2010•Journal of Electrical & Electronic EducationRequires access
The General Computation Expression of Analog Quantity Input Signals by PLC
Yang Ai-guang
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Abstract
From the compuing problems of quantity-value transformation for received input signals of analog quantitys with PLC, a general computation expression between the analog value in the analog quantity input module of PLC and the physical quantity measured by a sensor is concluded, which is deduced into some examples. For the computation of quantity-value transformation of analog values disposed by PLCs, the concluded general computation expression has universal guiding significance.