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Ralspeed Motor Control System

Questions & Answers

Q7 THE MOTOR DOES NOT SOFT START PROPERLY

Down Arrow STOP
    
Has soft stop been chosen in the USER MENU?

No
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 In order for the motor to 'Soft Stop' correctly the soft stop option has to be set in the USER MENU. See Page 17 Section 5.4 of the manual.
Down Arrow Yes
    
Are the initial and final settings correct?

No
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 The initial and final settings must have values that enable the motor to soft stop correctly without undue stress to the load or motor.
Down Arrow Yes
   
Can the motor\load combination have soft stop applied to it?

No
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 If the motor \load combination is of very low inertia or the run down time is naturally short the soft stop option may not work properly.
Down ArrowYes
    
Is the power supply weak?
Yes
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 If the mains power supply is poor the acceleration current may cause the voltage to 'dip' and consequently the soft starter will lose control of the ramp-down.
Down ArrowNo
    
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