Process Control & Instrumentation Lab

PROCESS CONTROL AND INSTRUMENTATION LAB

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FPC-80 PAPER CUP FILLING MACHINE

MFIT-750 MELT FLOW INDEX TESTER

BM-345 BLOW MOULDING FACILITY

Mould Clamping:-Hydraulic Mould clamping system for better power effeciency.

TEMPERATURE CONTROL TRAINER PC-103

The process setup consists of heating tank fitted with thyristor-controlled heater for on line heating of the water. Water is supplied from laboratory constant head tank and its flow can be manipulated and measured by provided Rotameter. The temperature of the heated water is sensed by RTD sensor. This measured variable through Temperature Transmitter is communicated to Digital Indicating Controller. Error is calculated and output, accordingly, is communicated to Thyristor Controlled heater to achieve the Set Point. These units along with necessary piping are supported in a well-designed housing and are fixed on base plate. The present set-up is completely computerized controlled. The Digital Indicating Controller have a facility to interface the system with computer which enables to change the PID parameters using computer. The educational software and data-logging package has been developed for unit. This software is compatible to interfacing unit designed by us. This software package provides a comprehensive educational software environment within which the PID investigations can be performed. This software is capable to tabulate the sample readings according to the requirement of experiment under study and results obtained can be compared. The real time data acquisition can be done by interfacing the set-up with computer using software. This software can be used outside the laboratory with the computer to familiarize the students with the equipment and procedures with the help of Flow Diagrams provided in the software. In flow diagrams Set Point, Process Variable and Controllers Output are visible on the screen and this data can be transferred in Excel Files for further calculations, plotting graphs etc. Software allows the user to have control on sampling time, data logging, printing the stored data, preparing spread sheets in Excel etc.

PRESSURE CONTROL TRAINER PC-101

The setup consists of a process tank in which compressed air enters through a Pneumatic control valve. The pressure transmitter is fitted on the process tank. The air pressure in process tank is sensed by the transmitter and communicated to the digital indicating controller. This measured variable is compared with the Set Point by controller and output is generated and given to I/P converter, which in turn supply the 3- 15 Psig pressure to vary the opening of the Pneumatic control valve to eliminate the error observed. As the opening of pneumatic control valve varies, the pressure in the Process Tank gets affected. This process goes on until the Set Point target is achieved. A ball valve is also provided in the process tank to disturb the system and to observe the effect of disturbance. These units along with necessary piping are supported in a well-designed housing and are fixed on base plate. The present set-up is completely computerized controlled. The Digital Indicating Controller has a facility to interface the system with computer which enables to change the PID parameters using computer. The educational software and data-logging package has been developed for unit. This software is compatible to interfacing unit designed by us. This software package provides a comprehensive educational software environment within which the PID investigations can be performed. This software is capable to tabulate the sample readings according to the requirement of experiment under study and results obtained can be compared. The real time data acquisition can be done by interfacing the set-up with computer using software. This software can be used outside the laboratory with the computer to familiarize the students with the equipment and procedures with the help of Flow Diagrams provided in the software. In flow diagrams Set Point, Process Variable and Controllers Output are visible on the screen and this data can be transferred in Excel Files for further calculations, plotting graphs etc. Software allows the user to have control on sampling time, data logging, printing the stored data.

CALIBRATION OF THERMOCOUPLE & THERMOMETER PC-112

The setup consist of constant temperature bath with heating element. This heat source is controlled with the help of digital temperature controller at any preset valve. A thermocouple pocket is provided to insert the thermocouple in it. Three thermocouple i.e. CR/AL, Cu-constantan, Fe-constantan and digital milivolt meter are also provided. All components are assembled on a base plate to form a table top setup.

MEASUREMENT OF LEVEL BY CAPACITANCE METHOD PC-114

The present set-up is designed to study the working principle and calibration procedure of capacitance type level transmitter. The setup consist of a probe which is mounted in a level tank with graduated scale. Water is poured in the level tank manually and response of the level transmitter is indicated on the level Indicator. Output of the transmitter can be measured using digital current meter. A drain valve is provided at the bottom of the level tank which enables the student to observe and measure the response of capacitance type level transmitter at different liquid heights The setup is complete with level tank, level transmitter, current indicator and necessary piping. All component and accessories are properly mounted on the rigid MS structure and fitted on a base plate to from a table top set up.

CHARACTERSTIC P.I.D CONTROLLER PC-109

The present set-up is designed to study the characteristics of a PID controller. It consists of a stirred tank in which a heater is provided to heat the water. Water is supplied to the tank from laboratory overhead tank by the user. The flow rate can be adjusted by operating the needle valves provided on Rotameter. PID parameters can be changed for conducting experiment on P, PI, PD and PID mode. Controller can be operated on Auto Tune mode in which controller automatically fixes the value of P, I and D. Temperature is sensed by the PID Controller and the controller gives input to the heater, accordingly. Experiment can be performed on various flow rates and temperature set points.

CONTROL VALVE CHARACTERSTIC PC-108

The setup is specially designed for various experimental and demonstrative capabilities. The product consists of Pneumatic control valves of Linear and Equal % type. The Stainless Steel water tanks with pump are provided for continuous water circulation. The Rotameter is used for the flow measurement. The pressure at the valve inlet is measured with the help of manometer. The air regulator and pressure gauge is provided for regulating air supply. These units along with necessary piping and fitting are assembled in a painted MS Structure.

PC-101     Pressure Control Trainer

PC-103     Temperature Control Trainer

PC-105     Cascade Control Trainer

PC-107     Study of P/I & I/P Convertor

PC-109     Characteristic of P.I.D Controller

PC-111     Time Constant of Thermocouples & Thermometer

PC-113     Measurement of Level by Air Purge Method

PC-115    Two Tank Interacting System

PC-117    Interacting & Non-interacting System

PC-119      Dead Weight Pressure Gauge Tester

PC-102      Level Control Trainer

PC-104      Flow Control Trainer

PC-106      Multi Process Trainer

PC-108      Control Valve Characteristic

PC-110      Time Constant of Manometer

PC-112      Calibration of Thermocouple & Thermometer

PC-114       Measurement of Level by Capacitance Method

PC-116       Two Tank Non-interacting System

PC-118       Single Tank System

PC-120       Pneumatic Trainer