Where are input devices located in a ladder diagram?

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Multiple Choice

Where are input devices located in a ladder diagram?

In ladder diagrams, input devices are placed on the left side of each rung. A rung runs from the left power rail toward the right side, and the input devices (like pushbuttons or sensors) are shown on that left portion as contacts. When an input condition is met, the path through those contacts allows current to flow to energize the output device on the right side of the rung. This left-to-right arrangement mirrors traditional relay logic, with inputs on the left forming the control path and outputs on the right being the energized loads.

In ladder diagrams, input devices are placed on the left side of each rung. A rung runs from the left power rail toward the right side, and the input devices (like pushbuttons or sensors) are shown on that left portion as contacts. When an input condition is met, the path through those contacts allows current to flow to energize the output device on the right side of the rung. This left-to-right arrangement mirrors traditional relay logic, with inputs on the left forming the control path and outputs on the right being the energized loads.

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