Abstract
T h e e l e c t r i c e l e v a t o r i s t h e m e a n s o f t r a n s p o r t a t i o n d a i l y l i f e
i n t e r w o v e n n e s s t h a t t h e p e r p e n d i c u l a r i t y r u n s i n b u i l d i n g g r o u p b u i l d i n g
already with people. That the electric elevator is that the call sign waits to
work according t o the o u t side a s w ell a s o n esel f c o ntrol s law in f a ct, b u t
call for is random , the electric elevator is that one people machine is each
other dyadic in fact control system , the selections controlling the be to be
a b l e t o n o t b e s a t i s " e d w i t h c o n t ro l l i n g c a l l f o r ' s , t h i s t h e s i s e x c l u s i v e l y
with sequential control or the logic adopt programming controller (PLC) to
substitute PC realizing signal collection controls.
P L C r e l i a b i l i t y h e i g h t , p r o g r a m m i n g g o e s t o t h e l a v a t o r y n i m b l y , t h e
anti-interference ability strong , runs stability , the advanced characteristic
o f r e l i a b i l i t y , a d o p t t o c o m e t o c o m e t r u e p r o g r a m m i n g c o n t r o l l e r ( P L C )
therefore lift control now system is broad. In electric elevator navar, adopt
the system that PLC composes , have reliability height , malfunction rates
l o w , b e m a i n t a i n e d w a i t i n g f o r m e r i t c o n v e n i e n t l y . S y s t e m d e s i g n s t h e
c o n t r o l d e v i c e b e i n g t o a d o p t M i t s u b i s h i P L C ( F X - 1 s ) t o b e t h e e l e c t r i c
elevator model.
Demonstration , that system can describe the electric elevator structure
m o r e p e n e t r a t i n g , c o m b i n e e l e c t r i c e l e v a t o r m e c h a n i c a l d r i v e e l e c t r i c
c o n t r o l o r g a n i c a l l y d e m o n s t r a t e t h e e l e c t r i c e l e v a t o r s i g m a t i s m f u n c t i o n
m o r e a l l - r o u n d ; B y r e v i s i n g P L C u n d e r t h e c o n t r o l o f p r o c e d u r e , m a y o n
that model, realize various electric elevator operation, under the control of
way, not only being able to be experiment equipment, also may simulate
platform for the electric elevator scienti"c research has provided one
KEY WORD PLC Electric elevator Mitsubishi PLC
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