Leeson PWM DC Control: 174299 Instrukcja Użytkownika Pobierz pdf (Strona 18)

Starting and stopping methods

Frequent decelerating to minimum speed produces high torque. This may cause damage to motors,

especially gear motors that are not properly sized for the application.

WARNING

Decelerating to minimum speed, braking or coasting to a stop 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 the DC power to the drive is the only accept-

able method for emergency stopping.

If the enable switch is closed all drives will automatically run to set speed when power is applied.

Automatic restart upon power restoration

Line starting and line stopping (applying and removing DC voltage input) is recommended for infre-

quent starting and stopping of a drive only. When DC voltage input is applied to the drive, the motor

accelerates to the speed set by the speed adjust potentiometer. When DC voltage input is removed,

the motor coasts to a stop.

Line starting and line stopping

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Leeson PWM DC Control: 174299 Instrukcja Użytkownika Strona 18