Podcast
Questions and Answers
What is the main difference between digital and analog sensors?
What is the main difference between digital and analog sensors?
- Analog sensors are more reliable than digital sensors.
- Digital sensors can only be used for non-contact sensing, while analog sensors require physical contact.
- Digital sensors have transistor outputs while analog sensors have a continuous range of voltage or current. (correct)
- Analog sensors are faster than digital sensors.
What are the media used for sensing in digital sensors?
What are the media used for sensing in digital sensors?
- Light, sound, electric field (correct)
- Temperature, vibration, force
- Heat, pressure, humidity
- Magnetic field, radio waves, infrared
In optical sensors, what is the most common type of light used for sensing objects?
In optical sensors, what is the most common type of light used for sensing objects?
- Infrared light (correct)
- Ultraviolet light
- X-ray light
- Visible light
What is the primary purpose of pulsing the emitter in optical sensors?
What is the primary purpose of pulsing the emitter in optical sensors?
In what context would a dark sensing optical sensor be more suitable compared to a light sensing one?
In what context would a dark sensing optical sensor be more suitable compared to a light sensing one?
How do contact sensors differ from non-contact sensors in terms of operation?
How do contact sensors differ from non-contact sensors in terms of operation?
'Diffuse reflective' sensors are more useful for what type of surfaces?
'Diffuse reflective' sensors are more useful for what type of surfaces?
'Diffuse reflective' sensors work well with what kind of objects?
'Diffuse reflective' sensors work well with what kind of objects?
What is the main difference between Absolute and Incremental Encoders?
What is the main difference between Absolute and Incremental Encoders?
How do Inductive Proximity Sensors work?
How do Inductive Proximity Sensors work?
Why are Capacitive Proximity Sensors used?
Why are Capacitive Proximity Sensors used?
What is the purpose of Ultrasonic Sensors?
What is the purpose of Ultrasonic Sensors?
How do Electric Field Sensors work?
How do Electric Field Sensors work?
Which statement about Range of Proximity Sensors is true?
Which statement about Range of Proximity Sensors is true?
What is a characteristic of Diffuse Reflective Sensors?
What is a characteristic of Diffuse Reflective Sensors?
What type of disk does an Absolute Encoder typically use for position representation?
What type of disk does an Absolute Encoder typically use for position representation?
How many wires are typically used in load powered sensors?
How many wires are typically used in load powered sensors?
Which type of sensor has two power leads and an output lead in line powered sensors?
Which type of sensor has two power leads and an output lead in line powered sensors?
In line powered sensors, what does a sourcing type sensor do?
In line powered sensors, what does a sourcing type sensor do?
Which type of sensor is more suitable for sensing transparent objects?
Which type of sensor is more suitable for sensing transparent objects?
What completes the circuit in load powered sensors?
What completes the circuit in load powered sensors?
Which is a characteristic of three wire line powered sensors?
Which is a characteristic of three wire line powered sensors?
What is the main difference between sourcing and sinking type sensors in line powered systems?
What is the main difference between sourcing and sinking type sensors in line powered systems?
Why are light sensing sensors preferred over dark sensing sensors for some applications?
Why are light sensing sensors preferred over dark sensing sensors for some applications?
What type of optical sensor can differentiate between colors?
What type of optical sensor can differentiate between colors?
Which type of sensor can sense shiny objects using small prisms to polarize light?
Which type of sensor can sense shiny objects using small prisms to polarize light?
In which type of optical sensor is the receiver on when it cannot detect the beam from the emitter?
In which type of optical sensor is the receiver on when it cannot detect the beam from the emitter?
What kind of optical sensor emits light across a space and senses the light when not blocked by an object?
What kind of optical sensor emits light across a space and senses the light when not blocked by an object?
Which optical sensor emits light to a specific focal point and senses the reflected light from that point?
Which optical sensor emits light to a specific focal point and senses the reflected light from that point?
What is a characteristic of optical sensors that use fiber-optic cables?
What is a characteristic of optical sensors that use fiber-optic cables?
Which optical sensor type cannot sense transparent objects?
Which optical sensor type cannot sense transparent objects?
