TEMPERATURE CONTROL TRAINER (COMPUTER CONTROLLED SYSTEM) APPARATUS

About TEMPERATURE CONTROL TRAINER (COMPUTER CONTROLLED SYSTEM) APPARATUS

Specification:

TEMPERATURE CONTROL TRAINER (COMPUTER CONTROLLED SYSTEM)APPARATUS

Theprocess setup consists of heating tank fitted with thyristor-controlled heaterfor on line heating of the water. Water is supplied from laboratory constanthead tank and its flow can be manipulated and measured by provided Rotameter.The temperature of the heated water is sensed by RTD sensor. This measuredvariable through Temperature Transmitter is communicated to Digital IndicatingController. Error is calculated and output, accordingly, is communicated toThyristor Controlled heater to achieve the Set Point. These units along withnecessary piping are supported in a well-designed housing and are fixed on baseplate.

Experimentation:

Tostudy the open loop or manual control

Tostudy the proportional control

Tostudy the two mode (P+I) control

Tostudy the two mode (P+D) control

Tostudy the three mode (PID) control

Tostudy the tuning of controller (Open loop method) using Zeigler-Nichols method.

Tostudy the stability of the system using the BODE PLOT.

AutoTuning

Technical Detail:

Temperature Transmitter:Input RTD PT-100 (0-100C), output 4-20 mA.

Process tank:Material Stainless Steel,

Heater: NichromeWire Heater, Capacity 1 Kw

Thyristor Controller:Input 4-20mA for heater.

Flow Measurement:Rotameter.

Piping: Size 1/4

Interfacing unit:For input-output communication with auto/manual facility

Micro-processor Controller:PID Setting, auto tuning, fully programmable with serial communication.

Software:For experimentation, PID control, Data logging, trend plot, offline analysisand printing.