2/14/2023 0 Comments Internal relays logix pro![]() Relay Systems Get an Upgradeīefore the invention of programmable relays and PLCs, relay systems contained in cabinets that could be fifty feet long controlled machines. Although they are a good fit for many applications, they have their disadvantages too. ![]() Today, programmable relays are another choice available to control electrical systems. But PLCs are a more expensive option for automation. Later, PLCs (programmable logic controllers) become available. Originally, such control systems would’ve been designed using conventional relays and timers. Programmable relays also control industrial equipment, building systems and more. They can switch on or off on predetermined schedules or be triggered by sensors. Lighting systems can be automated to stay on for certain periods of time. ![]() A programmable relay offers an easy-to-use, low-cost option to add automated control.Įven modern lighting benefits from smart controls. Only the simplest powered electrical systems and equipment require just an on-off switch. ![]()
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