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[Chemical Knowledge]：The role of the transmitter

Read： 655 Time：18months ago Source：Transform the World with Simplicity

Transmitter refers to a device used to convert various physical quantity signals into standard signal output. For a variety of industrial control systems, the transmitter is a very important device. Because it can realize the optimization of signal conversion and response speed, it has a wide range of applications in industrial process control, chemical manufacturing and medical equipment control. Next, we will discuss the role of the transmitter in detail.

1. Signal conversion
The most important role of the
transmitter is to convert various input signals into standard output signals. Taking temperature as an example, a temperature sensor can detect the temperature of an object, but its signal may not be transmitted to a remote location. At this time, it is necessary to use a transmitter to convert this signal into a standard 4-20 mA output signal, so that the signal can be transmitted to a remote monitoring device to achieve accurate monitoring and control of the temperature of the object.

2. Enhance the signal strength

Because the signal collected by the physical quantity sensor is often weak, there will be problems such as signal loss, interference and noise reduction in the signal transmission process. The transmitter can increase the signal strength to the standard range to ensure the accuracy and reliability of the signal. For example, in an automated control system, the transmitter can not only enhance the strength of the input signal, but also output the signal to the entire system to ensure the normal operation of the control system.

3. accuracy improvement

transmitter can process the input signal to make it have higher accuracy. For example, for temperature detection, the transmitter can automatically compare and process the data, and convert the signal into a standard signal, thereby improving the temperature measurement accuracy. This kind of treatment can also help reduce the follow-up problems caused by inaccurate data. For example, high furnace temperature will cause boiler pipe deformation. If there is no transmitter for accurate discrimination, it will bring potential safety hazards and economic losses.

4. Easy maintenance and installation Another important role of

transmitters is to facilitate installation and maintenance. It can directly read the signal of the physical sensor, thus avoiding maintenance cycles, and replacing the host during maintenance will cause less impact on production scheduling. The use of the transmitter can also reduce data damage caused by misoperation in manual maintenance, saving maintenance costs.

In industrial control systems, transmitters provide key support and protection for various control processes. It can convert the signals of various sensors into standard signals, so as to realize the all-round control and monitoring of various industrial processes. In addition, it can also improve signal accuracy, ensure control accuracy and reduce maintenance costs.

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