What is Two-Wire Control?

Definition

A drive control method where a single sustained signal (switch or contact) controls both start and stop functions. Two-wire control is used when a maintained run command from a PLC or selector switch controls the drive.

Related Terms

Run Command

The control signal or digital input that commands a drive to start the motor and...

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An electronic device that controls the speed and torque of an AC motor by varyin...

Digital Input

A PLC or drive input channel that detects discrete ON/OFF signals from switches,...

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