5 Questions
What problem arises due to frequent changes in the control system of machines?
Frequent changes in the control system of machines result in expensive operations.
Explain the main purpose of designing PLCs.
The main purpose of designing PLCs is to eliminate the large cost involved in replacing the complicated relay based machine control systems.
What led to the introduction of PLCs in the 1960s?
The introduction of PLCs in the 1960s was led by the need to eliminate the large cost involved in replacing complicated relay based machine control systems.
Why does the presence of many relays in a control panel make installation and maintenance difficult?
The presence of many relays in a control panel makes installation and maintenance difficult due to the complex initial wiring and strict maintenance schedules required.
Which company specified the design of PLCs?
The Hydra-matic Division of the General Motors Corporation specified the design of PLCs.
Test your knowledge of PLC fundamentals with this quiz on the evolution of PLC technology from the 1960s to present day. Explore the purpose of PLCs in eliminating the cost of complex relay-based control systems and their role in adapting to changing production requirements.
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