Podcast
Questions and Answers
What is the primary function of a sensor?
What is the primary function of a sensor?
- Convert observable signals into a measurable attribute
- Measure a measurable attribute and convert it into a signal (correct)
- Interpret signals from an observer
- Produce light signals for detection
Which type of sensors must have physical contact with the object being sensed?
Which type of sensors must have physical contact with the object being sensed?
- Digital sensors
- Mechanical sensors
- Non-contact sensors (correct)
- Analog sensors
What is a characteristic of digital sensors?
What is a characteristic of digital sensors?
- Provide a continuous range of voltage or current
- Operate based on transistor outputs (correct)
- Require physical contact with the object being sensed
- Have slower response times than mechanical devices
Which media are commonly used for sensing in digital sensors?
Which media are commonly used for sensing in digital sensors?
What components are typically used when employing light to sense objects?
What components are typically used when employing light to sense objects?
In the context of sensors, what is the purpose of pulsing the emitter?
In the context of sensors, what is the purpose of pulsing the emitter?
How are industrial sensors typically categorized?
How are industrial sensors typically categorized?
What distinguishes non-contact sensors from contact sensors?
What distinguishes non-contact sensors from contact sensors?
What type of sensor is able to differentiate between colors?
What type of sensor is able to differentiate between colors?
Which type of optical sensor uses a special reflector with small prisms to polarize light?
Which type of optical sensor uses a special reflector with small prisms to polarize light?
What characterizes an optical sensor known as Focal Length Sensor?
What characterizes an optical sensor known as Focal Length Sensor?
In which type of optical sensor is the emitter on when the receiver cannot detect the beam from the emitter?
In which type of optical sensor is the emitter on when the receiver cannot detect the beam from the emitter?
Which optical sensor is not able to sense transparent objects?
Which optical sensor is not able to sense transparent objects?
What distinguishes an Optical Sensor with a fiber-optic cable attached?
What distinguishes an Optical Sensor with a fiber-optic cable attached?
What type of sensors are used to detect ferrous objects?
What type of sensors are used to detect ferrous objects?
Which type of encoders provide more resolution than absolute encoders?
Which type of encoders provide more resolution than absolute encoders?
What is the main difference between absolute and incremental encoders?
What is the main difference between absolute and incremental encoders?
Which type of sensor uses a beam of ultrasonic sound as a sonar system?
Which type of sensor uses a beam of ultrasonic sound as a sonar system?
What is the purpose of a mask with opaque lines on a transparent disk in encoders?
What is the purpose of a mask with opaque lines on a transparent disk in encoders?
How do inductive proximity sensors detect ferrous objects?
How do inductive proximity sensors detect ferrous objects?
What happens when an object acts as the second plate of a capacitor in capacitive proximity sensors?
What happens when an object acts as the second plate of a capacitor in capacitive proximity sensors?
What is the main advantage of incremental encoders over absolute encoders?
What is the main advantage of incremental encoders over absolute encoders?
In a load powered sensor wiring scheme, how is the circuit completed?
In a load powered sensor wiring scheme, how is the circuit completed?
Which type of sensor is a Sourcing type (PNP sensor) in line powered wiring?
Which type of sensor is a Sourcing type (PNP sensor) in line powered wiring?
How many wires are there in a line powered sensor wiring scheme?
How many wires are there in a line powered sensor wiring scheme?
What is an important consideration when using load powered sensors?
What is an important consideration when using load powered sensors?
Which wire of a load powered sensor is connected to power?
Which wire of a load powered sensor is connected to power?
What is the function of the second wire in a load powered sensor wiring scheme?
What is the function of the second wire in a load powered sensor wiring scheme?
Which type of sensor allows current flow from load to sensor in line powered wiring?
Which type of sensor allows current flow from load to sensor in line powered wiring?
What differentiates a Sourcing type (PNP sensor) from a Sinking type (NPN sensor) in line powered wiring?
What differentiates a Sourcing type (PNP sensor) from a Sinking type (NPN sensor) in line powered wiring?
