PLC Based sequential batch process CONTROL system

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ABSTRACTABSTRACT

• PLC USED FOR CONTROLLING PLC USED FOR CONTROLLING SEQUENCE OF OPERATIONS.SEQUENCE OF OPERATIONS.

• TAKES SIGNAL FROM FIELD AND TAKES SIGNAL FROM FIELD AND CONTROLLS PROCESS.CONTROLLS PROCESS.

• PLC PROGRAMMING DONE IN HIGH PLC PROGRAMMING DONE IN HIGH LEVEL LANGUAGELEVEL LANGUAGE

•FACTORY PROGRAMMABLE

INTRODUCTION•EXTENSIVELY USED IN INDUSTRIES

•CONTROLLING PARAMETERS---TEMPERATURE,LEVEL

•BRAIN OF THE SYSTEM

•LADDER DIAGRAM---CONTROLLING SEQUENCE OF ACTIONS

DESIGN OF HARDWARE DESIGN OF HARDWARE OFOF SYSTEMSYSTEM

PROCESS TANK PROCESS TANK

PLCPLC

TEMPERATURE CONTROLLERTEMPERATURE CONTROLLER

LEVEL CONTROLLERLEVEL CONTROLLER

IN LET VALVE CONTROLLERIN LET VALVE CONTROLLER

• OUTLET VALVE CONTROLLEROUTLET VALVE CONTROLLER

• PUMP CONTROLLERPUMP CONTROLLER

• STIRRER MOTOR CONTROLLERSTIRRER MOTOR CONTROLLER

• CONTROL BOXCONTROL BOX

• POWER SUPPLY SECTIONPOWER SUPPLY SECTION

DESIGN OF SOFTWARE OF DESIGN OF SOFTWARE OF THE SYSTEMTHE SYSTEM

• INITIALIZATION AND MONITORING OF POWERINITIALIZATION AND MONITORING OF POWER

• CONTROLLER PROGRAM FOR LEVEL CONTROLCONTROLLER PROGRAM FOR LEVEL CONTROL

• CONTROLLER PROGRAM FOR HEATER CONTROLCONTROLLER PROGRAM FOR HEATER CONTROL

• CONTROLLER PROGRAM FOR STIRRER MOTOR CONTROLLER PROGRAM FOR STIRRER MOTOR CONTROLLERCONTROLLER

• CONTROLLER PROGRAM FOR OUTLET VALVE CONTROLLER PROGRAM FOR OUTLET VALVE CONTROLLERCONTROLLER

• CONTROLLER PROGRAM FOR PUMP CONTROLLERCONTROLLER PROGRAM FOR PUMP CONTROLLER

DESCRIPTIONDESCRIPTION

LEVEL SENSORSLEVEL SENSORS VALVE CONTROLLERSVALVE CONTROLLERS HEATERSHEATERS STIRRER MOTORSTIRRER MOTOR TEMPERATURE SENSING CIRCUITTEMPERATURE SENSING CIRCUIT PUMPPUMP

INTERLOCKSINTERLOCKS

• STIRRER OPERATION---INLET AND OUTLET STIRRER OPERATION---INLET AND OUTLET VALVES VALVES

• OUTLET VALVE OPENED---OUTLET VALVE OPENED---INLETVALVE,STIRRERMOTOR AND HEATERS INLETVALVE,STIRRERMOTOR AND HEATERS REMAINS OFFREMAINS OFF

• PUMP WILL NOT START UNLESS AND UNTILL PUMP WILL NOT START UNLESS AND UNTILL OUTLET VALVE IS IN CLOSED POSITIONOUTLET VALVE IS IN CLOSED POSITION

RESULTS & RESULTS & CONCLUSIONCONCLUSION

PLCSBC--- APPLICATION OF PLC.PLCSBC--- APPLICATION OF PLC.

PLC CHECKS--- WATER LEVEL, PLC CHECKS--- WATER LEVEL, TEMPERATURE,VALVE ACTION,MOTOR TEMPERATURE,VALVE ACTION,MOTOR etc.,etc.,

SAFE RELIABLE &VERSATILE.SAFE RELIABLE &VERSATILE.

COST COMPETETIVE.COST COMPETETIVE.