Introduction to electropneumatic

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Introduction to electropneumatic

  1. 1. INTRODUCTION TO ELECTROPNEUMATICAditya@poltekom.ac.id
  2. 2. 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
  3. 3. Definition• Electropneumatic is a system / tools that is worked using the air pressure / air flow but controlled using electrical devicesActuator : PneumaticController : Electric circuit
  4. 4. Comparison Pneumatic Electric Complicated Control Simplicity SimpleUsing > 1 logic valve 1 device (many devices)
  5. 5. Comparison Pneumatic Electric Few Development Many Logic valve TimerStepper module Counter Timer valve Digital logic Counter valve HMI connection Fuzzy control SCADA
  6. 6. ComparisonPneumatic Electric Slow Signal delivery Fast Max Max
  7. 7. Comparison Pneumatic ElectricCylinders Motors, linear motorDirectional valve Transistors/contactors/ relaysLogic valves Op ampsButton valve Button / switchAir pressure Battery
  8. 8. Pneumatic elementsSingle acting cylindersDouble acting cylindersRodless cylinderPneumatic motor
  9. 9. WORKING ELEMENTS / ACTUATING DEVICES Single / double acting cylinder
  10. 10. SINGLE ACTING CYLINDER Forcible surface Spring return DEpressurized chamber Pressurized chamberAir pressure port Exhaust port / / supply port waste port
  11. 11. SINGLE ACTING CYLINDER Forcible surfaceAir pressure port / supply port
  12. 12. 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
  13. 13. DOUBLE ACTING CYLINDER Forcible surfaceAir pressure port / supply port Air pressure port / supply port + Exhaust port / waste port + Exhaust port / waste port
  14. 14. CONTROL ELEMENTS / ACTUATING DEVICES Logic Valves / Directional valves
  15. 15. Two pressure valve
  16. 16. Shuttle valve
  17. 17. M/n valvesM : Number of portsN : Number of direction set / position
  18. 18. Valve nomenclature
  19. 19. Port designation (ISO-5599-3)
  20. 20. Actuation option
  21. 21. Actuation option
  22. 22. Actuation option
  23. 23. Actuation option
  24. 24. Non return valves
  25. 25. Linear actuators
  26. 26. Single acting direct actuating
  27. 27. Double acting direct actuating
  28. 28. Component designation
  29. 29. Component designation
  30. 30. System circuit diagram
  31. 31. Solenoid principles (supply power)
  32. 32. 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)
  33. 33. Electropneumatic elementsSolenoid valvesPE converter (Pneumatic to Electric signal converter)Magnetic proximity switch
  34. 34. Solenoid valves NOn/n valves
  35. 35. Solenoid valves NCn/n valves
  36. 36. Piloted solenoid valvesn/n valves
  37. 37. Piloted solenoid valves zoomn/n valves
  38. 38. Solenoid valves 5/n pilotedn/n valves
  39. 39. Solenoid valves 5/n double solenoid pilotedn/n valves
  40. 40. PE Convertern/n valves
  41. 41. Magnetic proximity switch
  42. 42. Magnetic proximity switch Move cylinder
  43. 43. Electronic elementsSwitchesRelays
  44. 44. Switches
  45. 45. Relays

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