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Safety system for process automation applications.

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article image Constantly monitor the status of oil, natural gas, petrochemical, and other process applications.

YOKOGAWA has released ProSafe-RS, a new safety system for integrated use with process automation (PA) applications. It is used to constantly monitor the status of oil, natural gas, petrochemical, and other process applications. It ensures safety by shutting down a plant whenever an unexpected condition is detected.

The system can be integrated with Yokogawa's Centum series of process control systems, eliminating the need to build process control and safety systems separately. As a result, plant information can be managed centrally and the integrated information contributes to greater operational efficiency and safety.

The process control and safety systems can share the same control network and human interface station as well as data. The ProSafe-RS can be operated and monitored using the equipment of the process control system. As operators can perform safety monitoring in an operation and monitoring environment that they are already familiar with, overall plant safety is improved. Alarms reported by the process control system and by the safety system can be simultaneously displayed on a single screen for quick response.

Even if the I/O boards are mounted in a single configuration, Safety Integrity Level (SIL) 3 is achieved because the ProSafe-RS uses the same technology that was developed for the Centum series. To ensure higher levels of system availability and fault tolerance, both the CPU and the boards on the ProSafe-RS can be configured for dual redundancy, and this option is now easier to implement because the boards are half the size of those used in previous controller versions.

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