0667415200

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0667415200 Application Field and Working Principle:0667415200, also known as 4-20mA current loop, is widely used in industrial automation and process control applications for the transmission and control of signals. It is a type of analog current loop that allows data to be transmitted and received between two different points.A 4-20mA current loop consists of a sensor (transmitter) and a display (receiver). The sensor is responsible for the acquisition of data and its transmission. The data is converted to an analog signal, which is then transmitted through a pair of wires as a 4-20mA current. This current can be measured at the display and converted back into a digital equivalent for further processing.The sensor used in 4-20mA current loop applications is usually a transducer or transducer-like element. These are typically used to measure physical phenomena such as temperature, pressure, or electrical signals. The signal is then converted to an analog signal by the transmitter. This signal is then amplified to generate the 4-20mA current. The current is then transmitted via a pair of wires to the receiver where it can be measured and converted back into a digital signal for further processing.The 4-20mA current loop is used in a wide range of industrial applications such as motor control, process and temperature control, and flow meter and pressure control. It is generally preferred to digital communication due to its high degree of immunity to electrical noise and the relative low cost. In addition, it is relatively easy to install and maintain which makes it a popular choice for many industrial automation applications.The loop is used to provide accurate and reliable control of machinery and processes in automated systems. It is also used to provide data transmission and signal communication between components and systems in processes. The 4-20mA current loop is used in industrial control systems such as those used in oil and gas production, food and beverage processing, wastewater treatment, and automotive manufacturing. In addition, it is used in home automation systems for the control of lights, temperature, security systems, and other domestic devices.In summary, 4-20mA current loop is a popular and reliable method for the transmission and control of signals in industrial automation and process control applications. It is widely used in a variety of applications and is preferred to digital communication systems due to its high immunity to electrical noise and its relative low cost. The loop provides accurate and reliable control of machinery and systems and is used for data transmission and signal communication in many different industries.

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