PLCopen Enhancement of Standard

PLCopen is a product independent and vendor worldwide association supporting IEC 61131-3. By implementing the standard on many program dev...

Implementations of Standard IEC 61131-3 Programming

The overall requirements of IEC 61131-3 are not easy to fulfill it. That’s why the standard allows partial implementations in various aspe...

Function Blocks and Sequential Function Chart Program Organization

Function Blocks are equivalent to Integrated Circuits (ICs), representing a specialized control function. They consist data as well as th...

SIMATIC WinCC Version 6.0 Innovation

One of the particular impressive things about SIMATIC WinCC right from the start was on the one hand the high level of innovativeness, wh...

The Role of PLCopen for Motion Control

Motion integration issues have emerged to the forefront, along with connectivity and maintainability to automation solutions. Unfortunatel...

A Standard Programming Resource of IEC 61131-3

IEC 61131-3 is the first real endeavor to standardize industrial automation programming languages. It is independent of any single company...

S5/S7 OPC Server

The S5/S7 OPC server gives you fast and convenient access to process data in S7-200, S7-311, S7-411 and WinAC controllers, in C7 and M7 un...

Supporting a Process Flow of PAC

A key PACs defining of characteristic is that the same hardware can be used in multiple domains, including logic, drives, motion, and proc...

Hardware of XC600 PLC

The XC600 PLC has a modular design. The basic unit consisting of the base, power supply, CPU and operator modules can be expanded with fun...

Single Development Platform of PAC

PACs (Programmable Automation Controllers) meet the complex demands of modern industrial automation applications because they combine feat...

Functional Specification of SFC Implementation

Allen Bradley recommends that you develop a specification design for your programming application. The specification of design is a concep...

Specifying the Order of Main Control Programs

Specify the program file number and the order in which the MCPs should be run. This configuration is read before the MCP is executed, if y...

ASTRA OMRON Device Driver

This article introduces to OMRON PLC device driver. This article gives you a broad idea of how to use OMRON device driver with Astra. Th...

Main Control Program of Secure PLC-5

Secure PLC-5 and new platform processors can have up to 16 control programs active in a single PLC-5 processor to control your process. Ea...

Simple Start/Stop Motor Circuit PLC I/O System

It is about the wiring diagram for a three-phase motor and its corresponding three-wire control circuit, where the auxiliary contacts of ...

Large Relay System Modernization of PLC

The modernization of a machine control system that will be changed from hardwired relay logic to PLC programmed logic. The field devices t...