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Safety Instrumented System ProSafe-RS

Safety Instrumented System ProSafe-RS
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Bulletin 32S01B10-01E www.yokogawa.com/iss/ Safety Instrumented System Expanding the Safety Spectrum Safety Instrumented System

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Upstream Downstream Offshore With its industrial automation solutions, Yokogawa is committed to being a vigilant partner for its customers and to helping them achieve Operational Excellence, Asset Excellence, and Safety Excellence. One such core solution is the ProSafe-RS safety instrumented system (SIS), which plays a crucial role in ensuring plant safety and draws from our supremely reliable distributed control system (DCS) technology and strong track record in the DCS and SIS businesses. Before ProSafe-RS, DCSs and SISs were typically supplied by different vendors and required extra...

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Circuit, MPU Circuit, MPU Circuit, MPU Circuit, MPU MPU, memory MPU, memory MPU, memory MPU, memory Circuit, MPU Circuit, MPU Circuit, MPU Circuit, MPU When an even higher level of system availability and fault tolerance is required, ProSafe-RS can be made dual redundant by simply plugging in an additional card. This exible plug-in capability is called “Versatile Modular Redundancy” (VMR®). Because the I/O and processing functions of ProSafe-RS are modularized right down to the function level, redundancy can be applied exactly where it is needed – to the input, output, and processor modules...

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Despite having a dual redundant circuit design, the CPU and I/O modules are exceptionally compact. The node height of just 266 mm (10.47 inches) permits installation in conned locations. Up to 14 nodes can be congured (one CPU node and 13 I/O nodes) per system, providing the exibility to accommodate a wide range of I/O points requirements. Thanks to high-density I/O modules, up to 1500 I/O points can be handled per system. Even with the maximum conguration, all system nodes can be installed in three standard racks. Further, Yokogawa’s proprietary Vnet/IP network with its eld-proven dual...

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Environmental Robustness ProSafe-RS has an excellent remote I/O function that enables the linking in either a chain or star topology of I/O modules that are up to 50 km (31 miles) apart. This makes it possible for controllers in a central control room to communicate with I/O modules in distant locations, thereby reducing system hardware and maintenance costs. And by combining distributed controllers on Vnet/IP, they can be allocated more flexibly. As remote I/O employs a fiber-optic link, the system response time from input to output through the CPU is the same as with local I/O. Even at...

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To prevent others from making undesired changes to the system, security settings can be congured for the safety controllers, the databases stored on the engineering workstation can be password protected, and access to the engineering workstations can be restricted. Furthermore, security functions protect against virus and other forms of cyberattacks, ensuring safety even in an integrated networking environment. One Network ProSafe-RS can function as an independent SIS, but is designed to deliver even greater benefits when used in combination with a DCS (CENTUM), SCADA system (FAST/TOOLS),...

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Operators can access both DCS and SIS data from the control system’s human-machine interface (HMI) station. This one window on the two systems simplies the task of handling their data and alarms and eliminates the time consuming and expensive construction of separate monitoring environments. To maintain safety, access to the safety function is password protected. By using dedicated engineering tools which require no programming, an integrated environment can be built rapidly and effortlessly. Furthermore, the status of all the devices connected to the SIS, DCS, and SCADA system via the...

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Partial Stroke Test Proof Testing Easier, Safer, and More Secure Application logic can be programmed in any of three IEC 61131-3-compliant languages: Function Block Diagram (FB), Ladder Diagram (LD), and Structured Text (ST). In addition to safety controls, these languages enable PID controls to be executed. Integrity Analyzer checks whether application programs are using certied elements. Cross Reference Analyzer reports on any changes from the previous program versions and on any impact this might have. These functions can dramatically decrease the time required to check a program prior...

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Subject to change without notice All Rights Reserved. Copyright © 2005, Yokogawa Electric Corporation [Ed:09/b] Printed in Japan, 911(KP) YOKOGAWA ELECTRIC CORPORATION World Headquarters 9-32, Nakacho 2-chome, Musashino-shi, Tokyo 180-8750, Japan http://www.yokogawa.com/ YOKOGAWA CORPORATION OF AMERICA 2 Dart Road, Newnan, Georgia 30265, USA http://www.yokogawa.com/us/ YOKOGAWA EUROPE B.V. Euroweg 2, 3825 HD Amersfoort, The Netherlands http://www.yokogawa.com/eu/ YOKOGAWA ENGINEERING ASIA PTE. LTD. 5 Bedok South Road, Singapore 469270, Singapore http://www.yokogawa.com/sg/ YOKOGAWA CHINA...

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