Electrical Engineering · Programmable Logic Controllers
Which of the following is a key characteristic of modular PLCs?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1All components are integrated into a single, unalterable chassis
- 2They can be easily expanded using additional input/output modules✓
- 3They contain no provision for a separate external power supply
- 4They are ideal for extremely small, fixed applications only
Correct answer
They can be easily expanded using additional input/output modules
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