PNR24A

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PNR24A application field and working principle

An PNR24A is a type of liquid level and flow controller, which is widely used in many of industrial process and water control system. It is a miniaturized, highly accurate device, designed for reliable and remote control and monitoring in liquid and gas media. The PNR24A is mainly used to measure the rate of liquid level or flow, and to maintain a specified setpoint value for flow or liquid height.

Application fields of PNR24A

The PNR24A is mainly used in water supply, irrigation system, water treatment system, thermal power station, chemical industry, petroleum, and cooling system. It can also be used in petrochemical plants, boilers, turbines and generators, as well as other industries for controlling and monitoring the liquid level and flow. This controller is suited for applications including pressure, temperature, liquid height and flow rate.

Working Principle of PNR24A

The input signal of the PNR24A is a current 4-20 mA or voltage 0-10V dc, or serial communication protocol, such as Modbus etc. Inside of the PNR24A, there is a micro-controller and pressure sensor, which will convert the input signal into a valid digital signal and feed it into the central processor. The controller then reads the data and processes it accordingly. Depending on the setpoint value of liquid height or flow rate, the output signal will be output to the actuator to control the liquid or gas flow.

The PNR24A also has several important functions such as, over pressure protection, adjustable parameters for different input signals and time delay control. When over pressure protection is enabled, the controller will stop the output and alarm when the input signal is higher than the setpoint value. This will help avoid damages caused by over flow or excessive pressure. The adjustable parameter settings can be programmed according to the requirements, so the PNR24A can be used in different applications. Furthermore, the controller has time delay control, which can be set to control the starting and end time of the operation.

The PNR24A is an effective and reliable liquid level and flow controller, which has become very popular with many industries. This controller is easy to install and provide accurate liquid and gas data. With this controller, industries can ensure a safe and efficient operation.

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