Industrial Robotics

Business

Quiz 7 :

Automation Sensors

Quiz 7 :

Automation Sensors

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How does an absolute encoder work?
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Absolute optical encoders add enough emitters and receivers,usually four or more in total,to give each position of the encoder its own unique binary address.

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_____________ use a thin membrane,often made of metal in a capsule arrangement,to move the indicator assembly.
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C

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__________ are temperature sensors that work off the principle of a small DC millivoltage generated when the junction of two dissimilar metals are heated.
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A

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_______ are made up of a solid piece of material that manipulates the flow of electrons without any moving parts.
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___________ provide(s) the positive connection or DC voltage to the input module.
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__________ are based on the principle of a linear increase in resistance that occurs when a metal is exposed to heat.
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__________ place a disk or similar shape in the fluid and use the force of the fluid flow to deflect the disk and generate a signal.
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___________ are similar to photo eyes except that they emit and receive sound instead of light.
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What is the difference between a sourcing and a sinking signal?
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_____________ photoelectric sensors place the transmitter and receiver in one assembly and often use something like a bicycle reflector to return the light.
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What is the benefit of disengaging the axes as opposed to the E-stop method of stopping the robot when impact is detected?
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_____________ use a thin-walled,slightly elliptical,cross-sectioned tube bent in a C shape,which is tied directly to the system,to read pressure.
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You are setting up a system to detect if fluid is inside a carton so the robot can pick the empty cartons off the line.Which of the following would work for this task?
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__________ use a propeller-type assembly placed inside the fluid to generate a signal via a magnetic pickup sensor positioned nearby,but outside of the fluid.
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Micro limit switches commonly have an amperage range of ___________.
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_____________ photoelectric sensors separate the transmitter and receiver into different units,placed opposite each other.
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How do thermocouples work?
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When using the amperage draw of the motors to monitor for impact,which of the following statements is true?
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_________________ are devices activated by contact with an object that changes the state of its contacts when the object exerts a certain amount of force.
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_________________use an oscillating magnetic field to detect ferrous metal items.
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