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Transductor de temperatura en carril DIN

La refinería de aceite BP Lingen moderniza la medición de la temperatura con el transductor de temperatura IM34 de Turck para el ensamblaje del carril DIN.

Cuando se trata de refinar aceite, la temperatura es uno de los más importantes parámetros del proceso. Es por eso que se han generado altas demandas para la medición de la temperatura con el fin de poder operar con más eficiencia las refinerías. En la refinería BP en Lingen, los especialistas en EMSR confían en los transductores de temperatura de Turck como parte de los esfuerzos dela compañía por modernizar la planta.

  • Cientos de transductores de temperatura universales IM34 de Turck aseguran la medición de datos

  • Buena organización: el transductor compacto IM34 es fácil de ensamblar y conectar

  • La refinería de aceite BP Lingen Emsland

DIN rail replaces 19-inch technology

Temperature is one of the most important process parameters for refining crude oil. Replacing the temperature transducers installed in the 1980’s has been a topic at the BP refinery in Lingen, Germany. In contrast to the 19-inch transducers used during its time in the control room, in this project, BP Lingen is upgrading to modern interface devices for DIN rail assembly. “The 19-inch technology is disappearing from our plants more and more because a DIN rail solution in our case is simply more cost effective and the assembly time considerably lower,” says Nitschke. “When necessary, I can replace devices from different manufacturers without any problem – I simply remove the old device from the rail and place the new one on it, add voltage supply, signal input and output, and finished.”

Despite the many products to choose from, when replacing their 19-inch technology, the BP specialists intentionally selected the IM34 temperature transducer from Turck: “At that time, we looked at the products from leading suppliers and subsequently decided in favor of Turck,“ explains Holger Nitschke. “In addition to an excellent cost/benefit ratio, the compact design and the simple assembly were important for us because space in the control room is becoming increasingly expensive.”

Modernizing temperature measurement technology does not necessarily have to mean a completely new installation, as the example of the Lingen refinery shows. With the right technology, today’s requirements can be met by simply replacing the temperature transducer. “In the past, we performed many temperature measurements via type K thermocouples. That is why even in the older plants there is a high number of nickel-chromium/nickel cables between the control rooms and the plant. All of the existing wiring in the plant – including the sensors – can continue to be used,” explains Nitschke.

IM34 processes various input signals

In addition to thermocouples, Pt100 temperature sensors, based on the resistance change in platinum under the influence of temperature, are being increasingly used in process automation today. As a resistance thermometer for the temperature range of -200 to 500 °C, the Pt100 is more precise than a thermocouple. In contrast, the thermocouple, is suitable for a larger temperature range. Regardless of which measurement process is used, as a universal temperature transducer, the IM34 processes input signals from Ni100/Pt100 resistances, as well as thermocouples or millivolt signals. The device combines this universal capability with the high functionality of a freely parameterizable data logger and a PC interface for simple programming. The DTM (Device Type Manager) for the IM34 was developed in accordance to the current design guidelines of the FDT group.

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