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Introduction to electropneumatic
 

Introduction to electropneumatic

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    Introduction to electropneumatic Introduction to electropneumatic Presentation Transcript

    • INTRODUCTION TO ELECTROPNEUMATICAditya@poltekom.ac.id
    • KONTRAK PERKULIAHAN 1. Laporan praktikum pada tiap akhir praktikum 2. Laporan praktikum yang diakui adalah laporan praktikum yang menggunakan tulisan tangan (handwriting) 3. Laporan praktikum berisikan tentang : A. Diagram langkah (motion displacement diagram) B. Electric circuit C. Pneumatik circuit D. Component description 4. Tugas paper (makalah) dibebankan kepada mahasiswa yang mendapatkan nilai D dan E pada UTS dan atau UASAditya@poltekom.ac.id
    • Definition• Electropneumatic is a system / tools that is worked using the air pressure / air flow but controlled using electrical devicesActuator : PneumaticController : Electric circuit
    • Comparison Pneumatic Electric Complicated Control Simplicity SimpleUsing > 1 logic valve 1 device (many devices)
    • Comparison Pneumatic Electric Few Development Many Logic valve TimerStepper module Counter Timer valve Digital logic Counter valve HMI connection Fuzzy control SCADA
    • ComparisonPneumatic Electric Slow Signal delivery Fast Max Max
    • Comparison Pneumatic ElectricCylinders Motors, linear motorDirectional valve Transistors/contactors/ relaysLogic valves Op ampsButton valve Button / switchAir pressure Battery
    • Pneumatic elementsSingle acting cylindersDouble acting cylindersRodless cylinderPneumatic motor
    • WORKING ELEMENTS / ACTUATING DEVICES Single / double acting cylinder
    • SINGLE ACTING CYLINDER Forcible surface Spring return DEpressurized chamber Pressurized chamberAir pressure port Exhaust port / / supply port waste port
    • SINGLE ACTING CYLINDER Forcible surfaceAir pressure port / supply port
    • DOUBLE ACTING CYLINDER Forcible surface Spring return DEpressurized chamber Pressurized chamberAir pressure port / supply port Air pressure port / supply port + Exhaust port / waste port + Exhaust port / waste port
    • DOUBLE ACTING CYLINDER Forcible surfaceAir pressure port / supply port Air pressure port / supply port + Exhaust port / waste port + Exhaust port / waste port
    • CONTROL ELEMENTS / ACTUATING DEVICES Logic Valves / Directional valves
    • Two pressure valve
    • Shuttle valve
    • M/n valvesM : Number of portsN : Number of direction set / position
    • Valve nomenclature
    • Port designation (ISO-5599-3)
    • Actuation option
    • Actuation option
    • Actuation option
    • Actuation option
    • Non return valves
    • Linear actuators
    • Single acting direct actuating
    • Double acting direct actuating
    • Component designation
    • Component designation
    • System circuit diagram
    • Solenoid principles (supply power)
    • Solenoid principles (Coil & core)When an electric current flows through a coil, a magnetic field is generated.The following applies to strengthen the magnetic field: 1. Increasing the number of windings (1loop, 2 loop, 3 loop, etc) 2. Increasing the strength of the current (1 A, 2A, etc)The following applies to the weaken the magnetic field: 1. Lengthening the coil reduces the field. (the soft iron core length)
    • Electropneumatic elementsSolenoid valvesPE converter (Pneumatic to Electric signal converter)Magnetic proximity switch
    • Solenoid valves NOn/n valves
    • Solenoid valves NCn/n valves
    • Piloted solenoid valvesn/n valves
    • Piloted solenoid valves zoomn/n valves
    • Solenoid valves 5/n pilotedn/n valves
    • Solenoid valves 5/n double solenoid pilotedn/n valves
    • PE Convertern/n valves
    • Magnetic proximity switch
    • Magnetic proximity switch Move cylinder
    • Electronic elementsSwitchesRelays
    • Switches
    • Relays