Alarm object (class id 31dh), Class attributes, Instances – Rockwell Automation 1440-SPD02-01RB XM-220 Dual Speed Module User Manual
Page 106: Instance attributes, Class attributes instances instance attributes, Alarm object (class id 31d

Publication GMSI10-UM004B-EN-P - May 2010
98 DeviceNet Objects
Alarm Object
(Class ID 31D
H
)
The Alarm Object models a two-stage (alert and danger levels) alarm.
Class Attributes
The Alarm Object provides no class attributes.
Instances
There are 6 instances of this object.
Instance Attributes
Table C.28 Alarm Object Instances
Instance
Measurement
Alarm 1
Channel 1 Speed
Alarm 2
Channel 2 Speed
Alarm 3
Channel 1 Acceleration
Alarm 4
Channel 2 Acceleration
Alarm 5
Channel 1 Zero Speed
Alarm 6
Channel 2 Zero Speed
Table C.29 Alarm Object Instance Attributes
Attr ID
Access
Rule
Name Data
Type
Description
Semantics
3
Get
Alarm Status
3 BITS
The current status of the
alarm.
0 = Normal
1 = Alert (alarm)
2 = Danger (shutdown)
3 = Disarm
4 = Xdcr Fault
5 = Module Fault
6 = Tachometer Fault
4
Get/Set
Alarm Enable
BOOL
Indicates whether this
alarm object is enabled.
0 = Disabled
1 = Enabled
6
Get
Threshold Units
USINT
Indicates whether the
threshold and hysteresis
value are specified in
units of measure.
Set to 1
1 = Measurement units
7
Get/Set
Condition
USINT
Indicates on which side of
the threshold values the
alarm and danger
conditions exist.
0 = Greater than
1 = Less than
2 = Inside range
3 = Outside range