Answers to Programmable Controller Applications at Hubei Open University

[Image] Click the blue text to follow immediately [Image] 1. The programmable controller uses a microprocessor as the central processing unit, which can control logical quantities and also control ( ) . Reference: analog quantities 2. The PLC has logical operation functions and can describe various connections such as the series of relay contacts and ( ). Reference: parallel 3. The PLC has A/D conversion and ( ) functions, completing the processing of analog quantities…

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