The TRICONEX 3805H module is a part of the TRICONEX Safety Systems family, specifically used in process control and safety applications. TRICONEX, manufactured by Schneider Electric, is known for its high-reliability safety instrumented systems, including the 3805H I/O module, which plays a critical role in industrial automation, especially in industries like oil & gas, chemical, and power generation.

Product Name:

TRICONEX 3805H

Product Description:

The TRICONEX 3805H is a high-density, isolated input/output (I/O) module designed for use in Tricon Safety Systems. This module provides flexible input and output options, allowing for high-availability and redundancy. It is specifically designed to manage complex safety-critical applications that require real-time response and reliability, ensuring that the system can handle high-level safety protocols in case of emergency shutdowns or critical process control.

The 3805H is a Hot Backup module with HART communication capabilities, providing diagnostics and enhanced monitoring for the connected field devices. It is part of the larger Tricon architecture, ensuring reliable communication with other modules, such as analog, discrete, and communication modules, to build a fully integrated safety system.

Product Parameters and Specifications:

1. Form Factor:
   • Typically designed as a 19-inch rack-mounted module.
   • Modular design that fits into the Tricon chassis.
2. I/O Channels:
   • Provides high-density I/O configuration, which could range from several dozen to hundreds of channels, depending on the model and application.
   • Inputs/Outputs may include digital (discrete) and analog I/O options.
3. Input Types:
   • Digital Inputs: For monitoring switches, relays, or other on/off devices.
   • Analog Inputs: For signals from sensors measuring variables such as temperature, pressure, flow, etc.
4. Output Types:
   • Digital Outputs: For controlling external devices such as relays, motors, or solenoids.
   • Analog Outputs: For controlling devices such as control valves, actuators, etc.
5. Redundancy:
   • Hot Backup functionality allows the system to provide continuous operation without system interruption, even if one module fails.
6. Power Requirements:
   • Typically operates on a 24V DC power supply.
   • Low power consumption with enhanced reliability.
7. Communication Protocols:
   • HART (Highway Addressable Remote Transducer) communication protocol for field device integration.
   • Modbus and Profibus might also be supported, depending on configuration.
8. Diagnostic Capabilities:
   • Advanced self-diagnostics and online diagnostics features.
   • Supports detailed status reporting for all connected I/O, ensuring fast troubleshooting and proactive maintenance.
   • Provides failure detection and status indication through LED displays or network communication.
9. Environmental Specifications:
   • Operating temperature: 0°C to 60°C.
   • Storage temperature: -40°C to 85°C.
   • Humidity: Typically 5% to 95% RH (non-condensing).
10. Safety Certifications:

• Often meets international safety standards like IEC61508 for functional safety and ISO 13849 for safety-related control systems.

Product Use:

The TRICONEX 3805H module is primarily used in Safety Instrumented Systems (SIS), specifically for applications that require a high degree of reliability and continuous monitoring. Key areas of use include:

• Process Control: To monitor and control critical processes in industries like petrochemical, chemical manufacturing, oil and gas, power generation, and pharmaceuticals.
• Emergency Shutdown Systems: It plays a crucial role in Emergency Shutdown (ESD) applications by ensuring that processes are safely stopped or controlled during hazardous situations or emergencies.
• Critical Alarm Systems: Used for monitoring critical alarm conditions in process plants, ensuring that safety measures are automatically triggered when necessary.
• Redundant Safety Systems: Due to its redundancy capabilities, it is ideal for use in high-availability and fault-tolerant systems where continuous operation is paramount.
• Field Device Integration: It is commonly used to interface with field devices such as temperature transmitters, pressure sensors, flowmeters, and control valves, ensuring safe and reliable operation of industrial systems.