Learners consider the correct type of pushbutton to use as a Stop button, the way the Stop button should be hard wired, and the PLC input instruction to use. This animated object includes a short quiz. It is recommended that learners review the learning object “The PLC Examine-Off Instruction” before beginning this object.
In this learning activity you'll review the operation and schematic symbols of various types of switches and push buttons used for electronic circuits.
This animated lesson shows how a ladder circuit causes the cylinder of a hydraulic circuit to continuously extend and retract after a Start button has been pressed.
Learners follow steps for sizing a car wash interceptor according to the Wisconsin Administrative Plumbing Code. A quiz completes the activity. (Hover your mouse in lower right corner to see the next button)