Allen-Bradley 1440-SDM02-01RA, User Manual, Page: 138 / 168

136 Rockwell Automation Publication 1440-UM001D-EN-P - September 2016
Appendix B CIP Objects
Services
Alarm Object (Class ID 31DH) The Alarm Object mode is a two-stage (alert and danger levels) alarm.
Class Attributes
Instances
There are 16 instances of this object.
Instance Attributes
Table 60 - Acknowledge Handler Object Services
Service Code Class/Instance Usage Name
0E
h
Instance Get_Attribute_Single
10
h
Instance Set_Attribute_Single
Table 61 - Alarm Object Class Attributes
Attribute
ID Access
Rule Name Data Type Description Semantics
1 Get Revision USINT Version of the
implemented object.
2 (indicates that Threshold
Multiplier is a REAL instead of
USINT)
Table 62 - Alarm Object Instance Attributes
Attribute
ID Access Rule Name Data Type Description Semantics
3 Get Alarm Status 3 BITS The 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
5 Get Type USINT Type of Alarm 0 = Magnitude
1 = Vector
6 Get Threshold Units USINT Indicates whether the thresholds
and deadband value are specified in
units of measure. Not applicable to
vector alarms. Set to 1
1 = Measurement units
7 Get/Set AlarmCondition USINT Indicates on which side of the
threshold values the alarm and
danger conditions exist. Not
applicable to vector alarms. 0 = Greater than
1 = Less than
2 = Inside range
3 = Outside range