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Ronan Dedicated Alarm Evolution on Automation.com
Years ago, dedicated Alarm Monitoring systems with windowed panels were being replaced in favor of PLC/DCS systems with CRT Displays and Monitors for a variety of expressed reasons:

Annunciator Panel installations seemed costly, especially where all contact wiring had to be brought to a central location and approved cabling is expensive.

For full article, click here:  Dedicated Alarm Annunciator Panel Evolution - Deserve Renewed Attention