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Archive for the ‘Education’ Category

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CJC Jumpers: Why are they needed in Thermocouple PLC Modules?

CJC jumpers are cold junction compensators used in analog thermocouple PLC modules. To better understand the concept of Cold Junction Compensation (CJC) with CJC jumpers, let’s first review what is a thermocouple and its working principle. What is a Thermocouple?  A thermocouple is a sensing device that measures temperature, it’s basically a high-temperature range thermometer. […]

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RTD – What Does it Stand For & How Are They Used in PLCs?

What Does RTD Stand For?  The term ‘RTD’ stands for Resistance Temperature Detector. It’s a type of temperature sensor whose resistance changes with temperature changes. RTDs are popular temperature sensors because of their stability, and they also exhibit the most linear resistance signal in relation to temperature variations of a given electronic device. This means […]

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What Does PLC Stand For and What Does it Do?

What does PLC stand for? In industrial automation terms, PLC stands for a Programmable Logic Controller. PLCs are specialized computers designed and built to automate a variety of industrial electromechanical processes. Automation of manufacturing processes began long before the invention of PLCs. From the early to the late 1900s, industrial automation was carried out by […]

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2022 Industrial Automation Trends

Industrial automation describes a wide range of control systems, such as robots, PLCs, HMIs, Industrial computers, and information technologies, which are used to handle different machines and processes within the factory floor in an effort to reduce/eliminate human intervention. Industrial automation systems are classified based on their level of flexibility and integration into manufacturing operations […]

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Ethernet vs Modbus

Since its introduction, Ethernet technology continuously improved and it has matured to the point that the cost of deploying an Ethernet network solution is now quite affordable. Today, Ethernet is the communication standard for many systems, so it is no surprise that it’s now recognized as one of the standards for factory networking.  Conversely, Modbus communication is by far the oldest […]

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