Leeson SCR Thyristor Motor Control Uživatelský manuál stáhnout pdf (Strana 36)

Operation SPEEDMASTER™ OPERATION MANUAL

Line starting and line stopping

Line stopping (removing AC line voltage) is recommended for

infrequent stopping of a drive only. When AC line voltage is

applied to the drive, the motor accelerates to the speed set by

the speed adjust potentiometer. When AC line voltage is

removed, the motor coasts to a stop.

Warning

Decelerating to minimum speed, dynamic braking, inhibit

operation, or coasting to a stop (shorting S1 to S2) is

recommended for frequent starts and stops. Do not use any

of these methods for emergency stopping. They may not

stop a drive that is malfunctioning. Removing AC line power

(both L1 and L2) is the only acceptable method for

emergency stopping.

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Starting and Stopping Methods

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Leeson SCR Thyristor Motor Control Uživatelský manuál Strana 36