Introduction to PLCs
Programmable logic controllers, or Introduction to PLCs, are used to automate processes in industry. In the 1960s, the computerized processor replaced the relay logic control system. With the widespread use of PLCs in today’s automation industry, a technician is required to have a good understanding of their operation in order to perform maintenance and troubleshooting procedures.
Introduction to PLCs Course Objectives
- List the basic components of a PLC.
- Describe the basic operation of a PLC.
- Define the three stages of a scan cycle.
- Discuss the ladder logic diagram of a hardwired system.
To proceed with lessons all quizzes must be passed with 70% or above score. There are three attempts for each quiz, in any circumstances if you failed quiz or exam in your all three attempts the course will be locked permanently and you will be forced by OSHA to complete the course in classroom.
Course final exam must be completed with and passed with 70%. There are three attempts for final exam, in any circumstances if you failed quiz or exam in your all three attempts the course will be locked permanently and you will be forced by OSHA to complete the course in classroom.
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