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What Is a Safety Instrumented System?

In this video and blog post, you will learn what a Safety Instrumented System is, how it is constructed, and how it plays an important role in keeping our chemical, refining, and other manufacturing plants running safely and as productive community partners and...

PLC Basics | Programmable Logic Controller

Today we are going to talk about PLC basics. The programmable logic controller, or PLC, is a special purpose computer. It has no display, no keyboard, no printer, no hard drive, and hides in the control panel out on the factory floor, but it is still a computer.  ...

What is the difference between SCADA and HMI?

   Today, you will learn the difference between SCADA and HMI. We will talk about the differences as well as the similarities, and also when each is used. There is usually some confusion because of the similarities. So let’s dive in to SCADA for now. SCADA stands for...

What is the Difference Between PLC and DCS ?

In a nutshell, a PLC or programmable logic controller is a ruggedized computer used for automating processes. A DCS or distributed control system is similar to a PLC in that it has rugged computer controllers however the DCS contains multiple autonomous controllers...

What Are the Advantages PLCs Have over Relay Systems

There are many advantages that a PLC system holds over a relay system. Today, we will dive into some of those advantages. One of the first and simplest advantages is reliability.   1. Reliability The internal relay systems of a PLC are solid state. This means that the...

What is a Stepper Motor and How it Works?

In this lesson we will discuss what a stepper motor is and how it works, so let’s first determine what a stepper motor is and examine some unique features of a stepper motor. Have you ever thought about how a robotic arm moves with precision or how graphic printers...

Types of Sensors

In this article, we are going to familiarize you with the types of sensors that we frequently use in industrial equipment. We intend this to be an introductory video for a new engineer just getting started, or for anyone looking for a general understanding of some...

What is HART Protocol?

In this article, you will learn what a HART protocol is, how HART is used with analog sensors, how a HART analog sensor works, and what advantages a HART analog sensor can give your operation. Current-loop technology has been used for analog sensors for the past 4...

How to Wire Discrete DC Sensors to PLC – Part 2

In this blog post, you will learn how to wire a 3-wire DC sensor, like an inductive proximity sensor, to a PLC input card. You will also learn what a 3-Wire Discrete sensor is and recognize some of the common types of 3-Wire Discrete sensors. DC sensors can be used to...

What is the Automation Pyramid

Today, I will try to teach you about the Automation Pyramid. More specifically, the devices used to make up the automation pyramid. So what exactly is the automation pyramid? It is a pictorial example of the different levels of automation in a factory or industry. It...

How to Wire Discrete DC Sensors to PLC- Part 1

How to Wire Discrete DC Sensors to PLC- Part1  Learn about 2-wire discrete DC sensors and how to connect them to a PLC input card In this blog post and video, you will learn how to wire a 2-wire DC sensor, like a switch or a contact, to a PLC input card.  You will...

PLC Programmer Salary

As I’m sure you may know, PLC programmer salary will be based on several factors including years of experience, proficiency in the specific platform such as Siemens, Allen Bradley, or Modicon, and so on. Other factors may include your ability to draft/design...

What is Process Automation?

What is Process Automation? Today we will dive into Process Automation, so you can learn all about it for yourself.  We hear about new things and processes becoming automated almost every day. But what does that actually mean? Today, we will dive into Process...

What is a Relay System?

What is a relay system? Learn all about relay systems, such as what they are, and when we use them.  Today, you are going to learn all about relay systems, such as what they are, and when we use them. Hopefully by the end you will have a pretty good understanding of...

How a Flow Meter Works | RealPars (Video Animation)

How a Flow meter Works Get some basic idea of how a flow meter works. In this article, you will get some basic idea of how a flow meter works. There are many types of flow meters available for use in industrial automation. Depending on the product to be measured,...

What is Analog Automation?

What is analog automation? In this blog post and video, we describe, in depth, what analog automation is and some of the industries it’s used in.   In this blog post, I want to talk about Analog Automation and things that may be processed with this method of...

How to Setup an Endress+Hauser Picomag Flow Meter

How to Setup an Endress+Hauser Picomag Flow Meter? Setting up Endress+Hauser Picomag flow meter using the SmartBlue app In today’s fast paced environment, it’s always appreciated when you have awesome tools at your fingertips when integrating your control system....

How PLC Power Supply Works

How a PLC Power Supply Works Learn all about PLC power supply, what it is, and how it works.  Today you will be learning all about PLC power supply, what it is, and how it works. A PLC without a power supply is much like a car without gas, or a laptop without a...

What is an HMI? (Video animation)

What is an HMI? Learn Some of the Basics of an HMI or Human Machine Interface Welcome to another informative blog post from Realpars. Today you will learn all about HMIs. Maybe you have never heard of an HMI, but I'll bet you encounter them pretty regularly. HMI is...

Who is the Father of the PLC and Why was it invented?

WHO IS THE FATHER OF THE PLC AND WHY WAS IT INVENTED? Today you will learn the story of Richard “Dick” Morley, commonly referred to as the Father of the PLC. You probably read these articles because of your interest in PLCs and automation. But have you ever wondered...

What is a Legend?

WHAT IS A LEGEND? Learn all about Legend Welcome to another informative blog post from RealPars. Today you will learn all about a Legend. I referenced a legend in the P&ID video. Hopefully this will help clear that up a little bit. A legend simply put is a chart with...

What is a P&ID Diagram?

WHAT IS A P&ID DIAGRAM? Learn all about P&ID diagrams Today you will learn all about P&ID Diagrams. You may be thinking, “What in the world is a P&ID Diagram?” In industry, these are piping and instrumentation diagrams. P&ID for short. Most manufacturing facilities...

What is Discrete Automation?

WHAT IS DISCRETE  AUTOMATION? Discrete automation is the production of parts that are of a quantifiable nature In our PLC programming series, I have used the term Industrial Automation to encompass an industry in which PLC programmers are used. This is a general term...

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