Dynamix Measurement Alarm Object - Allen-Bradley 1444-TSCX02-02RB User Manual

Appendix A CIP Objects
Dynamix Measurement
Alarm Object
448
The measurement alarm object (class code 0x396) defines configuration of
two-stage individual measurement alarms and provides access to the associated
alarm status. Defined, and enabled, measurement alarms can be used as input
for logical alarms (voted) and/or be used as non-latching intermediate virtual
alarm status.
Class attributes and services allow for alarm history information.
Table 179 - Object Instances
Instance ID
0
1...24
Unused instances exist and are accessible but have a disabled state.
Table 180 - Class Attributes
Attribute Access NV
ID Rule
1 Get NV
8 Get V
9 Get V
10 Get V
11 Get V
12 Get V
Table 181 - Instance Attributes
Attribute Access NV
ID Rule
1 Get V
General Alarm Configuration
16 Get V
17 Get V
18 Get V
Rockwell Automation Publication 1444-UM001D-EN-P - June 2018
Description
Measurement Alarm Class Instance
Alarm Measurement object instances 1...24
Name Data Description of
Type Attribute
Revision UINT Current object revision.
Active DWORD Defines the active
Instances measurement alarms.
Common BOOL Boolean status
Alert indicating presence of at
least one alert condition.
Common BOOL Boolean status
Danger indicating presence of at
least one danger
condition.
Common TX BOOL Boolean status
Fail indicating presence of at
least one TX Fail
condition.
Alarm STRUCT Array of events (Time
History Stamp, measurement
output, alarm status)
that represent last x
number of entries. A
change in the alarm
status triggers an entry.
Name Data Type Description of
Attribute
Individual Alarm BYTE/WORD Bit coded individual
Status measurement alarm
status.
Group of six configuration attributes.
Alarm Enable SINT Boolean function that
indicates if the alarm is
enabled (and defined).
Alarm INT Defines source of
Measurement measurement alarm.
Identifier
Alarm Name SINT[32] A name to identify this
alarm instance.
Semantics of Values
Current revision.
Bit coding (24 used)
Semantics of
Values
Status options
0: Not enabled
1: Enabled
Source selection
32 characters