Transcription of Programmable Logic Controllers - Dr. Jeff Jackson
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3-1Dr. D. J. Jackson Lecture 3-1 Electrical & Computer EngineeringProgrammable Logic ControllersPLC Addressing and Basic InstructionsDr. D. J. Jackson Lecture 3-2 Electrical & Computer EngineeringBasic addressing For the Allen-Bradley PLCs and the simulator used, the input and output image areas (in addition to other data) are held in data files Each data file holds information such as Discrete input values Discrete output values Values associated with timers Values associated with counters Status information D. J. Jackson Lecture 3-3 Electrical & Computer EngineeringPLC data filesSimulator data filesAB PLC data filesDr.
3-1 Electrical & Computer Engineering Dr. D. J. Jackson Lecture 3-1 Programmable Logic Controllers PLC Addressing and Basic Instructions Electrical & Computer Engineering Dr. D. J. Jackson Lecture 3-2 Basic addressing
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