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　　3500/33 Other names:

　　Multi channel relay module 3500/33

　　3500/33 monitoring card

　　Analog module 3500/33

　　The Bently Nevada 3500/22M TMR (Triple Modular Redundancy) relay module is a high-performance component designed for applications that require extremely high reliability and safety. It uses three independent relays to provide redundant support, ensuring the stability and reliability of the system. This module is widely used in industrial automation, process control, and critical equipment protection due to its robust design and advanced functionality.

　　The Bently Nevada 3500/22M TMR relay module is an important component of the 3500 series mechanical protection system, which supports triple module redundancy technology and is designed to meet the high reliability requirements of safety instrumented systems in standards such as ISA S84.01-1996. This module implements a 3-to-2 voting mechanism through three independent relay outputs, thereby improving the overall reliability and safety of the system.

　　Main features:

　　Triple Modular Redundancy (TMR): This module adopts a triple redundant relay design, utilizing three independent relays to generate a single relay output. This design significantly improves the reliability and safety of the system, as even if one relay fails, the other two relays can continue to operate, ensuring the continuous and stable operation of the system.

　　3-to-2 voting output: When used in conjunction with a dedicated TMR framework interface module and three monitor modules, this module further enhances the reliability and accuracy of the system through a 3-to-2 voting output mechanism. This means that at least two outputs between the three monitor modules must be consistent to trigger relay action, effectively eliminating single point faults and improving fault tolerance.

　　Alarm driver logic: Each relay within the module contains an "alarm driver logic" that can be programmed through the 3500 framework configuration software to perform AND and OR functions. This enables the module to adapt to alarm inputs from any monitoring channel or multiple channels within the framework, thus flexibly meeting various complex monitoring requirements.

　　Compliance and Standards: The Bently Nevada 3500 series (including 3500/22M TMR relay modules) is designed to comply with strict standards such as API670, indicating its compliance with the requirements for mechanical protection systems in critical applications such as the oil and gas industry.

　　Alarm Drive Logic: Each relay in the Bently Nevada 3500/22M TMR module contains "Alarm Drive Logic". This logic can be programmed through AND and OR functions to adapt to alarm inputs from any monitoring channel within the framework, including warnings and hazards. The alarm driver logic is programmed using 3500 framework configuration software according to various application requirements, enabling the module to flexibly meet complex monitoring requirements.

　　The TMR relay module uses three independent relays, each containing "alarm drive logic" that can be programmed by the user to perform "AND" and "OR" operations to handle alarm inputs (warning and danger) from any or several monitor channels in the framework.

　　The alarm driving logic is programmed by the 3500 framework configuration software according to different application requirements, ensuring that each relay channel can accurately output alarms according to the preset logic.

　　Redundancy support:

　　The TMR relay module consists of two parts: TMR relay module (two) and TMR relay input/output (I/O) module. Through programming, two TMR relay modules simultaneously perform the same function, effectively providing redundant support.

　　If the OK status of a data channel is NOT OK, the alarm contact signal related to that channel will be set to invalid, thereby avoiding system failure caused by a single channel failure.

　　High flexibility:

　　TMR relay modules can be flexibly configured according to different application requirements to meet various complex safety instrumented system requirements.

　　Users can program and configure TMR relay modules through the 3500 framework configuration software to achieve precise control of system alarm logic.

　　Implementation and use:

　　According to existing information, implementing or using Bently Nevada 3500/22M TMR relay modules typically requires integrating them into existing mechanical protection systems.

       This may involve:

　　System configuration: Configure modules within the system software to ensure correct operation according to application requirements. This may include setting the input/output connections of the module, configuring logical operations, and defining operational parameters.

　　Installation: Physically install the module in the designated slot within the system chassis, ensuring proper electrical connections and compliance with safety guidelines.

　　Testing and Validation: Conduct testing to verify the functionality and performance of the module, ensuring its normal operation within the system and meeting expected reliability and redundancy standards.

　　Attention:

　　Application Applicability: Given its high reliability and safety standards, the Bently Nevada 3500/22M TMR relay module is particularly suitable for critical applications that cannot tolerate downtime.

　　Configuration flexibility: The ability to program alarm driven logic provides great flexibility, allowing modules to be customized according to specific application requirements.

　　System Integration: This module seamlessly integrates with the Bently Nevada 3500 framework, utilizing its comprehensive functionality to improve performance and reliability.

　　In summary, the Bently Nevada 3500/22M TMR relay module represents a cutting-edge solution for demanding industrial applications, providing unparalleled reliability, safety, and configurability. The triple redundancy design, combined with complex voting mechanisms and programmable alarm driver logic, makes it an indispensable component of critical systems where uninterrupted operation is crucial.

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