ABB PLC have up counter CTU, Down counter CTD and up down counter CTUD. counter increment or decrement counter current value when input of counter is changed from false to true or OFF to ON.

in wincc scada get and set tag values function is used to read and modify tag value. get and set function of c script assign for a tag to read and write value. when this function execute it read tag value and process according to program. in this article…

CODESYS Development Software Provide Built In VISUALIZATION To Create User Interface For Your Complete Process On Your PC. You Can Also Control Your Visualization With Plc, Opc UA Server Etc.

It reduced human error and provides continues result of process or system. plc save fuel, cost, processing material, labor and increased production. below are some common question for plc asked in interview.

You can explore the most commonly asked VFD interview questions, accompanied by detailed expert answers to help you grasp key concepts and effectively demonstrate your knowledge. Whether you’re a seasoned professional or new to the field, our resource is…

Understand different PLC data types used in industrial automation including BOOL, INT, REAL, STRING, and custom structures. Crucial for effective PLC programming in Siemens, Allen Bradley, and Mitsubishi systems.

Learn how to handle events and actions in wincc scada. This guide explains how to detect user input, use conditional logic, and perform actions using if, switch, and custom functions for scada based user interfaces.an event is an action or occurrence that…

if else is conditional statement in c programming.in c programming if, else if, and else statements in C to control the flow of your program based on conditions.in if else conditional statement and statement is executed only if condition is true otherwise…

Omron CX-Designer Software Tool Which Are Useful For Making A Graphical Interface Of NS Series Omron HMI. It Have Wide Range Of Features Like Drag-And-Drop Components, Animation, Data Logging, Multiple Languages, Simulation Function And Integrates With Other…

Discover how to get started with PLC programming. Step-by-step tutorials, ladder logic basics, and examples for Siemens, ABB, Fuji, and Allen-Bradley PLCs.

in c programming a function is a block of reusable code that performs a specific task. Instead of writing the same code multiple times, you define it once as a function and call it wherever needed. in wincc scada you can create these global function to use…

Delta ISPSoft is the programming software used for programming of Delta PLC and VFD, especially the DVP and AS series. It allows users to write, simulate, and upload logic programs to the PLC. It supports five programming languages. They are ladder diagrams…

Delta ISPSoft is the programming software used for programming of Delta PLC and VFD, especially the DVP and AS series. It allows users to write, simulate, and upload logic programs to the PLC. It supports five programming languages. They are ladder diagrams…

CASE_OF Is A Control Flow Statement That Used For Execute Different Statement Of Code Based On The Value Of The Selector Or Expression. CASE_OF Is An Alternative Of Multiple If-Else-If Statements. CASE_OF Easy To Understand. Basic Syntax Of CASE_OF Statement…

Mitsubishi PLC Programming A Program consists sequence of instructions with Device name and address. Specific device is identified by its address. we know that controller have multiple input and output and each input and out have deferent address. where…

Learn about Delta PLC address types like X, Y, M, D, T, C, and S. Understand input, output, memory, and timer device codes with examples.

Learn how to use logical operators in WinCC SCADA C scripting. This guide covers syntax, practical examples, and tips for efficient automation scripting in WinCC.

Learn the difference between CNT (low-speed counter) and DCNT (high-speed counter) in Delta PLC using WPLSoft or ISPSoft. Explore practical use cases, device addressing, timing behavior, and application guidelines.

Learn how to use VBScript in WinCC SCADA for automation, data handling, and real-time control. Ideal for engineers, students, and industrial users.