Learning Object
Learning Object image

Four-Wire Sensors


Author: Terry Bartelt
Subject: Science, Technology, Engineering & Mathematics
Source: Wisc-Online
Creative Commons Attribution-NonCommercial Image

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Description
In this animated object, learners examine the signals produced at the N.O. (normally open) and N.C. (normally closed) outputs of sourcing and sinking four-wire sensors. A brief quiz completes the activity.

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