Rockwell Automation 1440-VSE02-01RA XM-122 gSE Vibration Module - Manual (Page 181)

Publication GMSI10-UM013D-EN-P - May 2010
DeviceNet Objects 171
Services
1 Attributes can only be set while the device is in Program Mode. See the description of the Device Mode Object
for more information.
Tachometer Channel Object
(Class ID 326
H
)
The Tachometer Channel Object models "front end" processing performed
on a tachometer signal before specific measurements are performed.
Class Attributes
The Tachometer Channel Object provides no class attributes.
5 Get Maximum
Speed REAL The maximum (peak)
measured speed value
(positive or negative)
since the most recent
reset. CPM
12 Get/Set Time Constant UINT The time constant value
used for exponential
averaging of the Speed
Value (a low pass
filter/output smoothing
filter). Milliseconds
13 Get Acceleration REAL The rate of change of the
Speed Value. CPM/min
Table C.58 Speed Measurement Object Instance Attributes
Attr ID
Access
Rule
Name Data Type Description Semantics
Table C.59 Speed Measurement Object Services
Service
Code
Class/Instance Usage Name Description
05
h
Instance Reset Clears Maximum (Peak)
speed to 0.
0E
h
Instance Get_Attribute_Single Returns a single attribute.
10
h
Instance Set_Attribute_Single
Sets a single attribute.
1