GATE Instrumentation Questions and Answers
Try mock test questions on GATE Electronics and Instrumentation Engineering and check questions with corresponding answers. GATE Instrumentation Questions 1. Which of the following is a desirable characteristic of an…
Modbus Communication between PLC and Energy Meter
Write the PLC program to read the energy meter readings in the programmable logic controller (PLC) using Modbus Communication. Energy Meter Modbus Communication Consider Modbus protocol supported energy meter and…
Commissioning Documents for Instrumentation Engineers
Commissioning is the formal process of verifying and documenting that the installed field instruments and control systems comply with and perform in accordance with the design intent. Commissioning should be…
Siemens TIA Portal Free Version Download
You can download the free trial version for Siemens TIA Portal, SIMATIC STEP 7, WinCC and PLCSIM Programming Softwares and test it for 21 days. TIA Portal Multiuser Engineering Totally…
How-to do Security of SCADA Systems?
SCADA systems installed in Industry facilities must be of such design or otherwise protected to withstand seismic effects as well as a shock (ground motion) and overpressure effects of weapons.…
Operator Interface for SCADA System
Operator interface or human-machine interface (HMI) for SCADA systems provide the functions of status indication, alarm reporting, operator intervention in control action, and data storage and programming. Operator Interface Several…
What is Integral Flow Orifice Assembly?
Integral Flow Orifice Assembly is used when a Differential Pressure Transmitter has to be directly mounted on the orifice assembly.
PLC Program to Simulate Gate Array Logic
Develop a PLC program that will simulate the gate array logic as shown in the below figure. Gate Array Logic Simulate the given gate array logic in ladder logic operation.…
Basics of Industrial Communication Networks
Communication networks may be used in control systems to pass data between field devices and PLCs, between different PLCs, or between PLCs and personal computers used for operator interface, data…
PLC Programming Example for Motor Forward and Reverse Control
Make the example ladder logic to control the motor in forward and reverse direction using PLC Programming with limit switches as sensors. PLC Example for Motor The Workpiece starts moving…
