PLC Important Questions and Answers
This post covers the PLC important questions and answers which are discussed in an interview for automation engineer or PLC engineer. PLC Important Questions What is PLC ? An industrial …
Voting Logic in Safety Instrumented System (SIS)
There are 1oo1, 1oo2, 2oo2, 2oo3 etc voting logic in the safety instrumented system architecture. The voting logic architecture usually used in the field instrument and or final control elements to reach certain Safety Integrity…
Instrumentation Engineering Quiz – Set 2
Instrumentation Tools assists you with a complete guide of objective questions which mainly targets the aspirants of Electrical, Electronics and Instrumentation engineering Streams to crack the competitive exams and to…
Instrumentation Engineering Quiz – Set 1
Instrumentation Tools assists you with a complete guide of objective questions which mainly targets the aspirants of Electrical, Electronics and Instrumentation engineering Streams to crack the competitive exams and to…
Light ON OFF Control using PLC
We most often come across light ON OFF control; single switch with multiple conditions using programmable logic control (PLC) is discussed here. PLC Light ON OFF Control Note : The…
Industrial Instrumentation Quiz
You can find the top 10 objective questions and answers on Industrial Instrumentation Quiz. A test also available at the end of the article to practice the questions and evaluate…
Different Control Valve Flow Characteristics
Control Valve Flow Characteristics is the relationship between the percentage of valve opening on the flow rate. The choice was a control valve with flow feature that is important as…
How Needle Valve Works ?
Needle valves are designed to allow precise flow control. Its name is derived from the sharp pointed disc and matching seat. They are extensively used for continuous blow-off or chemical…
Pressure Transmitter Calibration Procedure
This article provides step-by-step Procedure for Pressure Transmitter Calibration and Ranging, LRV and URV configuration of transmitter. Pressure Transmitter Details : Rosemount Make, 3051 series 3051T- Guage & absolute pressure…
Elevator PLC Ladder Logic
Design a PLC program to execute the elevator system in a 2-floor apartment using Allen Bradley PLC programming. Elevator PLC Logic In the above picture, there are totally two floors.…
