In this video, you’ll learn about a fully electronic type of relay known as Solid State Relay or SSR. These relays are made of semiconductors such as Thyristors and Triacs. There are different designs and types of them for various applications. They generally fall into three main categories; First, is the Random Turn on SSR. Second, is the Zero Crossing Solid State Relay. And the last is the Proportional SSR. Watch the video or read the article to acquire a piece of better knowledge about Solid State Relays.
In this video, you’ll first get to know about Electromechanical relays that are the most used types of relays. Then, you’ll see how electric relays work and learn about the relay wiring diagram. After all, we’ll answer some questions: What do we use a relay for? How to wire a relay? We also talk about the combination of normally open and normally closed contacts of the relays which will shape different types of mechanical relays.
Reading a PLC Wiring Diagram is one of the must-to-learn skills for every automation and electrical engineer. Despite different standards of these types of drawings, you’ll learn using actual industrial drawings and some PLC wiring best practices.
Learning by example is one of the most effective methods of learning PLC programming. So, as we have promised in the first part of this course, we are going to continue with another practical example.
In this part, you are going to extend your understanding of the basics of ladder logic PLC programming by turning ON and OFF an electric motor using the Siemens TIA Portal.
An electrical wiring diagram could be a single page schematic of how a ceiling fan should be connected to the power source and its remote switches. A wiring diagram may include the wirings of a vehicle. Or an electrical wiring diagram can be a 200-page document including all the electrical wirings of an electrical control panel in a huge factory or plant. By reading this article, you’ll have a good understanding of how to read, understand, and use them for your benefit.
There are a variety of well-known control valves in the industry such as Globe valves that you can watch our video about it from the link in the description. But today’s video is about different types of control valves known as Directional Control Valves or DCVs for short. You may hear of them as solenoid valves or spool valves as well. If you want to know how they work and how you should read and interpret their symbols, then this article is for you!
In the real-world conditions when we’re choosing the instrument switches or other types of discrete equipment for a process, we have to select which one should be exactly a Normally Open sensor and which one should be a Normally Closed sensor. In this article, we’ll investigate the real-world application examples of Normally Open and Normally Closed Contacts.
DCS as its name says is a Decentralized Control System or in other words is a control method in which we have some independent CPUs. Each CPU is in charge of controlling individual parts of the process so that if one fails, the other CPUs will continue performing their function without interruption. On the other hand, the name of PLC or Programmable Logic Controller does not imply the concept of Centralization or non-centralization by itself. In this article, we’ll investigate the other important aspects of this question.
Simulating the PLC program is the last step before we download our program to the actual PLCs in the plant and test it with the real devices and equipment. On the other hand, it helps the beginner PLC programmers and automation engineers to gain a solid understanding of the program elements function and applications. So, in this article, you’ll learn how to simulate the PLC program using Siemens PLCSIM software…
Ladder Logic PLC Programming is the most popular and easy to learn methods of automating our process using the PLCs. Ladder Logic is developed under the open international standard IEC61131 for Programmable Logic Controllers. In this part of the course, you are going to learn how to interpret the logic of the process and write a Ladder Logic program according to that.
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