has occurred. 0 = Operating without alarms or
faults.
1 = Alarm of fault condition
exists. The Overall Value
attribute may not represent the
actual field value.
5 Get Data Units ENGUNIT The units context of the
Overall Value attribute. This setting is determined by the
Channel Object’s Output Data
Units attribute (see page 112).
6 Get/Set
Measurement
1 USINT The measurement (or
calculation) performed to
produce the Overall
Value. 0 = RMS
1 = RMS peak
2 = RMS pk-to-pk
3 = Peak
4 = Peak-to-peak
5-255 Reserved