Allen-Bradley Logix5000

Rockwell Automation Publication 1756-RM003N-EN-P - October 2011 71
FactoryTalk Alarms and Events Logix-based Instructions (ALMD, ALMA) Chapter 1
Example: A tank alarm is activated if the tank level surpasses a High or High High limit.
Programmatically acknowledge all the alarm conditions with a cleared-to-set
transition of the Tank32LevelAck tag value. The application logic must clear
Tank32LevelAck.
Relay Ladder
Structured Text
ALMA(Tank32Level,Tank32LT,Tank32LevelAck,0, 0);
Function Block