Programmable controllers: hardware, software, and applications
Programmable controllers are used in virtually all automated industries. No electronics, computer, or process engineer can succeed without a good working knowledge of programmable controllers and their applications. This book provides a solid introduction to programmable controllers-what they are; how they work; and how to select, set up, and use them on the job.
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Computer Arithmetic and Coding
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area network ASCII backup binary number bits block bus unit byte cable chapter circuit CMOS RAM coil communications control contact data in register decimal number device diagnostic functions display Eagle EPROM equation example flow rate GRAFCET hexadecimal high-level high-speed counter host computer I/O capabilities I/O modules I/O points analog instruction internal relays ladder diagram ladder logic latch lnput logic gates master-slave mathematical and diagnostic memory microprocessor number system offers operation parallel transmission PC's peer-to-peer formats performs basic mathematical peripherals personal computer PID control power supply processor program loader programmable controllers programming language proportional control relay ladder Relay Ladder Logic relay-ladder language remote I/O rung scan serial serial communication serial transmission Series shown in Figure signal Slave PC StepLadder PLC STEPS stores the result subtraction switch symbols timer tion TNlM topology total I/O transmission truth table voltage