What is Automation? Automation is a system concept utilizing the instrumentation system to control a process or sequence of activities in an automatic manner or without human intervention. The process control loop: Control Loop – is an organized instrumentation system set up from the process variable sensor, transmitter, controller, then back to the process through […]
What is Control? In everyday language, the term Control and its many variation is frequently used. Example: 1. A traffic aid controlling a traffic 2. A fireman bring fire under control 3. An argument may get out of control, or something might happen to us because of circumstances beyond our control. How to we defined […]
Theoretically, there are as many processes as there are products being manufactured in industry today. Although it is understood that no two application is identical, it is important to understand that the control principles that apply to the different industrial applications are basically the same. DESCRIPTION OF A PROCESS: A process can be described as […]
What is Fail Safe concept? Fail safe concept is an applied instrumentation concept wherein during plant emergencies, the instrumentation system will bring down the plant into safe condition. The basis of choosing the right control valve is the fail action. A Fail Safe concept is that, in the event of a specific type of failure, responds in […]
Piping and Instrumentation Diagram (P&ID): P&ID shows the interconnection between the process piping, instrument tapping point or connections and all other instrumentation loop components. This diagram is very useful in locating actual locations of instruments in the field. The Title Block: The title block section is located at the lower right hand corner of […]
Instrument Identification Number or Tag Number is an alphanumeric codes that provides specific information about an instrument or its function. Note: A typical tag number contains two types of information, The Function Identification and Loop Identification. FUNCTION IDENTIFICATION A functional identification is a series of letters or letter code that identifies the function of instrument. […]
Roldan B. Sebastian 