Rockwell Automation 1440-SPD02-01RB XM-220 Dual Speed Module - Manual (Page 113)

Publication GMSI10-UM004B-EN-P - May 2010
DeviceNet Objects 105
Services
Setting the attributes of this object are not affected by the status of the Device
Mode Object.
1 Attributes can only be set while the device is in Program Mode. See the description of the Device Mode Object
for more information.
8 Get/Set Locked Rotor
Alert Threshold REAL The minimum machine
speed that must be
obtained within the alert
period to avoid an alert
status. CPM
9 Get/Set Locked Rotor
Danger
Threshold
REAL The minimum machine
speed that must be
obtained within the
danger period to avoid a
danger status. CPM
10 Get/Set Locked Rotor
Alert Period USINT The amount of time the
machine has to reach the
alert threshold before an
alert status is indicated. Seconds
11 Get/Set Locked Rotor
Danger Period USINT The amount of time the
machine has to reach the
danger threshold before a
danger status is
indicated. Seconds
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 measurement. CPM/min
Table C.36 Speed Measurement Object Instance Attributes
Attr ID
Access
Rule
Name Data Type Description Semantics
Table C.37 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