Textbook Problem

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Describe what is meant by sequence control.

To determine

Describe the meaning of sequence control.

Explanation of Solution

Sequence control:

Sequence control is a method of control to activate all the elements in a sequence manner.

This type of control is necessary wherever the activation of an auxiliary component depends on the main components.

In this control method, the starters are connected in a system such that one motor cannot be energized until another one is in operation.

Applications:

• Using in the systems wherever auxiliary equipment is associated with main systems. For example: hydraulic and lubricating oil pumps.
• Using in conveyor systems (subassembly or main line).

Conclusion:

Thus, the meaning of sequence control has been explained.