ABB MD21 - Long Start Protection; Long Start Protection Parameters; Long Start Trip Level (Locked Rotor Level); Long Start Trip Delay

0 5 . PR OT EC T I O N F U N C T I O N S 45
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35 Long start protection
Long start protection
The long start protection protects motor against
locked or stalled rotor in starting state. M10x
detects the current after a start command, and
signals a fault when current continuously exceeds
a separately set threshold of the period of start
time.
Function
Setting range 0=Disabled 1=Enabled
Default value Disabled
Step value 1
Long start trip level (Locked rotor level)
Setting range 120-800%
Default value 120%
Step value 10%
Long start trip delay
Setting range 0-250sec
Default value 10sec
Step value 1sec
Trip reset mode
Setting range 2=Local 3=Remote 4=Remote and Local
Default value 4
Step value 1
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