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.