Rockwell Automation 1440-VSE02-01RA XM-122 gSE Vibration Module - Manual (Page 180)

Publication GMSI10-UM013D-EN-P - May 2010
170 DeviceNet Objects
Speed Measurement Object
(Class ID 325
H
)
The Speed Measurement Object models a speed measurement of a tachometer
signal.
Class Attributes
The Speed Measurement Object provides no class attributes.
Instance Attributes
Table C.57 Get_Spectrum_Chunk/Get_Waveform_Chunk Response Parameters
Name Data Type
Description of Response
Parameters
Semantics of Values
Number of DWORDs USINT The number of 32-bit values
actually returned in the Data
Chunk array of the response. (Can
be less than the number of
DWORDs requested.) If less DWORDs are returned than were
requested, the end of the data structure has
been reached (the request went beyond the
end of the array).
Data Chunk Array of
DWORD The requested portion of the data
structure.
Table C.58 Speed Measurement Object Instance Attributes
Attr ID
Access
Rule
Name Data Type Description Semantics
3 Get Speed Value REAL The measured speed
value. CPM
4 Get Status BOOL Indicates if a fault or
alarm has occurred. 0 = Operating without alarms or
faults.
1 = Alarm or fault condition
exists. The Speed Value
attribute may not represent the
actual field value.