Transcription of Chapter 19 Programming the PID Algorithm - utoledo.edu
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Chapter 19 Programming the PID Algorithm - utoledo.edu
Ch 19 PID Block 1 Chapter 19 Programming the PID Algorithm Introduction The PID Algorithm is used to control an analog process having a single control point and a single feedback signal. The PID Algorithm controls the output to the control point so that a setpoint is achieved. The setpoint may be entered as a static variable or as a dynamic variable that is calculated from a mathematical operation. For many years, the PID Algorithm was not accepted as a function suitable for a PLC. It was included in a DCS (Distributed Control System) or configured from a number of stand-alone PID controllers. However, as PLC prices continued to fall during the 1980 s and later and more economical HMI systems were developed for the PLC, PLCs became more accepted as PID controllers.
controllers. However, as PLC prices continued to fall during the 1980’s and later and more ... SLC PID block followed by the CompactLogix processor as well as the Siemens 1200 and their ... Module Configuration, 4 Channel Module Wiring, and 4 Channel Module Specifications to find the choices available for Analog Inputs and Analog Outputs.
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