MKS 640B - A Typical Control System

General Information Chapter Three: Overview
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A Typical Control System
The 640B Series Pressure Controllers are used in a wide variety of control systems, most of
which share several characteristics. Typically, a control system consists of four basic parts:
 Pressure transducer
 Control electronics
 Control valve
 Pressure system (whose pressure is being controlled)
The 640B Series Pressure Controller provides the first three components.

The pressure transducer is an MKS Baratron capacitance manometer.

The 640B Series unit contains the electronics necessary for pressure control.

The control valve included in the 640B controller is a proportional control valve.

The pressure system can be any process requiring pressure control.