The TRICONEX system, in full compliance with IEC61508/61511 standards, uses today's state-of-the-art TMR microprocessor hardware technology and reliable TRISTATION 1131 software for triple redundancy fault-tolerant control. The system has high reliability and high utilization rate, and is widely used in petrochemical, oil refining, oil and gas, chemical industry, electric power, rail transit, aerospace, nuclear industry