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What is the Difference Between NPN and PNP Signal Input Types?

Posted by Russell Trella

Sep 27, 2022 3:38:22 PM

PNP sensors are a current sourcing device, while NPN sensors are a current sinking device. It is important to know whether your input signal for your counter is a sinking or sourcing signal when programming your counter.  

Topics: Veeder-Root & Eagle Signal

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Written by Russell Trella

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