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Research Paper | Mechanical Engineering | India | Volume 3 Issue 7, July 2014 | Popularity: 6.7 / 10

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Programming of HC900 Controller based Speed Control System for D.C. Motor

L. B. Raut, P. K.Parase, Suraj Jagtap

Abstract: In process control industries the concept of multiple input, multiple output control systems is the key work now days. The control variables are analog nature as well as digital nature. To control these mixed type of variables hybrid controller is popularly used. The hybrid controller is a basic platform of SCADA. In which monitoring recording and display of variables with respect to time, animation of various control components is possible. Therefore, a project is taken up to establish a speed control system of the motor by controlling the power input from a dedicated motor controller through discrete controller as a process. Hybrid controller Make of Honeywell Model HC-900 having 8-Analog I/P, (4-20mA) Analog O/P, 16-Digital I/P, 16-Digital O/P, 8-Control loop; as a controller and Honeywell Plants cape is taken as SCADA software. In this phase all these control components shall be properly arranged on a table top setup. The HMI (Human Machine Interface) shall be used through HC 900 to set the desired speed. The output of HMI is 4-20 mA this will act as one of the analog input of HC900. The tachometer signal (4 - 20 mA) shall provide the feedback input, and accordingly the output i. e.4-20 mA shall drive the DC motor controller through HC900 Controller. After motor shall output the rpm, depending upon the load to the motor as it is coupled to eddy current dynamometer. Varying the input 4-20 mA of Eddy current dynamometer shall vary the load on the motor. A fairly large amount of experimentation shall be carried out on motor coupled with dynamometer and tachometer. The family of operating curves that is speed (mA) as Abscissa, motor controller input (4-20mA) as ordinate and various torque lines. The linearization of this figure shall evaluate the block diagram of the plant. Applying appropriate analysis methods HC900 shall be configured along

Keywords: HC 900, SCADA, HMI, PID FUNCTION BLOCK, PROGRAMMING

Edition: Volume 3 Issue 7, July 2014

Pages: 2310 - 2317

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