Triconex TMR technology improves safety and efficiency at Brazilian refinery

(On March 30, 2006, Petrobras selected Triconex TMR (Triple Modular Redundant) technology from Invensys Process

Systems for safety instrumented systems (SIS) applications in two major refineries in Brazil.)

The technology will be implemented at the Duque de Caxias refinery (REDUC) in Rio de Janeiro and the Paulinia

refinery (REPLAN) in São Paulo, both among the largest in the Petrobras system. Multiple Tricon safety systems

will be installed in their cracking units.

➪Emergency Shutdown Systems and Simplified Maintenance

The new emergency shutdown systems are part of a refinery modernization program, replacing existing relay panels.

These systems were selected to simplify maintenance, increase asset availability, and improve safety and efficiency.

➪Comprehensive Service Support

Invensys Process Systems Brazil will provide a wide range of services, including configuration, testing, commissioning,

start-up, and training. For the Paulinia refinery, Invensys is also providing all basic and detailed engineering services

throughout the safety systems project.

➪Advantages of Triconex TMR Technology

Triconex TMR technology employs three isolated, parallel control systems with extensive diagnostics integrated into

one system. It uses two-out-of-three voting to ensure high-integrity, error-free, uninterrupted process operation. The

TMR architecture eliminates single points of failure and enables online maintenance, programming downloads, self-

calibration, and fault localization.

Through this project, Triconex TMR technology will provide safe and reliable process operations for the two major

Brazilian refineries, while improving maintenance efficiency and productivity.

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Triconex 3708E Thermocouple Analog Input Module

The Triconex 3708E is a Thermocouple Analog Input Module designed for use in the Triconex safety instrumented system (SIS),

which provides high-integrity safety functions in industrial automation applications. The 3708E module features digital output

channels that are used to control field devices such as valves, actuators, and relays. It operates within the Triple Modular Redundant

architecture, ensuring high availability and fault tolerance by employing three independent channels with two-out-of-three

voting logic. The module offers fail-safe operation, which ensures the outputs will default to a safe state (typically OFF) in the

event of a fault or failure. Overall, the Triconex 3708E is essential for reliable and secure control in critical safety applications,

contributing to safe shutdowns, emergency controls, and other safety-related functions in process industries.

Triconex 3006 Main Processor Module

The Triconex 3006 is a Main Processor Module designed for use in the Triconex safety instrumented system (SIS). It provides

reliable and redundant power to the Triconex system, which is essential for the high-integrity, fault-tolerant operations in critical

safety applications. The Triconex 3006 CPU Main Processor Module is critical for maintaining the uninterrupted and safe operation

of safety-related processes in industries like oil and gas, chemicals, and power generation.

The Invensys Triconex 3805H is an Analog Output Module designed for use in the Triconex safety instrumented system (SIS). It

provides high-integrity, fault-tolerant control of analog signals in safety-critical applications, such as process control and emergency

shutdown systems. The Triconex 3805H Analog Output Module is essential for providing reliable, fault-tolerant control of analog signals

in safety-critical industrial environments.