CASE STUDY (ENG) - Modbus Communication Protocols

The goal of this system is having a very extended registry of the users' body temperature so that the statistical control and the end of the Coronavirus are nearer. To achieve this, Industrial Shields equipment will be used.

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2. C A S E S T U D Y G O A L T h e o b j e c t i v e o f t h e s y s t e m w e d e s i g n e d i s t o b e a b l e t o h a v e a v e r y e x t e n d e d r e g i s t r y o f t h e b o d y t e m p e r a t u r e , a t w o r l d - w i d e l e v e l i f i t i s p o s s i b l e , s o t h a t t h e s t a t i s t i c a l c o n t r o l a n d t h e e n d o f t h e C o r o n a v i r u s c a n b e n e a r e r . T o a c h i e v e t h i s , w e a r e g o i n g t o u s e t h e I n d u s t r i a l S h i e l d s e q u i p m e n t . C O N C L U S I O N ( H A R D W A R E ) T h e T Q S 3 - M t h e r m o m e t e r w i l l b e t h e f i r s t t h i n g u s e d , b y m e a s u r i n g t h e t e m p e r a t u r e t o t h e u s e r s . T h e t h e r m o m e t e r w i l l s e n d t h e u s e r s ' t e m p e r a t u r e d a t a t o t h e I n d u s t r i a l S h i e l d s P L C s v i a M o d b u s R T U , w h i c h i s a b i n a r y c o m m u n i c a t i o n p r o t o c o l w i t h a c o n t i n u o u s f l o w . A f t e r t h i s , t h e c o n t r o l l e r s w i l l u s e t h e s a m e c o m m u n i c a t i o n p r o t o c o l t o f o r w a r d t h e d a t a t o t h e m a i n c o n t r o l l e r . A n e w c o m m u n i c a t i o n p r o t o c o l w i l l b e u s e d f r o m t h e m a i n P L C . T h i s w i l l b e M o d b u s T C P / I P , w h i c h r e a c h e s t h e d e v i c e s t h r o u g h t h e E t h e r n e t n e t w o r k . T h e o p e r a t i o n o f t h i s p r o t o c o l i s v e r y s i m i l a r t o t h e R T U o n e , b u t i t u s e s t h e T C P ( T r a n s m i s s i o n C o n t r o l P r o t o c o l ) a n d t h e I P ( I n t e r n e t P r o t o c o l ) . T h e m a i n I n d u s t r i a l S h i e l d s c o n t r o l l e r w i l l s e n d t h e d a t a t o a n E t h e r n e t h u b t h a t w i l l b e c o n n e c t e d t o a S e r v e r s y s t e m a n d a P a n e l P C , a l s o f r o m I n d u s t r i a l S h i e l d s . O n t h e o n e h a n d , t h e S e r v e r s y s t e m w i l l w o r k a s a c l o u d s t o r a g e a n d w i l l b e r e a d y t o s t o r e a l l t h e u s e r s ' t e m p e r a t u r e d a t a . O n t h e o t h e r h a n d , t h e P a n e l P C w i l l b e a v i s i b l e i n t e r f a c e f o r t h e i n s t r u c t i o n s t h a t t h e m a i n P L C ( m a s t e r ) m o n i t o r s a n d / o r t h e d a t a t h a t i t r e c e i v e s f r o m t h e o t h e r P L C s ( s l a v e s ) . F à b r i c a d e l P o n t 1 - 1 1 · ( R e c i n t e i n d u s t r i a l d e l P o n t V e l l ) · 0 8 2 7 2 , S a n t F r u i t ó s d e B a g e s ( B a r c e l o n a ) · S p a i n i n f o @ i n d u s t r i a l s h i e l d s . c o m • w w w . i n d u s t r i a l s h i e l d s . c o m

1. O p e n s o u r c e c o d e a n d n o l i c e n s e f e e r e q u i r e d . W i d e l y s u p p o r t e d b y H M I s a n d / o r S C A D A s o f t w a r e . E a s y t o u s e . V a r i o u s i n d u s t r i a l e q u i p m e n t c a n b e e a s i l y i n t e g r a t e d . L o w d e v e l o p e m e n t c o s t . W i d e l y k n o w n i n t h e i n d u s t r y . I n a w o r l d w h e r e m o s t t h i n g s a r e m o n i t o r e d b y t e c h n o l o g y , y o u c a n n o t b e l e f t b e h i n d . C o r o n a v i r u s h a s b e e n l i v i n g w i t h u s f o r t h e l a s t s i x m o n t h s a n d s t i l l h a s t i m e l e f t , s o e v e r y l i t t l e s t e p t o o v e r c o m e i t c o u n t s . T h i s i s w h e r e M o d b u s c o m m u n i c a t i o n p r o t o c o l s t a k e o v e r c o n t r o l a n d h e l p s u s h u m a n s t o m a k e d a t a t r a v e l a r o u n d t h e w o r l d . T h e r e a r e t w o m a i n M o d b u s p r o t o c o l s a n d b o t h p l a y a n i m p o r t a n t r o l e i n t h e ¡ d a t a t r a n s f e r i n g w o r k , f u r t h e r m o r e , t h e y w o r k t o g e t h e r . T h e s e c o m m u n i c a t i o n p r o t o c o l s a r e i n c l u d e d i n o u r A r d u i n o b a s e d c o n t r o l l e r s a n d t h e y w o r k w i t h E t h e r n e t , a c o n n e c t i o n t h a t o u r P L C s a l s o h a v e . T h e b e n e f i t s o f u s i n g t h e s e t w o M o d b u s p r o t o c o l s a r e : S U M M A R Y C A S E S T U D Y I N D U S T R I A L S H I E L D S MODBUS COMMUNICATION PROTOCOLS ALSO FIGHT THE COVID-19 T h e u s e o f t o d a y ' s t e c h n o l o g y i s a v e r y e f f e c t i v e a n d f a s t w a y t o m a k e i n f o r m a t i o n f l o w e v e r y w h e r e i n a s h o r t t i m e . T h e M o d b u s c o m m u n i c a t i o n p r o t o c o l b y M o d i c o n i s a w o r l d w i d e e x t e n d e d p r o t o c o l t h a t w a s b o r n i n 1 9 7 9 . T h e t w o m o s t c o m m o n t y p e s o f i t a r e M o d b u s R T U a n d M o d b u s T C P / I P .

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