Search Results for: plc
- Electrical
Power line carrier communication
Introduction to power line carrier communication Power line carrier communication is a method of using the existing power lines for…
Read More » - Electrical
Introduction to Electrical substation
A substation is a facility which is used to step-up or step-down the voltage in the utility power lines, voltage…
Read More » - Automation
How does a SCADA system work?
What is SCADA? SCADA stands for Supervisory Control and Data Acquisition. SCADA is a system of supervision, control and data…
Read More » - Electrical
What is an Electric drive and how to select an electric drive
Major topics Advantages of electric driveDisadvantages of electric driveHow to select electric drivesComponents of electric driveClassification of electric driveApplications of…
Read More » - Interview Questions
Top 20 Industrial engineering interview questions & Answers
1. What are basic process variables? FlowPressureTemperatureLevel 2. What are the primary elements used for flow measurement? Orifice plateVenturi PlatePitot…
Read More » - Temperature Measurement
What is temperature Scanner? Applications of temperature scanner:
It is important to monitor the temperature in separate areas in a device or in a manufacturing system and offer…
Read More » - Control System
What is Protective system Override ? & What is Protective Override switch (POS)?
What is Protective system Override? If two or more circumstances are met at the same moment, command override is used…
Read More » - Communication
What is the purpose of Gateway, Bridges & Routers in networks?
Gateways, Bridges & Routers are the interconnecting devices in a network topology. The internetworking device must simultaneously satisfy the physical…
Read More » - Electrical
How does Relay work? Types of relays
Relays are an electronic component that can implement switching logic. Relay is a device that uses electromagnetic forces to close…
Read More » - Automation
4-20mA Analog Inputs from Transmitters measuring
A DCS, PLC, single-loop controller or other device analog input accepts an electronic signal, such as 4 to 20 mA…
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