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Category : PLC Tutorials

PLC Programming Tutorials : Learn about PLC’s like GE, ABB, Siemens, Allen Bradley, Omron PLC’s etc. Study Ladder Logic Lectures and PLC programs.

Why Use a Current Loop?

S Bharadwaj Reddy
A Little Bit of History Before the advent of electronic circuitry, process control was a wholly mechanical endeavor. Facilities used pneumatic control signals where controllers were powered by varying pressures...

Distributed Control System Interview Questions

S Bharadwaj Reddy
Instrumentation Tools assists you a complete guide which mainly targets the aspirants of Electrical, Electronics and Instrumentation Streams to crack the interview. Here’s a definitive list of Distributed Control System...

Basics of 4 to 20 mA analog Signals

S Bharadwaj Reddy
The  most  popular  form of signal transmission  used in modern  industrial  instrumentation  systems is the 4 to 20 milliamp DC standard. This is an analog signal standard, meaning that the...

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