Configure An Alarm Instruction - Allen-Bradley Logix5000 Reference Manual

Chapter 1 FactoryTalk Alarms and Events Logix-based Instructions (ALMD, ALMA)
Configure an Alarm
Instruction
Option
Condition - ALMD instruction
Input Level - ALMA instruction
Input Rate of Change - ALMA instruction
72
After you enter an ALMD or ALMA instruction and specify the alarm tag name,
use the Alarm Configuration dialog to specify the details of the message.
The Properties dialog for the alarm instruction includes a Configuration tab.
For each alarm instruction, configure this information.
Description
Condition to trigger the alarm.
Select Input=1 for an active alarm when In=1. Select Input=0 for an active alarm when In=0.
Input Level (High High, High, Low, or Low Low) or Input Rate of Change (Positive or Negative) to trigger
an alarm.
Select the alarm conditions and enter the limits for those conditions. Disable rate-of-change
conditions by entering a 0 for the period or limit.
Rockwell Automation Publication 1756-RM003N-EN-P - October 2011