Yokogawa-ProSafe-RS
World’s First Truly Integrated Safety Controller
ProSafe-RS is Yokogawa’s IEC61508 and ANSI/ISA 84 compliant safety system. It has been used in over 2,400 projects, ranging from large scale integrated process automation projects to stand-alone solutions. Yokogawa’s ProSafe-RS safety systems are built with competence, life cycle support and long term sustainability.
World’s First Truly Integrated Safety Controller
Yokogawa puts an end to DCS-SIS incompatibility with the ProSafe-RS, the world’s first truly integrated “safety PLC” for the process industries. Achieving absolute integrity between distributed control system (DCS) and safety instrumented system (SIS) for plant automation has traditionally raised complex design and integration issues. Conventionally, two separate monitoring and operating environments were required for a DCS and SIS. Different communications and distinctive hardware architectures had to be set up. Plant managers striving to optimize process operations have taken it as a given that project time and expenses would escalate.
Yokogawa is a global Japanese leader in process automation, industrial instrumentation and control systems, with more than a century of engineering expertise. The company designs and manufactures a comprehensive portfolio including distributed control systems (DCS), safety instrumented systems (SIS), field instruments, analyzers, recorders and industrial software platforms used to monitor, control and optimize complex industrial processes.
Yokogawa solutions are widely deployed in oil & gas production and refining, petrochemical plants, power generation facilities, chemical processing, pharmaceuticals, water & wastewater treatment and advanced manufacturing industries. Its instrumentation portfolio covers pressure, flow, level and temperature measurement, alongside advanced process analyzers for gas and liquid analysis.
Known for high reliability, measurement accuracy and long-term stability, Yokogawa systems are engineered for continuous operation in mission-critical environments. With strong capabilities in digitalization, lifecycle management and plant safety, Yokogawa supports operational efficiency, process safety and sustainable industrial performance across global industrial infrastructures.

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