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CENTUM CS

With the actual implementations in many plants and absolutely high reliability, CENTUM CS has been the best seller of the large scale DCS since its first sale in 1993.

Since it was released in 1993, CENTUM CS is widely applied in the plants of oil refinery, petrochemical, chemistry, iron and steel, non-ferrous metal, metal, cement, paper pulp, food and pharmaceutical industries, and power, gas and water supply as well as many other public utilities.

The excellent operability and engineering technique, and the high reliability proved by the abundant actual application results, guaranteed that the CENTUM CS will continue to play an important role in the 21st century.

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System Configuration Drawing
System Configuration Drawing

Information Command Station (ICS)
A station for operating and monitoring the plant process control.

Console Type ICS
A standard type of ICS with extensive capability and high reliability.

Desktop ICS
The ICS on the desktop, the main body, CRT and keyboard are separated.

PICS
A general-purpose PC used as ICS.

Field Control Station (FCS)
The control unit for plant process control

Node
A remote input and output unit that passes the field signals to FCS control unit via remote buses.

System Configuration Drawing
System Configuration Drawing

Engineering Work Station (EWS)
A workstation with engineering capabilities used for system configuration and system maintenance.

Bus Converter (ABC)
Bus converters are required if a system contains multiple domains or contains the legacy CENTUM project.

Communication Gateway (ACG)
A communication gateway unit is for linking a supervisory computer to control bus.

V Net   Real time control bus for linking FCS, ICS and ABC.

E Net   The information LAN of the system for linking ICSs and EWS.

 

Field Control Station (FCS)

FCS

High reliable hardware that guarantee the plant control in stabilized status, the most important goal for plant control.

The FCS inherits the renowned reliability of the entire CENTUM series. Truly the most reliable FCS in the industry.

Since the processor cards perform control calculations, duplexes dual-redundant configuration of these cards is essential to prevent loss of control upon a hardware failure.In addition, two CPUs are paired in each processor card, thus the transient calculation errors can be detected. (This type of duplexes dual-redundant configuration is referred to as "Pair & Spare" configuration.)

In order to meet various requirements, in the FCS lineup, standard type, compact type and migration type FCSs are available for space saving installation, and high-distributed type FCS is also available for decentralized control structure.

Information Command Station (ICS)

Console Type ICS

Yokogawa provides three types of ICS to match your needs.

Console Type ICS
The Console type ICS is an operator console designed based on the human engineering with extensive capability and high reliability. It has one CRT or two stacked CRTs which support touch-panel function and eight-loop simultaneous manipulation.

Desktop ICS
A space-saving type of ICS with extensive capability and high reliability.

PICS
The ICS is a general-purpose personal computer with UNIX operating system. It also has space-saving advantage.

 Dedicated Operator keyboard

Dedicated Operator keyboard

The dedicated operator keyboard for PHIS is assembled with the dustproof and drip-proof flat keys, and the keyboard maintains the same functionality as the operator keypad fixed atop the console type ICS

 

 

 

 

 

By pursuing the ease of using for the operation and monitoring functions, it creates a reliable operation environment where the operation status of a plant can be exactly reflected.

Operation Panel

The widely praised graphic panel, trend panel and other CENTUM series operation panel are provided. The typical operation panels are explained as follows.

Graphic Panel Overview Panel
Control Panel Trend Panel

 

Multiple Windows

Multiple Windows

Up to ten panels can be tiled or cascaded on display. Since the panels with the required information can be promptly switched, the speedy operation and monitoring becomes possible.

Half-Size Panel

By shrinking the size of panels to one fourth, four panels can be displayed on one screen.

 Large Screen Scroll

The graphic panel 4-time large and 1.5-time large in the screen can be monitored by moving the scroll bars for displaying the desired contents.

 

Overview:
  • The AR1 refinery recently replaced its legacy DCS with Yokogawa's CENTUM CS 3000.
  • Achieving an Intelligent Oil Management System.
Overview:
  • Complete automation and control of glass plant
  • Improved production cycle time and stabilized product quality with reduced energy consumption and costs
Overview:

Since entering commercial operation in 2000, the environmental control facilities at the Tachibanawan Thermal Power Station have been managed effectively by the CENTUM control system, achieving a stable electricity supply with minimal impact on the environment.

Industries:
Overview:
  • Smooth upgrade for fully redundant system and advanced information technology
  • Stable and high-quality sulfonate production around the clock
Industries:
Overview:

Yokogawa Electric Corporation has completed a unique control system project in Arcadia, Florida, which is located in the heart of a beautiful citrus-growing region. Peace River Citrus Products has installed a Yokogawa CENTUM CS 1000 R3 control system to control a proprietary orange juice production process at its citrus processing plant.

Industries:
Overview:
  • Exapilot contributes to safety, reduces cost, and retains operational know-how.
Overview:
  • Exapilot is Effectively Applied to Polypropylene Plant and Optimizes Operation, Cost Savings.
  • By using Yokogawa's Exapilot, Safripol were able to eliminate product variations and kept the operations consistent.
Overview:
  • Exapilot smoothly starts up and shuts down the world's biggest experimental distillation unit.
  • Data visualization is the key, giving operators a complete understanding of what is is going on in the process, in real time.
Overview:
  • Single 'look and feel' operator interface for the DCS and NCS
  • Fast and controllable integration cycle
  • High speed hybrid compressor control solution
  • Reduced OPEX for the compressor operation by replacing old and obsolete PLCs with a modern hybrid control platform
Industries:
Overview:
  • Flawless refinery start-up assured by operator training simulator.
  • The virtual test function of the OmegaLand simulator created the same environments as CENTUM CS 3000.
Overview:

The Itoigawa Power Plant was constructed adjacent to a cement plant in Itoigawa City, Niigata Prefecture, and is operated by an IPP that supplies electricity to Tohoku Electric Power, one of Japan's major power companies. The use of a 149 MW coal-fired CFB boiler in this power plant is a first for an IPP in Japan, and this effectively reduces NOx emissions.

Industries:
Overview:
  • Fieldbus technology introduced to realize predictive and preventive maintenance.
  • ISAE to improve the reliability of diagnosis and parameter setting, utilizing data collected by PRM.
Overview:
  • Successful implementation thanks to coordination, team spirit and parallel engineering
  • Online modifications without stopping production through user friendly engineering tools
Overview:

Nishi Nippon Environment Energy Co., Inc. was founded in 1990 with the concept of a full, safe and comfortable urban life by harmonizing the global environment with energy-savings. Also, as a total energy industry corporation, which is promoting the efficient use of heat energy for the region, it is developing a broad business on the theme of civic improvement in the 21st century by preparing a stable city infrastructure.

Industries:
Overview:
  • Successful, economical implementation of control system
  • Increased process availability, reduced maintenance costs, and lowered cost of ownership
Industries:
Overview:
  • Achievement of 24-hour production schedule with increased output
  • Higher level of reliability and security attained by adding emergency operation system
Industries:
Overview:
  • Integrated automation solutions for high reliability and availability system
  • Reduced consumption of steam, bagasse, and bunker fuel oil with increased daily throughput of massecuite
Industries:
Overview:
  • Implementation of multivariable optimizing controllers and robust quality estimators within a record short period
  • 3% rise expected in CCR feed amount
Overview:
  • Modern waste to energy facility in UK uses CENTUM CS 3000 and ProSafe-RS
  • Lakeside exports at least 34MW per hour to the country's national grid
Overview:
  • World's largest control systems and PIMS for securing production over an extended period
  • Fully-automated, alarm-free operation and reduced total cost of ownership
Industries:
Overview:
  • Accelerated plant commissioning through useful online maintenance
  • Flexible load control-based on-demand change, and more reliable, efficient operation
Overview:

Based in Japan's Nagano Prefecture, Miyota Co., Ltd. is a developer and manufacturer of precision-processed electronic components whose principal business lines are wristwatches, quartz crystal oscillators, and electronic video components such as LCD backlights and microdisplays.

Overview:

The construction of Tuas Power Station started in the mid 1990s. The plant has steadily grown to be a significant player in the competitive Singaporean electricity market. Stage One of Tuas Power Station is equipped with the country's largest steam generators which are capable of producing 600 MW each.

Industries:
Overview:

Mobil Oil Indonesia (MOI) identified Yokogawa as its vendor of choice for all natural gas exploration installations in the north of Sumatra.

Industries:
Overview:
  • World's first offshore regasification terminal relies on Yokogawa ICSS (CENTUM CS 3000, ProSafe-RS).
  • LNG carrier scheduling, unloading, tank storage, and vaporizing are all procedure based operations.
Overview:
  • Integration of previously independent water usage functions into automatic control system
  • Reduced operators' workload and environmental impact
Industries:
Overview:
  • Smooth conversion of existing controls solely by customer
  • Lowered cost of ownership
Industries:
Overview:

PetroChina Guangxi Petrochemical Company has completed construction of a combined refinery and petrochemical production complex in Qinzhou, a port city in China's Guangxi Autonomous Region. With a 10 million ton per year capacity, the refinery is one of China's largest, and is truly world class, using a highly advanced hydrogenation process, with the main process technologies coming from the USA and France.

Overview:

October 2008

The 2008 Frost & Sullivan Asia Pacific Company of the Year Award for Distributed Control System (DCS) market is presented to Yokogawa. Yokogawa is the market leader with a dominant market share in the Asia Pacific market. 

Overview:

For the liquefied natural gas (LNG) industry, which has witnessed healthy growth and large project investments over the last few years, Asia is right at the center of the action. Whenever any sector booms in the economy, as is the case with the liquefied natural gas (LNG) production-transport-gasification distribution network the world over, there is a concomitant growth in the demand for automation solutions.

Overview:

As a world's leading supplier of instruments and control systems for industrial process automation, Yokogawa has committed itself to the development of advanced solutions and products in three focused areas – measurement technologies, industrial automation and control, and information technologies.

Overview:

July 2010

Martin te Lintelo, Yokogawa Europe B.V., The Netherlands, discusses high level control system design for LNG receiving terminals. As demand for LNG increases worldwide, players face seemingly conflicting challenges. On one hand, they must expand capacity in different regions, make the business and production as agile and adaptive as possible, and improve operational efficiency.

Overview:

LNG Industry, Summer 2012

Martin te Lintelo, Yokogawa, The Netherlands, discusses the need for better automation, measurement and control instruments to cope with the rising popularity of LNG.

Yokogawa Technical Report
Overview:

Environmental friendliness (E) must be assessed in today's product design in addition to the conventional design considerations of quality (Q), cost (C), and lead time (D). Hence, the product design system must be urgently restructured in order to minimize the environmental impact of a product throughout its life-cycle from purchase of the materials and parts, through manufacturing and distribution, to use and disposal.

Overview:

In 2005, Yokogawa announced "VigilantPlant" as a concept to ward the realization of a type of plant operation that is considered ideal by our customers.

Yokogawa Technical Report
Overview:

The purpose of blending in a petroleum refinery is to mix semi-finished products that have been rectified during various refining processes so as to manufacture a product that meets specification.

Overview:

The manuals of control systems such as a DCS provide a vast amount of information depending on their multi-functionality and functional integration. A conventional large-scale control system our company offers comes with more than 10,000 pages of paper documents.

Overview:

To improve efficiency and quality in the DCS application coding and inspection phases for an entire CENTUM CS system, engineering tools have been developed, along with the training required to operate these tools. In consideration of the time needed for development, the need for adequate operability, the basis of standard CS software architecture, and the use of freeware (e.g., Perl2 and Tcl/Tk3), we began development of these engineering tools with the objectives to reduce development costs and increase efficiency.

Overview:

A fieldbus is a bidirectional, multidrop, digital communication system developed to replace the conventional 4-20 mA communication lines that connect intelligent field devices with a control system. Fieldbus is continually reviewed in an effort to standardize the fieldbus specifications to comply with the specifications of the IEC and ISA.1

 
Overview:

The development of communications technologies has formed a system structure known as the communication network. This network has not only established itself in the industrial world but also in the general household. The recent spread of technologies such as the Internet has been quite spectacular.

Yokogawa Technical Report
Overview:

One of Yokogawa's corporate philosophies is to contribute to society through broad-ranging activities in the areas of measurement, control, and information. To achieve this philosophy in the control industry, Yokogawa launched CENTUM, the world's first distributed control system (DCS), in 1975.

Overview:

A communication system for connecting stations in the system plays an important role in a distributed control system (DCS). The communication system determines the superiority or inferiority of the entire control system. In DCS communication as represented by CENTUM, a token-passing system and dual bus have been developed.

Yokogawa Technical Report
Overview:

It goes without saying that the reduction of the total cost of ownership (TCO) for various facilities and equipment is an important objective for most enterprises, and distributed control systems (DCSs) are no exception.

Overview:

The phenomenon of the current era, coined the information age, involves a global trend toward digital technology and open architecture. Field devices are no exception to this trend.

Yokogawa Technical Report
Overview:

As controlled objects have become more complex, plant operation schemes more concentrated, and plant operators fewer in number, the degree of engineering for a distributed control system (DCS) has both multiplied and diversified. Despite this, systems are required to be configured in a shorter time while engineering results are required to be of higher quality.

Overview:

The number of work steps involved in engineering a batch process tends to become extremely large compared to continuously controlled processes, if the work is automated using a DCS. This is due to the nature of batch processes and the plants that handle these processes.

Industries:
Overview:

Recipe management software refers to the computer software used to manage product names and their corresponding recipes and set the recipe data in the control system in order to control the operations of a plant in which multiple materials are blended to manufacture a number of different products.

Overview:

The development of the CENTUM CS 1000 distributed control system for small- and medium-scale plants was based on two basic design principles: 1) to have the same architecture as the CENTUM CS and 2) with the objective of becoming a global product.

Yokogawa Technical Report
Overview:

As for a controller used in a distributed control system (DCS) shown in Figure 1, covering as many applications as possible with a single controller will bring cost reduction effects such as easy engineering and a small controller installation area. Therefore, the controller is required to process large amounts of data more quickly.

Overview:

The power generation facility in a pulp and paper plant is comprised of units, each of which is composed of a boiler, a turbine, a generator, and auxiliary equipment, and these pieces of equipment were traditionally controlled on a unit/equipment basis. This paper presents an application of CENTUM, Yokogawa's distributed control system (DCS) that integrates the independent control systems of such power generation facilities to achieve labor saving through operations via CRT display and keyboard.

Industries:
Yokogawa Technical Report
Overview:

In order to run 24 hours a day in large-scale plants, such as an oil-refinery or others, a distributed control station (DCS) requires high reliability. In the CENTUM DCS from Yokogawa Electric Corporation, high reliability of each device and a network (bus) connecting devices have been realized by using techniques such as a dual CPU, dual I/O, and a dual communication bus since sales began in 1975.

Overview:

FCSs, the control stations in a CENTUM CS system, have already demonstrated that they are highly reliable, effective and maintainable. These advantages are the result of such features as the dual-redundant hardware configuration, the online modification of application data, and so on.

Overview:

Industrial automation (IA) systems and products, which utilize measurement, control and information technologies, are used across the world as fundamental infrastructure for achieving safe, stable and highly efficient plant operation. In order to keep the systems and products effective throughout the plant lifecycle, customers need to periodically check their effectiveness and take prompt action if any problem is identified.

Overview:

Report functions in process control are often positioned as part of the logger functions. However, plant operation data in a batch process should be not only logged regularly but also acquired and managed for each batch execution. The report function for logging plant operations in a batch process mainly comprises a function to print out plant operation data collected for each batch execution, and there are various approaches available to implement this function.

Yokogawa Technical Report
Overview:

Since their conception in 1975, distributed control systems (hereinafter, referred to as DCSs) have been changed drastically in accordance with the rapid advancements in computer technology. In terms of hardware technology, the development of microprocessors, memory devices, and communication devices has been significant in regard to both quality and quantity.

Overview:

For a transfer system in a plant, such as a transfer between tanks in a brewery, the transfer of pellets in a pneumatic transport system, or the transfer of oil at an offsite location, it is necessary to monitor the open/close status of valves or the on/off status of motors or blowers in reference to the transfer pattern (a combination of the transfer source(s) and destination(s), route, etc.).

Overview:

Due to emerging competitors from the rapidly growing countries such as India and China and the global economic downturn triggered by the Lehman shock, many companies in the process industries are struggling to survive the severe global competition.

Overview:

The operation and monitoring functions of a plant control system are important means of understanding the condition of the plant and how it operates. Traditionally, user needs for the system focused on such features as increased operability and durability. As a result, these functions were developed for a dedicated machine in the form of dedicated human-machine interface software.

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