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escuelasuperiorpolite cnicadechimborazo - DSpace ESPOCH

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C A R A C T E R I S T I C A S RS- 422 RS- 485<br />

M o d o d e o p e r a c i ó n D i f e r e n c i a l D i f e r e n c i a l<br />

N o . P e r m i t i d o d e T x y R x 1 T x , 1 0 R x 3 2 T x 3 2 R x<br />

M á x i m a l o n g i t u d d e l c a b l e 4 0 0 0 f t 4 0 0 0 f t<br />

M á x i m a t a z a d e d a t o s 1 0 M b p s 1 0 M b p s<br />

M í n i m o r a n g o s a l i d a d r i v e r ± 2 V ± 1 . 5 V<br />

M á x i m o r a n g o s a l i d a d r i v e r ± 5 V ± 5 V<br />

M á x i m a c o r r i e n t e c o t o - c i r c u i t o d r i v e r 1 5 0 m A 2 5 0 m A<br />

I m p e d a n c i a d e c a r g a T x 100 54<br />

S e n c i b i l i d a d e n t r a d a R x ± 2 0 0 m V ± 2 0 0 m V<br />

M á x i m a r e s i s t e n c i a e n t . R x 4K 12K<br />

R a n g o v o l t . E n t r a d a R x ± 7 V - 7 V t o + 1 2 V<br />

U n o L ó g i c o R x > 2 0 0 m V > 2 0 0 m V<br />

C e r o l ó g i c o R x < 2 0 0 m V < 2 0 0 m V<br />

T a b l a 3 . 3 R S - 4 8 5 a n d R S - 4 2 2 S t a n d a r d s<br />

E s b a s t a n t e s im p le c o n v e r t ir u n a R S - 2 3 2 a R S - 4 8 5 o v ic e v e r s a . E n la f ig u r a 3 .9<br />

s e v e u n o d e e s t o s c ir c u it o s d e c o n v e r s ió n b a s a d o e n e l M A X - 232.<br />

F i g u r a 3 . 9 C o n v e r s i ó n R S - 2 3 2 a R S - 485.<br />

E n la f ig u r a 3 . 1 0 s e m u e s t r a u n c ir c u it o t í p ic o q u e p e r m it e e n la z a r u n a P C c o n u n<br />

m ic r o c o n t r o la d o r e m p le a n d o R S - 485.<br />

F i g u r a 3 . 1 0 E n l a c e e n t r e u n a P C y u n m i c r o c o n t r o l a d o r .<br />

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