CHPT 4 -Electro-Pneumatic

•Open @ close

  when their

  corresponding coils

  are energized

• Use low voltage

  therefore can

  protect operator

Based on the statement above, it mention about what type of device ?

• Timer

• Relay

• Push Button

• Solenoid

Which of the following answer it illustrate the symbol of ON Delay Timer Contact

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What type of optical sensor does this symbol represent?

• Inductive Sensor

• Through Beam Sensor

• Retro Reflective Sensor

• Diffuse Reflective Sensor

Based on Figure, convert the pneumatic circuit to electro-pneumatic circuit by developing the electrical circuit diagram based on AND Function Circuit in indirect method. To extend the cylinder, it was to use two (2) inputs element of Momentary Switch type. 

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Which of the following circuits illustrates the application of an OFF delay timer circuit?

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