Class Attribute Semantics - Allen-Bradley 1444-TSCX02-02RB User Manual

Appendix A CIP Objects
456

Class Attribute Semantics

Source Selection
The following sources can be identified as inputs for Trip Inhibit/Bypass and
Reset functionality.
Table 187 - Class Attribute - Source Selection
Bit
0
1
2
3
4...7
Multiple selections identify OR functionality of specified inputs.
Applies to all Voted alarms and all Relays.
Where a logic input is being used, left open they are 'inactive' , close/connect
the pair of terminals to action a reset or an inhibit action.
That action is maintained for as long as the connection is made.
Table 188 - Instance Attributes
Attribute Access NV Name
ID Rule
1 Get V Voted Alarm Status
Alarm Usage and Behavior
16 Get V Alarm Usage
17 Get V Alarm Name
18 Get V Alarm
Behavior
19 Get V Alarm Type
Alarm Voting Logic
24 Get V Alarm Logic
Configuration
Rockwell Automation Publication 1444-UM001D-EN-P - June 2018
Description
Logic Input 0 - Module Hardware Digital Input
Logic Input 1 - Module Hardware Digital Input
Input I/O
Alarm Service Request
Reserved
Data Type Description of
Attribute
WORD Bit coded individual
voted alarm status.
Group of four configuration attributes.
BYTE What measurement
alarm outputs are
used. None used =
OFF.
SINT[32] A name to identify
this voted alarm
instance.
SINT Latching or non-
latching.
SINT Any output
designated fail-safe
or Alarm Type
Options non-fail-
safe.
Group of five configuration attributes.
SINT The high-level
voting scheme that
is used for the
logical alarm
processing.
Semantics of
Values
Status options
Alarm usage
options
32 characters
Alarm behavior
options
Alarm type options
Voted logic schemes