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04-16-2005, 4:23 PM rrjarquin Joined on 12-11-2004 Veracruz,México Posts 2 Pump automation, and control levels ---------------------------------- In English ---------------------------------- I work in a company of automation projects in the Veracruz State, México, and I used the BRAIN B300-ENET, controller LCM4 with ethernet card. The control system is used to control the level of 2 troug by means of the control of speed of 2 motors through converters of frequency, the speed required in the motor depends on the Sep-point fixed in the computer that corresponds at the level of a trough. The level of the trough is measured by a sensor type radar, the level sign is transmitted to the analogical card SNAP-AIMA of opto 22. In Optocontrol one has configured a regulator PID that receives the level sign, compares it with the Set-point fixed and this sends a control sign to the converter of frequency to control the speed of a motor which moves to a drum that picks up sludges in the trough, maintaining this way the level fixed in the computer. The system also controls in level of 1 tank which receives product of 3 tanks through the outburst and unemployment of 5 pumps. They are had sensor type radar in each tank to measure the level and to send it to cards SNAP-AIMA. They were configured in optodisplay friendly screens so that the user can write the outburst setpoint and unemployment of each pump. With the control of the outburst of pumps it is controlled the level of each tank totally, because the pumps start up and they stop in an automatic way depending on the values fixed in the computer which are compared with the level measured in each tank. Trends were configured for the levels of the tanks and for the outburst of the motors of the pumps. It was used a controller and brain with ethernet, to be able to visualize the data in another computer connected in ethernet, from another control room. Also in Optodisplay 2 screens were added that correspond to another process controlled by another controller of I opt 22, united through ethernet. ¡ The system works excellent!. -------------------------------- En Español -------------------------------- Trabajo en una compañia de proyectos de automatización en el estado de Veracruz México, y utilicé el BRAIN B300-ENET, controlador LCM4 con tarjeta de red. El sistema de control se utiliza para controlar el nivel de 2 charolas por medio del control de velocidad de 2 motores a través de variadores de frecuencia, la velocidad requerida en el motor depende del set-point fijado en la computadora que corresponde al nivel de una charola. El nivel de la charola es medido por un sensor tipo radar, la señal de nivel es ransmitida a la tarjeta analógica SNAP-AIMA de opto 22. EN Optocontrol se tiene onfigurado un regulador PID, que recibe la señal de nivel, la compara con el set-point fijado y envia una señal de control al variador de frecuencia para controlar la velocidad de un motor el cual mueve a un tambor que recoge impurezas en la charola, manteniendo así el nivel fijado en la computadora. El sistema también controla en nivel de 1 tanque el cual recibe producto de 3 tanques a través del arranque y paro de 5 bombas. Se tienen sensores tipo radar en cada tanque para medir el nivel y enviarlo a tarjetas SNAP-AIMA. Se configuraron en optodisplay pantallas amigables para que el usuario puede escribir el setpoint de arranque y paro de cada bomba. Con el control del arranque de bombas se controla totalmente el nivel de cada tanque, porque las bombas arrancan y paran de forma automática dependiendo de los valores fijados en la computadora los cuales son comparados con el nivel medido en cada tanque. Se configuraron tendencias para los niveles de los tanques y para el arranque de los motores de las bombas. Se utilizó un controlador y brain con ethernet, para poder visualizar los datos en otra computadora conectada en red, desde otra sala de control. Además en Optodisplay se agregaron 2 pantallas que corresponden a otro proceso controlado por otro controlador de opto 22, unidos a traves de ethernet. ¡ El sistema funciona excelente !.    Report

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