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A p p e n d i x D : P r o g r a m m i n g
D-143
AC890PX AC Drive
SPEED FBK TRIP
SETUP::TRIPS::SPEED FBK TRIP
CLOSED-LOOP VEC Motor Control Mode only.
The
speed feed back trip operates by looking at speed error and comparing it against THRESHOLD.
If the error exceeds this threshold for a period greater than DELAY, then a trip is triggered. The trip is only active while the drive is operating in
Closed-Loop Vector Control and not in Autotune. When using the drive in torque control, this trip should be disabled to prevent nuisance tripping
by setting INHIBIT to TRUE.
Torque control is defined as operating in torque or current limit, or if the TORQ DMD ISOLATE parameter in the SPEED LOOP function block is
TRUE.
Parameter Descriptions
INHIBIT
PREF: 115.01
Default: FALSE
Range: FALSE / TRUE
Set this parameter to TRUE to disable the speed feedback trip.
THRESHOLD
PREF: 115.02
Default: 50.00 %
Range: 0.00 to 300.00 %
Sets a threshold below which the trip will not operate. The value of THRESHOLD is compared to the value of SPEED ERROR (from the SPEED
LOOP function block).
DELAY
PREF: 115.03
Default: 10.00 %
Range: 0.00 to 10.00 s
Sets the time the trip must be present for before a trip is triggered.
TRIPPED
PREF: 115.04
Default: FALSE
Range: FALSE / TRUE
This is a diagnostic output indicating the current state of the speed feedback trip.
Содержание AC890PX Series
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Страница 12: ...1 4 C h a p t e r 1 G e t t i n g S t a r t e d AC890PX AC Drive...
Страница 17: ...C h a p t e r 2 P r o d u c t O v e r v i e w 2 5 AC890PX AC Drive 890PX bottom wire entry...
Страница 22: ...2 10 C h a p t e r 2 P r o d u c t O v e r v i e w AC890PX AC Drive...
Страница 74: ...4 8 C h a p t e r 4 A s s o c i a t e d E q u i p m e n t AC890PX AC Drive...
Страница 96: ...5 22 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 AC890PX AC Drive...
Страница 162: ...8 22 C h a p t e r 8 T r i p s F a u l t F i n d i n g AC890PX AC Drive...
Страница 170: ...9 8 C h a p t e r 9 R o u t i n e M a i n t e n a n c e R e p a i r AC890PX AC Drive...
Страница 286: ...D 84 A p p e n d i x D P r o g r a m m i n g AC890PX AC Drive Functional Description...