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Introduction to electropneumatic
Electropneumatic systems combine pneumatic actuators and controllers with electric control circuits. Pneumatic actuators include cylinders, motors, and valves, which are powered by compressed air. However, the electric control circuits use electrical components like switches, relays, and programmable logic controllers to control the flow of compressed air and automate pneumatic processes. While pneumatic systems can be complicated to control, electropneumatic systems simplify control with digital electric signals regulating complex pneumatic circuits and multiple actuators.
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Introduction to electropneumatic
- 1. INTRODUCTION TO ELECTROPNEUMATIC Aditya@poltekom.ac.id
- 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 UAS Aditya@poltekom.ac.id
- 3. Definition • Electropneumatic isa system / tools that is worked using the air pressure / air flow but controlled using electrical devices Actuator : Pneumatic Controller : Electric circuit
- 4. Comparison Pneumatic Electric Complicated Control Simplicity Simple Using > 1 logic valve 1 device (many devices)
- 5. Comparison Pneumatic Electric Few Development Many Logic valve Timer Stepper module Counter Timer valve Digital logic Counter valve HMI connection Fuzzy control SCADA
- 6. Comparison Pneumatic Electric Slow Signal delivery Fast Max Max
- 7. Comparison Pneumatic Electric Cylinders Motors, linear motor Directional valve Transistors/contactors/ relays Logic valves Op amps Button valve Button / switch Air pressure Battery
- 9. Pneumatic elements Single actingcylinders Double acting cylinders Rodless cylinder Pneumatic motor
- 10. WORKING ELEMENTS /ACTUATING DEVICES Single / double acting cylinder
- 11. SINGLE ACTING CYLINDER Forcible surface Spring return DEpressurized chamber Pressurized chamber Air pressure port Exhaust port / / supply port waste port
- 12. SINGLE ACTING CYLINDER Forcible surface Air pressure port / supply port
- 13. DOUBLE ACTING CYLINDER Forcible surface Spring return DEpressurized chamber Pressurized chamber Air pressure port / supply port Air pressure port / supply port + Exhaust port / waste port + Exhaust port / waste port
- 14. DOUBLE ACTING CYLINDER Forcible surface Air pressure port / supply port Air pressure port / supply port + Exhaust port / waste port + Exhaust port / waste port
- 15. CONTROL ELEMENTS /ACTUATING DEVICES Logic Valves / Directional valves
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- 18. M/n valves M : Number of ports N : Number of direction set / position
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- 34. 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)
- 35. Electropneumatic elements Solenoid valves PEconverter (Pneumatic to Electric signal converter) Magnetic proximity switch
- 36. Solenoid valves NO n/nvalves
- 37. Solenoid valves NC n/nvalves
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- 39. Piloted solenoid valveszoom n/n valves
- 40. Solenoid valves 5/npiloted n/n valves
- 41. Solenoid valves 5/ndouble solenoid piloted n/n valves
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- 44. Magnetic proximity switch Move cylinder
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