In this Design Idea, we look at how electromechanical relays display hysteresis behavior that is surprisingly similar to the solid-state Schmitt trigger circuits, and how they can be used for many ...
This file type includes high resolution graphics and schematics when applicable. According to the research firm IHS Inc., about 54 million relays and timers were purchased in 2013, a number projected ...
Like the ADA-10/11 models, the ADA-20/21 provide digital relay control. The ADA-20/21 have 2 relays that can be used for strike control and auxiliary output. They also have RS-485 connectors to make ...
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