Parker AC890PX Series, Engineering Reference

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C h a p t e r 5 : O p e r a t i n g t h e D r i v e
5-9
AC890PX AC Drive
S P E E D D E M A N D
R E M O T E S E T P O I N T
S p e e d 0 %
R U N i n p u t
R a m p to z e ro s p e e d a t
D E C E L T IM E
R a m p S P E E D T R IM to
z e ro a t S T O P T IM E
S P E E D T R I M
P O W E R
C IR C U IT
D IS A B L E D
S T O P D E L A Y
Figure 3.4
Ramp to Stop with a Remote Reference
SPEED DEMAND
REMOTE SETPOINT
Speed 0%
RUN input
Ram p SPEED DEM AND
to zero at STOP TIM E
SPEED TRIM
POW ER
CIRCUIT
DISABLED
STOP DELAY
Figure 3.5
Remote to Stop with a Remote Reference: DECEL TIME = 0.0s
A special case exists when the DECEL TIME is set to 0.0 seconds, or when the HOLD parameter is TRUE. In both these
situations the SPEED DEMAND will ramp down to zero at the STOP TIME.