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Detección y expulsión de botellas defectuosas.

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Automatización de una empresa de cerveza: detección y expulsión de botellas defectuosas, REPRESENTACIÓN DEL SOFTWARE DEL PLC MEDIANTE DIAGRAMA DE CONTACTOS PARA AUTÓMATA OMRON, REPRESENTACIÓN DEL SOFTWARE DEL PLC MEDIANTE LISTA DE INSTRUCCIONES PARA AUTÓM

Agregado: 29 de AGOSTO de 2000 (Por ) | Palabras: 1996 | Votar! |
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Categoría: Apuntes y Monografías > Electrónica >
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    Problema

    Automatización de una empresa de cerveza: detección y expulsión de botellas defectuosas

    Problema 2

    Automatización de una empresa de cerveza para detección y expulsión de botellas defectuosas.

    Proceso:

    He incluido un sensor Dr para el robot para saber cuando ha dado una vuelta completa aunque no haría falta.

    La cinta A se activará cuando pulsemos Marcha y enclavándola y no-stop.

    Cuando detecta una botella defectuosa la guardaremos en una báscula (función Keep), reseteándola cuando detecte una botella en S1.

    Tendremos un SFT (registro de desplazamiento), el cual en IN estará el resultado de la báscula anterior y el contador será de nuevo S1. La resetearemos  al principio de ejecución del programa (1815) o cuando una vez el robot haya cambiado de cinta vuelva a su posición inicial (flanco de subida de Dr). Cada vez que llegue un pulso en IN y la báscula tenga un 1 , tendremos en el canal 200 la orden de activación del robot.

    El robot se activará mediante el canal 200 y en posición inicial (Dr), dejando de funcionar cuando detecte de nuevo Dr.

    Para la cinta B, está se activará cuando esté parada (la cinta B se para cuando detecta S2 para que al colocarla en la cinta no esté en movimiento y pueda caer), se haya posicionado la botella y el robot vuelva a su estado en posición. Si llega otra botella defectuosa seguida (S2), la cinta B se para, el Timer deja de contar y no vuelve a contar hasta que vuelve a posicionarse la botella encima de la cinta, y activándose de nuevo al detectar flanco de subida (DIFU) del detector Dr.

    Finalmente, tendremos un contador que nos cuenta los pulsos de botellas defectuosas (s2), y cuando cuente 10 se activará una alarma, desactivándose esta cuando pulsemos Stop (A) o reinicio del proceso.

    El contador se resetea cuando llega a 10 o al inicio de cada sesión.

    Entradas

    Salidas

    M –  0001

    Cinta A – 0100

    A –  0002

    Cinta B – 0101

    S1 – 0003

    Robot –   0102

    S2 – 0004

    Alarma –  0103

    Dr – 0005


    REPRESENTACIÓN DEL SOFTWARE DEL PLC

    MEDIANTE DIAGRAMA DE CONTACTOS PARA AUTÓMATA OMRON


                   0001  (M)                                          0002 (A)

                                                                                                                                        HR01

                                                                                                                                       

                                      HR 001

               

                                           HR 001

                                                                                                                                        100

      

                                                               0004 (S2)                                          

                                                                                                                                St

                                                                                                                                         KEEP

                                                                0003 (S1)                                                                     HR 002

                                                                                                                                Rt

                                                               HR002             

                                                                                                                                  IN   

                                                                                                                                         SFT

                                                                                                                                            02

                                                               0003 (S1)                                                     CP      02

                                   

                       

                                                               1815                                                            Rt

          

                                                               1001


     

                                                                 

                        0005 (Dr)            0200                   HR 001                       

                                                                                                                                St

                                                                                                                                       KEEP

                                       1001                                                                                       HR 003

                                                                                                                                Rt

                                                   0005 (Dr)                                                        

                                                                                                                                    DIFU

               

                                                                                                                                     1001


                                                                                                                                                 

                                                                                                                         


                                    HR 003           HR 001

                                                                                                                                     102


                                    1001                                                                                     St

                                                                                                                                     KEEP

                                                                                                                                     HR 004

                            0004 (S2)

                                                                                                                                Rt

                            TIM 01

               


                               HR001               HR004                                                                       TIM 01  

                                                                                                                                    #200


                                                                                                                                    101

                                      0004 (S2)                                                                                                                                                                                                                           CP                                                                                                                                                         CNT 02                     CNT 02                                                                                                                                                                                                                                               Rt       #10

                                    1815

                                                                                       

    CNT02                                0002 (A)    

                                                                                                                                       103

                                  

                                   103


                              

                                END (01)     

    REPRESENTACIÓN DEL SOFTWARE DEL PLC

    MEDIANTE LISTA DE INSTRUCCIONES PARA AUTÓMATA OMRON

    Dirección

    Instrucción

    Dato

    Referencia al diagrama de contactos

    0001

    LD

    0001

    Marcha

    0002

    OR

    HR 0001

    0003

    AND NOT

    0002

    No paro

    0004

    OUT

    HR 0001

    Salida auxiliar

    0005

    LD

    HR 0001

    0006

    OUT

    0100

    Motor Cinta A

    0007

    LD

    0004

    Sensor S2

    0008

    LD

    0003

    Sensor S1

    0009

    KEEP (11)

    HR 0002

    Mant. Pulso S2

    0010

    LD

    HR 0002

    Sensor S2 mant.

    0011

    LD

    0003

    Sensor S1

    0012

    LD

    1815

    0013

    OR

    1001

    0014

    SFT (10)

    02 02

    Reg.desplaz.

    0015

    LD

    0005

    Detector Robot

    0016

    AND

    0200

    Pulso Activar

    0017

    AND

    HR 0001

    Marcha general

    0018

    LD

    1001

    Reset al ver DR

    0019

    KEEP (11)

    HR 0003

    0020

    LD

    0005

    0021

    DIFU (13)

    1001

    Flanco UP de DR

    0022

    LD

    HR 0001

    0023

    AND

    HR 0003

    0024

    OUT

    0102

    Activa Robot

    0025

    LD

    1001

    0026

    LD

    0004

    Sensor S2

    0027

    OR

    TIM 01

    0028

    KEEP (11)

    HR 0004

    0029

    LD

    HR 0001

    0030

    AND

    HR 0004

    0031

    TIM

    01

    #200

    20 s. De cinta B

    0029

    OUT

    101

    Motor Cinta B

    0030

    LD

    0004

    Sensor S2

    0031

    LD

    CNT 02

    Contador

    0032

    OR

    1815

    Resetea

    0033

    CNT

    02

    #10

    Contador de 10

    0034

    LD

    CNT 02

    0036

    OR

    0103

    Enclava Alarma

    0037

    AND NOT

    0002

    No paro

    0038

    OUT

    0103

    Alarma

    0039

    END (01)


    ESQUEMA ELÉCTRICO DE LOS ELEMENTOS

    DE CONEXIÓN AL AUTÓMATA


     

                        o        o        o          o        o                               o        o        o

                        

                        o        o        o          o        o                               o        o        o


                       T1     T2      T3          M      P                              S1      S2      Dr

                                                                                                                         

                  + 24                                                                                                     COM

                   COM                                                                                                                                                                                            High Speed

                                                                                                             

                         PLC OMRON

                   

                    220 V

                                                        0100                                     0101                                  0102                          0103

                       

                                 o                                 o                               o                         o


                           

                                        FUS1                              FUS2                          FUS3                      FUS4


                                        

                                     RELÉ                                             RELÉ                                          RELÉ                       RELE    

                                                   AL MOTOR                              AL MOTOR                                  AL MOTOR                 ALARMA

                              Cinta A                       Cinta B                      Robot                     Al


        N


        F

                                                                                                 

               


    ESQUEMA ELÉCTRICO DE LA PARTE DE POTENCIA

    N

    R                                                                                                                                                                                                                                                                                                                                                                                       S                                                                                                                                                                                                                                                                                                                                                                                    T                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             008                                                                                                                                                                                                                                                             0006                                                      0007                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         I >    I >    I  >                                         I >  I >    I >                                           I >   I >     I >                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 100                                                        101                                                         102                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         M 3 ~                               M 3 ~                                        M 3 ~                                                                                                                                                                                                                                                                                                                                                                                          


    CÁLCULO SECCIÓN DE LOS CABLES Y DEL TIPO DE TUBO PROTECTOR Y SECCIÓN

    Si el motor es de una potencia de 10 kW, determinar la sección de los cables si se utilizan cables unipolares de cobre con cubierta de P.V.C e instalado dentro de un tubo, en una instalación subterránea. Determinar también los tubos protectores de los cables (tipo de tubos que se coge y su sección).



    Hemos cogido un factor de potencia cos j=0,85.

    Según el R.E.B.T. suponiendo la corriente de 30,87 A, y durante el arranque del motor pudiendo doblarse (61,74 A) y según la instrucción MI BT 007 para una terna de cables unipolares (tres más uno) con aislamiento de policloruro de vinilo cogemos una sección nominal de 6 mm2  hasta un máximo de 63 A. Siendo los colores negro, gris y marrón en las 3 fases de alimentación y azul en el caso del neutro.

    Para la selección del tubo protector, según la instrucción MIE BT 019 del R.E.B.T,  seleccionaremos un tubo protector aislante flexible de policloruro de vivnilo (PVC), soportando hasta 60ºC sin deformación. Siendo el diámetro interior nominal para un solo conductor de 13 mm.


    REPRESENTACIÓN DEL DIAGRAMA DE CONTACTOS PARA AUMENTO DE FIABILIDAD (térmicos, redundancias,..)


                   0001  (M)                               0002 (A)        TMA      TMB     TMR   

                                                                                                                                        HR01

                                                                                                                                       

                                      HR 001

               

                                           HR 001                          0002 (A)         0006 (TMA)

                                                                                                                                        100

      

                               HR 0001                    0004 (S2)                 0003 (S1)                           

                                                                                                                                St

                                                                                                                                         KEEP

                                                                0003 (S1)                 0004 (S2)                                   HR 002

                                                                                                                                Rt

                               HR 0001                     HR002            

                                                                                                                                  IN   

                                                                                                                                         SFT

                                                                                                                                            02

                               HR 0001                    0003 (S1)                   0004 (S2)                    CP      02

                                   

                       

                                                               1815                                                            Rt

          

                                                               1001


     

                                                                

                        0005 (Dr)            0200                   HR 001                       

                                                                                                                                St

                                                                                                                                       KEEP

                                       1001                                                                                       HR 003

                                                                                                                                Rt

                            HR 0001           0005 (Dr)                                                        

                                                                                                                                    DIFU

               

                                                                                                                                     1001


                                                                                                                                                

                                                                                                                         


                                    HR 003           HR 001              0008 (TMR)

                                                                                                                                     102


                                   1001                     HR 0001

                                                                                                                              St

                                                                                                                                     KEEP

                                                                                                                                     HR 004

                            0004 (S2)

                                                                                                                                Rt

                    TIM 01


               


                               HR001               HR004                                                                      TIM 01  

                                                                                                                                    #200

                                                                                                              0007 (TMB)

                                                                                                                                    101

                                      0004 (S2)                    0003 (S1)                                                                                                                                                                                          CP                                                                                                                                                         CNT 02                               CNT 02                                                                                                                                                                                                                                              Rt       #10

                                    1815

                                                                                                                                                                                                                                                                                                                                                                                           

    CNT02                           0002 (A)     HR 0001  

                                                                                                                                       103

                                  

                                   103


                              

                                END (01)     


    REPRESENTACIÓN DEL SOFTWARE DEL PLC

    MEDIANTE LISTA DE INSTRUCCIONES PARA AUTÓMATA OMRON

    Dirección

    Instrucción

    Dato

    Referencia al diagrama de contactos

    0001

    LD

    0001

    Marcha

    0002

    OR

    HR 0001

    0003

    AND NOT

    0002

    No paro

    0004

    AND

    0006

    Térmico Cinta A

    0005

    AND

    0007

    Térmico Cinta B

    0006

    AND

    0008

    Térmico Robot

    0007

    OUT

    HR 0001

    Salida auxiliar

    0008

    LD

    HR 0001

    0009

    AND NOT

    0002

    No paro

    0010

    AND

    0006

    Térmico Cinta A

    0011

    OUT

    0100

    Motor Cinta A

    0012

    LD

    0004

    Sensor S2

    0013

    AND

    HR 0001

    0014

    AND NOT

    0003

    NO Sensor S1

    0015

    LD

    0003

    Sensor S1

    0016

    AND NOT

    0004

    NO Sensor S2

    0017

    KEEP (11)

    HR 0002

    Mant. Pulso S2

    0018

    LD

    HR 0001

    0019

    AND

    HR 0002

    Sensor S2 mant.

    0020

    LD

    HR 0001

    0021

    AND

    0003

    Sensor S1

    0022

    AND NOT

    0004

    NO Sensor S2

    0023

    LD

    1815

    0024

    OR

    1001

    0025

    SFT (10)

    02 02

    Reg.desplaz.

    0026

    LD

    0005

    Detector Robot

    0027

    AND

    0200

    Pulso Activar

    0028

    AND

    HR 0001

    Marcha general

    0029

    LD

    1001

    Reset al ver DR

    0030

    KEEP (11)

    HR 0003

    0031

    LD

    HR 0001

    0032

    AND

    0005

    0033

    DIFU (13)

    1001

    Flanco UP de DR

    0034

    LD

    HR 0001

    0035

    AND

    HR 0003

    0036

    AND

    0008

    Térmico Robot

    0037

    OUT

    0102

    Activa Robot

    0038

    LD

    1001

    0039

    AND

    HR 0001

    0040

    LD

    0004

    Sensor S2

    0041

    AND NOT

    0003

    NO Sensor S1

    0042

    OR

    TIM 01

    0043

    KEEP (11)

    HR 0004

    0044

    LD

    HR 0001

    0045

    AND

    HR 0004

    0046

    TIM

    01

    #200

    20 s. De cinta B

    0047

    AND

    0007

    Térmico Cinta B

    0048

    OUT

    101

    Motor Cinta B

    0049

    LD

    0004

    Sensor S2

    0050

    AND NOT

    0003

    NO Sensor S1

    0051

    LD

    CNT 02

    Contador

    0052

    OR

    1815

    Resetea

    0053

    CNT

    02

    #10

    Contador de 10

    0054

    LD

    CNT 02

    0055

    OR

    0103

    Enclava Alarma

    0056

    AND NOT

    0002

    No paro

    0057

    AND

    HR 0001

    0058

    OUT

    0103

    Alarma

    0059

    END (01)


     
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