The Bitwise AND instruction is a ladder logic rung output instruction that performs an AND operation on Source A and Source B and places the result in the Destination tag. The instruction is enabled when the preceding logic is true and disabled otherwise. The values can be constants, tags or any combination. And truth table … Read more
The AFI is a ladder logic rung instruction that sets the rung output to false. Use this instruction to temporarily make the output of the rung false, great for troubleshooting. Note: See the NOP and MCR for related instructions.
The Add instruction is a ladder logic rung output instruction that adds two values. The instruction is enabled when the preceding logic is true and disabled otherwise. Source A is added to Source B and placed in the Destination tag. The values can be constants, tags or any combination. List of possible arguments SOURCE A and SOURCE … Read more
The Absolute Value instruction is a ladder logic rung output instruction that takes the absolute value of the Source and places the result in the Destination tag. The instruction is enabled when the preceding logic is true and disabled otherwise. The values can be constants, tags or any combination. List of possible arguments SOURCE and DESTINATION can be any combination … Read more
OPC Meaning – OLE for Process Control – The software connector for automation The most important basic technology from Microsoft COM / OLE is used to exchange data between applications.Microsoft has the operating systems Windows 10, Windows 8 OLE for Process Control (OPC) is based on this technology. Most important goal of the OPC activities … Read more
What is ladder logic? Ladder logic programming is like virtual circuit building Imagine drawing an electrical circuit on your computer then downloading it into a device that would transform your virtual circuit into a real electrical circuit. Welcome to the world of industrial automation where the above scenario is played out daily and everywhere in-between. … Read more
GOOSE messaging were defined by IEC 61850 as a communication method to be used between IEDs and, thus, eliminate the need for cables to carry out interlocks, locks, trips, as well as other information sent and exchanged between relays. This information is organized in datasets , or data sets, which contain the parameters whose IED … Read more
What does SCADA stand for? S upervisory C ontrol A nd D ata A quisition, or simply supervisory, is a software system whose purpose is to control and supervise industrial systems by acquiring system data and sending commands to the system. This type of system became very well known to the lay community in 2010, … Read more
IoT, or internet of things is a concept that values equipment connectivity via the internet. It started as a concept applied to the consumer goods industry, but soon it was realized that there was great potential for application in the industry. That was enough for the big equipment manufacturers to start producing connected equipment. In … Read more
The concept of industry 4.0 emerged in world, where it is widely used in the manufacture of consumer goods. It is important to keep in mind that this concept is different from the so-called IIoT (Industrial Internet of Things). Industry 4.0 involves the evolution and development of the industry in order to integrate the automation … Read more