252 Unit Four Control Systems and Maintenance
Review Questions
Write your answers on a separate sheet of paper. Do not write in this book.
1. What is an interface and how does it apply to robotics?
2. List six external devices that can be connected to a robot’s digital
input and output ports.
3. To send digital data from a robot to external equipment at the highest
possible transmission rate, would you use a parallel or a serial port?
Why?
4. Explain the advantages and disadvantages of serial ports.
5. What is a general-purpose interface bus (GPIB)?
6. Identify three operations that may use a robotic vision system.
7. Explain the four functions or phases that take place during image
processing.
Learning Extensions
1. Conduct a Web search to identify vision system manufactures. Review
the system specifi cations and capabilities of three different vision
system products. Create a chart to compare the data gathered for all
three systems and evaluate which qualities make each system unique.