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STEP 2000 - Basics of PLCs

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Welcome to another course in the STEP 2000 series, Siemens Technical Education Program, designed to prepare our distributors to sell Siemens Energy & Automation products more effectively. This course covers Basics of PLCs and related products. | SIEMENS STEP 2000 Basics of PLCs Table of Contents Introduction.2 PLCs.4 Number Systems.8 Terminology.14 Basic Requirements.23 S7-200 Micro PLCs.28 Connecting External Devices.39 Programming A PLC.41 Discrete Inputs Outputs.49 Analog Inputs and Outputs.61 Timers.64 Counters.71 High-Speed Instructions.75 Specialized Expansion Modules.78 Review Answers.84 Final Exam.85 1 Introduction Welcome to another course in the STEP 2000 series Siemens Technical Education Program designed to prepare our distributors to sell Siemens Energy Automation products more effectively. This course covers Basics of PLCs and related products. Upon completion of Basics of PLCs you should be able to Identify the major components of a PLC and describe their functions Convert numbers from decimal to binary BCD and hexadecimal Identify typical discrete and analog inputs and outputs 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 Describe the operation of timers and counters