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Chapter 2: Basic Ladder Logic Programming
personal.kent.eduLadder Logic Diagram Example 1 Computer Aided Manufacturing TECH 4/53350 27 Task: Draw a ladder diagram that will cause the output, pilot light PL2, to be on when selector switch SS2 is closed, push button PB4 is closed and limit switch LS3 is open. (Note: no I/O addresses yet.) Thought Process
Basics of PLCs
diagramas.diagramasde.com• Read a basic ladder logic diagram and statement list • Identify operational differences between different S7-200 models • Identify the proper manual to refer to for programming or installation of an S7-200 PLC • Connect a simple discrete input and output to an S7-200 • Select the proper expansion module for analog inputs and outputs