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5.10 Motor Speed cannot be Changed
Modify the setting
Revision May 2009, 00DE, V0.50
| BLD-E1 Series
Motor c an run but
cannot change s peed
Check if the setting of the
Yes
max. s peed is too low
No
Check to see i f speed is
out of r ange (upper/lower)
boundar ies
No
Check if the wiri ng between
MI1~MI6 to DCM i s c or rect
Yes
Check if speed for
each s tep is differ ent
Yes
No
Check if accel ./decel.
time is s et corr ectly
Yes
Please set s ui table
accel./decel. time by
load iner ti a
Maybe br ushless DC motor dr ive has malfunction or
misoper ation due to noise. P lease c ontact DELT A.
Yes
Modify the setting
Pr es s UP/DOW N key
to see if speed has
any change
If there i s any change
of the s ignal that sets
frequency (0-10V and
4-20mA)
No
Check if the wiri ng of
No
external ter minal is c or rect
Correc t
wir ing
Change defec tiv e
No
potentiometer
Change speed setting
Yes
Yes
No
Yes
5-7
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