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Ralspeed Motor Control System

Questions & Answers

Q8 THE MOTOR DOES NOT BRAKE STOP PROPERLY

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

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

No
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 The brake volts and time settings must have values that enable the motor to brake stop correctly without undue stress to the load or motor. the ramp time must also be set so that the brake volts are applied gradually.
Down Arrow Yes
   
Can the motor\load combination have brake 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 brake stop option may not work properly or be too severe.
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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