Redundancy in a process control system means that some or all of the system is duplicated, or redundant. The goal is to eliminate, as much as possible, any single point of failure. When a piece of equipment or a communication link goes down, a similar or identical component is ready to take over.
Robert McIlvride, Andew Thomas, Cogent Real‐Time Systems Inc.
Leaking or overfilled tanks containing chemicals, fuel oil, sewage or hazardous materials can cause environmental problems, contaminate drinking water and cost a company millions of dollars in fines and lawsuits. This white paper discusses instrumentation and controls that can monitor the contents of a vessel and provide an alarm in the event of a leak or overfill event.
This paper will discuss redundant and non-redundant methods for achieving high availability of control systems, as well as improvements in control technology and recommended control system designs. The paper will also highlight features within the Rockwell Automation Integrated Architecture platform and ICS Triplex product lines that can help achieve higher availability.
Balluff experts explain the three fundamental qualities that determine if RFID systems will perform reliably in demanding production environments. It answers three main questions: Will the RFID system integrate seamlessly with industrial control systems? Will it provide the reliability and speed that production and information systems require? Can it maintain uptime and performance long-term?
In this white paper, we've interviewed industry experts who discussed how modern advances in information technology have changed the role of integrators today. They've identified key skills and technologies integrators must embrace in order to keep up with the changing demands of the marketplace and thrive in the future.
If you have responsibility for managing your Energy Costs within your plant or simply want to read about Best Practice SCR techniques -- please complete the form to receive a free copy of "Energy Savings through SCR Hybrid Firing Techniques"
For decades, process instrumentation specifiers have faced the decision whether to use a mechanical switch or a continuous transmitter for a given application. Either type of instrument can be used to effectively control industrial processes and protect equipment and personnel -- and each has associated pros and cons. Application specifics typically drive decision-making, dictating which approach is most effective from performance, cost and lifecycle support perspectives.
The security of industrial automation and control systems becomes increasingly critical as different networks are connected and systems are integrated in a collaborative manufacturing environment. For industrial automation and control systems the potential impact of an attack maybe more serious than for computer systems in general. Users of industrial automation and control systems need to pay correspondingly increased attention to these issues.
Sensors used for temperature monitoring and data acquisition can be quite varied. Applications ranging from simple room temperature monitoring to highly sophisticated batch process control can all be highly dependent on obtaining accurate temperature readings. The primary types of sensors used for this purpose are resistance temperature detectors (RTDs), thermocouples, integrated circuit temperature detectors (ICTDs), thermistors, and infrared sensors.
The emergence of new technologies, new ergonomic standards and increased public awareness of workplace health issues have combined to inspire a dramatic shift in console design. Today's control workstations are smaller, more functional and more aesthetically appealing than earlier generations. Download this informational package to learn more.
The editors of Control and Control Design compiled this special report from the 21st annual Automation Fair event, hosted by Rockwell Automation, in Philadelphia, November 5-8. This interactive PDF includes more than 20 articles documenting highlights ranging from executive keynotes and new product announcements to vertical industry forums and Rockwell Automation Process Solutions User Group and Safety Automation Forum meetings.
Water is a key element to life. It plays an important role in the world economy, as it functions as a solvent for a variety of chemical substances. 71% of the Earth's surface is covered with water and 97% of that water is in oceans and saline. Only 3% of the earths water is fresh and can be found in the polar caps, glaciers, ground aquifers, lakes, swamps and rivers. In parts of the world where there is limited or no access to fresh water, desalination is being used to convert saline water to drinking water. To manage resources and the flow of water, modern electrical pumps and control systems are employed. Water chemical compatibility and electrical interference are two major challenges for the control systems. Let's ook at two major sources of fresh water and the issues that can limit the performance of the control system.
Updated government regulations created a need for a major international oil and gas company to install a direct, real-time communications link at a platform located off the coast of Louisiana in the Gulf of Mexico.
ENI Petroleum is an Italian multinational oil and gas company with around 78,400 employees at sites in 77 countries. ENI operates in the oil and gas, electricity generation and sales, petrochemicals, oil field services construction and engineering industries. It has oil and natural gas production of almost two million barrels per day, with exploration and production efforts at sites throughout North American, Africa and Asia.
One of these production locations is an oil well platform called the "Devil's Tower" that is located just off the coast of Louisiana in the Mississippi Canyon region of the Gulf of Mexico. The platform rises 5,610 ft. above the sea bed. Until 2010, it was the deepest production truss spar in the world. Drill ships perform periodic operations within close proximity to subsea pipelines that transport oil and gas to and from the production platform.
In this white paper, you will learn how a new data concentrator system allowed the control room and drill ships to communicate at a distance of more than 100 km, providing security in case of an incident while avoiding costly shutdowns.
Jim McConahay, P.E., senior field applications engineer, Moore Industries and Richard Conway, facility engineer, ENI Petroleum
Manufacturers have many questions on how to approach their DCS migration, and top automation engineers recently provided answers during a roundtable discussion now available on video for you. Learn from the experts, get platform-independent advice and real-world answers to these questions and more:
How do I get funding for my DCS migration?
- Who are the stakeholders, and how should they be engaged?
- How does up-front planning impact total project cost?
- Why should I bother with a migration if my plant is running?
- How do I objectively evaluate vendor capabilities?
In this new paper, F. Greg Shinskey offers more than a dozen practical ways to reduce cost with process control. These are not theoretical examples, but specific cases from real plants. Learn from one of the masters in the field of process control and see how your plant can benefit today.
Every manufacturing industry is experiencing an increasing speed of business in several areas including changing schedules, customer needs, costs of materials, business models, and technologies. At the same time, many manufacturing sites - particularly in the discrete industries - have growing complexity in their operations which makes it more difficult to adapt. There are more SKUs and data to keep track of due to product proliferation, smaller lot sizes and compliance to government regulations.
The demands for improved speed and agility conflict with the plants' ability to respond. Visibility into current operations, including the control system, is the primary reason manufacturers buy Manufacturing Execution Systems (MES). This visibility provides the information necessary for informed decision making in real-time by all levels of personnel - plant floor to the executives.
MES applications contain the critical business processes for executing a production schedule. These systems perform the production-centric functions of planning, controlling, operating and informing. Control systems execute these functions to produce the goods needed to fulfill customer orders. By integrating MES with control systems, manufacturing becomes more agile for responding to change in this increasingly dynamic business environment. Integrating the control system with the MES allows for more effective and broader set of production management functions to improve operational performance.
To improve their response to operational issues, managers look to technology for connecting plant floor and business systems for automated business processes. Some manufacturers have implemented point solutions on a case-by-case basis. Because of the higher development costs and support issues, this approach is not acceptable. An integration platform is needed.