Home » What is the Main Functionality of low Pressure Electronic Regulator?

What is the Main Functionality of low Pressure Electronic Regulator?

by Uneeb Khan
What is the Main Functionality of low Pressure Electronic Regulator?

If you have an automatic system process, you are likely to choose the use of low pressure electronic regulator. It is specifically designed to control the pressure and provides various features that include unique setups that are used to be engineered in-house. Most digital pressure regulators work with an analog signal like 0…5(10) Vdc or (0)4 to 20 milliamp signal. Most electronic pressure controllers work with an analog signal like 0…5(10) Vdc or (0)4 to 20 milliamp signal. Digital communication devices are open on several models as well. In this post, you will learn how to control pressure regulators work. 

How does an Electronic Pressure Regulator Work? 

Generally, each electronic pressure controller consists of the following components. These are: 

  • a pressure sensor 
  • a PID-controller, that controls 1 or 2 valves (Single Valve Controllers or Dual Valve Controllers).

By using an air pressure valve, you can electronically control the reference pressure delivered to the back pressure in the medium. With the use of our electronic reference controllers, you can electronically pilot the reference pressure delivered to the back pressure regulator. Most low pressure electronic regulator works with an analog signal like 0…5(10) Vdc or (0)4 to 20 mA signal. Further, digital bus communication like EtherCAT, ProfiNet, Profibus, Modbus, CANopen, etc. is also known on some model. 

The pressure can be placed upstream or downstream of the sensors that creates either an electronic forward pressure lowering regulator or low pressure electronic regulator. Digital pressure regulators that contain one valve commonly have a constant bleed. The bleed permits the controller to maintain the proportional valve in control all the time resulting in the highest possible stability. The downside of a single valve device is the constant use of high-pressure gas.

The pressure regulator contains two proportional valves that can stop gas consumption. Engineers in the industries can use these tools to manage the pressure in a dead volume. The electric air pressure regulator will continuously monitor whether the upstream valve or the downstream valve requires to open to increase or decrease the pressure in the dead volume. The bandwidth in which both open and close valves are locked while the consumption is 0, is usually in the range of 0.1% of the full-scale value of the selected pneumatic pressure regulator electronic.

Pressure Range & Media Consumption: 

The primary difference is the pressure that you want to preserve at the reference of the back low pressure electronic regulator or control valve. If you only require low pressure and you have device shop air functional, you might be less attentive to the consumption of air. For higher pressures, these factors can be more relevant and complex.

Applications for Electro Pneumatic Regulator:

There are some applications for electronic pressure regulators that are used to provide closed-loop pressure control in the industries. Some common applications include:

  • Direct control of pressurized air and inert gases.
  • Operation of small bore cylinders.
  • Medical/analytical applications.
  • Leak testing.
  • Packaging.

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