Encoder Sensor
Encoder Sensor testpassport PD1-001 exam real questions PDI+ PD1-001 Q&A are created by senior IT lecturers in testpassport certification Q&A network and PDI+ product experts combination PROM...
Encoder Sensor
testpassport PD1-001 exam real questions
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1. Which of the following functions is associated with the developer unit?
A.Supplies toner to the photoconductor
B.Charges the surface of the photoconductor
C.Writes the latent image on the photoconductor
D.Cleans the photoconductor
Answer: A
2. An encoder sensor typically detects:
A.paper position.
B.shaft rotation.
C.magnetic flux.
D.laser beam strength.
Answer: B
3. The customer has a dedicated ink jet fax machine that is used to send and receive faxes only from the
corporate office. The user complains of streaks on the received faxes while the internal self-prints are fine.
Which of the following should a technician recommend?
A.Clean the scanner glass on the distant machine.
B.Clean the scanner glass on the local machine.
C.Clean the printer head on the local machine.
D.Call the telephone company to increase the line signal level.
Answer: A
4. Which of the following stages in the laser print process attracts toner to the latent image on the
photoconductor?
A.Writing
B.Fusing
C.Development
D.Transfer
Answer: C
5. Which of the following would be the BEST process for the technician to follow when beginning to
diagnose a unit at a customers site?
A.Check the printers error log, and then inform the primary user what the issue is.
B.Go directly to the printer and investigate any issues that are found.
C.Investigate the printers status, then ask the primary user to write down what they think is wrong.
D.Gather information from the primary user, and then evaluate the printers condition.
Answer: D
6. Which of the following utilities could be used to determine a subnet mask?
A.PING
B.NSLOOKUP
C.TRACERT
D.IPCONFIG
Answer: D
7. How many CCDs are located in a single pass duplex ADF?
A.One
B.2
C.3
D.4
Answer: B
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Industrial Digital Encoders – Paving the Way for Mechanical Excellence
Digital encoders are industrial and mechanical systems which convert the angular cycles of industrial equipment to make sure their performances are precise and without disturbance. These encoders come in absolute and incremental forms. Used to be,, there were rotary binary encoders that convert angular and rotational information into binary code.
The most common kinds of digital encoders would be: the optical encoders, the magnetic shaft or rotary encoders, and the metric incremental encoder.
Absolute encoders report the absolute position instead of the incremental or changes in the position of the shafts in an industrial equipment. The encoder follows a 32-bit counter and a microcontroller converts the position into images transmitted to a receiving device. The optical rotational encoders make sure applications run smoothly and does not need a PC interface.
Magnetic shaft encoders report the position of the shaft on a 360 degree basis. Output is available at 10-bit and 12-bit resolutions, and shaft speed is at a maximum of 100 RPM in continuous motion.
Incremental encoders used in mechanical or optical systems produce two outputs instead of one like the absolute encoders; these are the mechanical and optical outputs. Car stereos normally make use of incremental encoders to operate the volume of the speakers. These encoders come available with up to 10,000 counts per turn and use two sensors to ensure precision.
These and all encoders can be used for robotics, photographic lenses, valves, gates and a lot more industrial equipment. They ensure that certain equipment work as smoothly as possible and allow accuracy and precision in the rotations necessary for industrial equipment to operate and deliver outstanding performance.
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