Purpose of Emergency Shutdown (ESD) System
Emergency Shutdown (ESD) System are specialized highly reliable control systems for high risk industries like Oil and Gas, Nuclear Power or other Environments with explosion risk (Ex.). Their purpose is…
Ball Valve Material Selection
Piping class shall be used as a reference to select ball valve material with its related pressure and temperature ratings. The below ball valves material selection is for information and…
Parts and functions of Steam Turbine
Parts and functions of steam turbine: Rotor Stem chest Casing Over speed trip system Governor system Steam chest and the casing Connected to higher pressure steam supply line and the…
Multiphase Flow Meter Calibration Procedure
Multiphase Flow Meter calibration using gamma densitometer, capacitive, and inductance sensor to determine the fluid composition and speed of flow.
Classification of Steam Turbines
A steam turbine is an engine in which the thermal energy of the steam is converted into mechanical energy of rotation. In steam turbine the energy of the steam is…
Control and Instrumentation Engineer Study Guide
Are you an Control and Instrumentation Engineer ? Recently joined as a Fresher or Trainee engineer in the Instrumentation department? then this article helps you to get an overall outlook…
Difference between Process shutdown and Emergency Shutdown
What is Process shutdown (PSD) ? Process shutdown (PSD) is defined as the automatic isolation and the activation of all part of a process. During a PSD the process remain…
PLC Ladder Logic for Tanks Filling as per Priority
Write the PLC program for two tanks filling as per priority. Design the PLC Ladder Logic programming for this application. Tanks Filling as per Priority In pneumatic conveying system two…
Comparator in PLC Programming
To study the working of comparator blocks (EQU, NEQ, LES, GRT, LEQ and GEQ) using simple example in Allen Bradley programmable logic controllers (PLC). Ccomparator in PLC There are two…
One Shot Rising and One Shot Falling Instructions in PLC
To study the working of One Shot Rising (OSR) and One Shot Falling (OSF) functions in Allen Bradley programmable logic controllers (PLC). One Shot Rising and One Shot Falling Instructions…
