How a Valve is controlled using a 4-20mA loop
Valve positioners are used to control the valve actuator position of the control valve. The positioner receives the signal from the controller and correct position...
Category : Control System
Piping system: Requirements of Piping system
All instrument piping system or tubing runs should be routed to meet the following requirements: They should be kept as short as possible. They should...
Industrial control system Security
One of the very largest problems facing the automation professional is the security of the Industrial control systems in plants and the SCADA systems that...
Basics of feedback system
There are several techniques used for the process control system that are useful in the analysis and design of the modern process control system. The...
Deaerator- What are deaerators?, working, construction.
What is a deaerator? And deaerators are used for: The deaerators are normally used in any chemical process industry or in power plants where the...
Cascade control loop working, application, avantages
Why use Cascade control loop? In the process industry, many process requirements cannot be solved by simple loops, which rely solely on feedback control or...
What are conveyors? Types of conveyors
What are conveyors? Conveyors are the mechanical system that moves materials one location to another. The transport systems allow fast and efficient transport for a wide...
Hydraulic System Basics
What is a Hydraulic system basically? The basic principle of a hydraulic system is derived from Pascal’s law, basically stating in a closed vessel that...
Safety measures for a control system
Introduction Safety is addressed in the first control objective, and some control decisions, such as controlling the pressure in the flash process, have been made...
Smoke control for HVAC system
The HVAC system discussed here is a variable-air-volume (VAV) system with an economizer. The economizer allows outdoor air to be used for cooling when conditions permit. The...