1. Function Block(FB) Introduction The Function Block (FB) is an important component in the programming of Omron NJ series PLCs, allowing reusable code logic to be encapsulated as independent modules. Function blocks can contain input variables, output variables, input/output variables, and internal variables, written in Structured Text (ST) language, greatly enhancing the readability and maintainability … Read more
A detailed analysis of the definition, usage, and practical application cases of structures, unions, and enumeration types, exploring how complex data types enhance programming efficiency and code maintainability in industrial automation. Introduction The Omron NJ series PLC is an advanced machine automation controller that supports various complex data types, including structures(struct), unions(union), and enumerations(enum). These … Read more
Structured Text(ST) Programming from Basics to Advanced Applications ST Language Basics and Overview Structured Text(ST) is a high-level PLC programming language that complies with the IEC 61131-3 standard. It uses a syntax similar to Pascal, making it particularly suitable for implementing complex algorithms, mathematical calculations, and data processing. The Omron NJ series PLC fully supports … Read more