Control Systems

Project Planning and Implementation of PLC or DCS Control System

S Bharadwaj ReddyNovember 25, 2019November 25, 2019

This article has two objectives: to outline the basic process and key issues in planning, design, construction, and commissioning of a PLC or DCS Control System; and to summarize key...

Documentation and Change Control of PLC or DCS Systems

S Bharadwaj ReddyNovember 24, 2019December 4, 2019

Complete and accurate documentation is critical to the commissioning and ongoing maintenance and operation of a PLC or DCS system and should be a high priority of design contract administration....

Security of Industrial Automation Systems

S Bharadwaj ReddyNovember 20, 2019November 19, 2019

Details on ‘Horizontal’ connectivity considerations Telecommunication infrastructure The main considerations for telecommunications design and performance when deploying horizontal connectivity are briefly described below. These factors are interdependent, and together influence...

Types of System Architecture used in Industrial Automation

S Bharadwaj ReddyNovember 19, 2019November 18, 2019

System architecture: applications and limitations for different use cases This article gives an overview of several architectures for implementing remote functions. All architectures included in this article are for a...

Industrial Automation System Architecture Reference Model

S Bharadwaj ReddyNovember 18, 2019November 17, 2019

Architectures represented are based on the IEC 62443 Industrial Automation and Control Systems (IACS) architecture reference model. The basic model consists of 5 levels. System Architecture Figure 1: An Architecture...

Remote Connectivity to Industrial Automation Systems

S Bharadwaj ReddyNovember 17, 2019November 18, 2019

The remote connectivity to industrial automation systems can potentially enable unauthorized persons to access data, modify systems, introduce malware, or maliciously operate plant equipment. The consequences of such actions could...

Remote Functions in Industrial Control Systems (ICS)

S Bharadwaj ReddyNovember 16, 2019November 16, 2019

The main purpose of remote functions in industrial control systems is usually to limit the number of personnel on the production site, reduce support costs and have easier access to...

Industrial Automation and Control Systems (IACS)

S Bharadwaj ReddyNovember 15, 2019November 29, 2019

As per IEC 62443, Industrial Automation and Control Systems (IACS) refers to the collection of personnel, hardware, and software that can affect or influence the safe, secure, and reliable operation...

Types of Cathodic Protection for Pipeline Protection

S Bharadwaj ReddyOctober 26, 2019

Cathodic Protection There are two general methods of cathodic protection, the galvanic system and the impressed current system. Galvanic System The galvanic system uses a sacrificial anode of a material...

What is Static Grounding?

S Bharadwaj ReddyOctober 25, 2019

Airports require special attention to grounding. They not only handle fuel in close proximity to masses of people, but the airport is usually on high ground and therefore subject to...

Inst Tools

Category : Control Systems