User Manual of SY5000 series AC Drive Parameter instrction
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b-034 DC braking voltage
DC braking function can make the motor stop during the motor decel. It displays
“dC.on”when DC braking. When both of b-031 and b-032 are not 0, DC braking
function is enabled during decel. Parameter of b-033 is the frequency when DC
braking starts during decel.
If b-031=0.0 or b-032 = 0, DC braking function is inenabled when stop. All
keypad signals are inenabled during DC braking. Braking progress is shown in below
figure. DC braking voltage is determined by the setting value of b-034.
Must add DC braking and make leaf blades completely static, because leaf
blades may not completely stop rotating before running in fan loads. At this time, set
the value of b-040 according to different loads. If it is used for pump loads, no need
DC braking before start running. At this time, make sure b-040= 0.0, namely no DC
braking before start.