Fisher - Control and classification of Fisher controllers

Create Date: 2024-8-30 12:03:23|Source: Fisher

When the Fisher controller is in use, we need to understand the classification of the controller and the control method of the controller. Through an in-depth understanding of the controller, we will be more proficient and convenient in use. Then the editor below will introduce these two aspects for us.

Fisher controller control: A high-gain device is a good controller and is an important feature in reducing process deviation. The gain of the controller is mainly divided into two parts: 1. Static gain: The high static gain of the controller is obtained through the preamplifier. Sensitivity to detect small changes in the input signal; 2. Dynamic gain: The change requirement of the process variable is the ability of the preamplifier to provide power to the actuator to respond quickly after it is perceived, so that the saving element can act quickly. Generally, in order to obtain satisfactory power, a high dynamic gain power amplifier is required to compensate.

Classification of Fisher controllers: Pneumatically operated valves are used by the controller to receive an input signal from the process controller and convert it into the stroke of the valve. Generally, it can be divided into three types: 1. Numeral. The difference from analog is the conversion of the signal; 2. Pneumatic type with air source as transmission signal; 3. Analog /P with current 4-20mA as signal.

The above is an introduction to the control part of Fisher controller and the classification of control. I hope that after we understand it, it will be helpful for us to use it

Fisher - Control and classification of Fisher controllers

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