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Introduction
Welcome to another course in the STEP series, Siemens
Technical Education Program, designed to prepare our
distributors to sell Siemens Industry, Inc. 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
• Identify key differences of the various S7-200 models
• Identify the types of expansion modules available for
S7-200 PLCs
• Describe the types or programming available for S7-200
PLCs
• Describe the operation of commonly used program
functions such as timers and counters
• Identify the proper manual to refer to for programming or
installation of an S7-200 PLC
This knowledge will help you better understand customer
applications. In addition, you will be better able to describe
products to customers and determine important differences
between products. You should complete
Basics of Electricity
before attempting Basics of PLCs. An understanding of many
of the concepts covered in Basics of Electricity is required for
this course.
After you have completed this course, if you wish to determine
how well you have retained the information covered, you can
complete a final exam online as described later in this course. If
you pass the exam, you will be given the opportunity to print a
certificate of completion.
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