Rockwell Automation 1440-SPD02-01RB XM-220 Dual Speed Module - Manual (Page 112)

Publication GMSI10-UM004B-EN-P - May 2010
104 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.
Instances
There are 2 instances of the object.
Instance Attributes
Table C.36 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.
5 Get Maximum
Speed REAL The maximum (peak)
measured speed value
(positive or negative)
since the most recent
reset. CPM
6 Get/Set Locked Rotor
Alarm Enable BOOL Indicates whether the
locked rotor alarm is
enabled. 0 = Disabled
1 = Enabled
7 Get Locked Rotor
Alarm Status USINT The current status of the
locked rotor alarm. 0 = Normal
1 = Alert (alarm)
2 = Danger (shutdown)
3 = Disarm
4 = Xdcr Fault
5 = Module Fault
6 = Tachometer Fault
7 = Unknown