tricon 3805E | triconex3805E (TMR) Analog Output Modules.The 3805E is a Triconex (now part of Schneider Electric) TMR (Triple Modular Redundancy) analogue output module designed for Safety Instrumented Systems (SIS) and highly critical applications where safety, reliability and redundancy are essential.The 3805E module is an integral part of the Tricon system and is widely used in the oil and gas, chemical processing, power generation and water treatment industries.
The 3805E analogue output module plays a vital role in outputting analogue signals to control and monitor field devices, actuators and other equipment in industrial systems. It helps maintain precise control of physical processes and ensures that safe operations are performed reliably, especially in the event of malfunction or failure.
Technical Specifications
Output current range: 4-20 mA 3
Output impedance: 250 ohms 3
Accuracy: <0.25% (in range of 4-20 mA) 3
Overrange protection: +42.5 VDC 3
Switching time: <10 ms 3
Dimensions: 16cm x 16cm x 12cm 13
Weight: 1.5kg
Key Features of the Triconex 3805E Analog Output Module:
Triple Modular Redundancy (TMR)
The 3805E module is based on the TMR architecture, which provides three processors working in parallel to ensure redundancy and fault tolerance. In this configuration, even if one of the processors or channels fails, the other two can continue functioning, preventing system downtime and maintaining safety in critical applications.
High Reliability
The TMR design provides exceptional reliability in safety-critical applications, where continuous operation is essential. The module ensures that analog output signals are delivered with high integrity and accuracy, even in the case of individual component failures.
Fault Detection and Diagnostics
The 3805E module features advanced diagnostics that constantly monitor the health of the module and its components. This feature allows for the early detection of potential faults or failures, reducing the risk of unsafe operations and allowing maintenance teams to address issues before they impact the system's performance.
Versatile Input/Output Options
The module is designed to handle various types of analog output signals, making it suitable for a wide range of industrial applications. It typically supports 4-20 mA outputs, 0-10 VDC, or other industry-standard ranges, providing flexible control for field devices like actuators, valves, and motors.
Real-Time Performance
The 3805E ensures real-time performance to handle the rapid response requirements of critical systems. The analog output signals are generated and transmitted to control devices quickly, ensuring that actions such as emergency shutdowns or process adjustments are executed without delay.
Modular Design
The Triconex 3805E module is part of a modular system, which means that it can be integrated easily into existing Tricon systems and provides the flexibility to expand the system as needed. Modules can be swapped in and out for maintenance without disrupting the system.
Safety Integrity Level (SIL) Certification
The 3805E Analog Output Module is designed to meet the safety standards required for Safety Instrumented Systems (SIS). It is compliant with IEC 61508 and IEC 61511 standards, ensuring that it can meet the necessary Safety Integrity Level (SIL-2 or SIL-3) required for safety-critical applications.
Redundant Power Supply
The 3805E module is designed to be used with redundant power supplies to ensure that it remains operational even in the event of a power failure. This redundant power configuration further enhances the module’s reliability in safety-critical applications.
Fieldbus Compatibility
The module is compatible with a variety of field communication protocols, allowing for easy integration with different types of field devices and controllers. This interoperability is essential in modern industrial control systems, which often involve complex networks of interconnected equipment.
Environmental Protection
The 3805E is designed for industrial environments where it may be exposed to high temperatures, humidity, vibrations, and electrical interference. Its robust design ensures reliable operation under these harsh conditions, making it ideal for use in oil and gas rigs, chemical plants, and other demanding environments.
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