Services – Rockwell Automation 1440-SPD02-01RB XM-220 Dual Speed Module User 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