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TRICONEX 3806E

TRICONEX 3806E Analog Output Module (TMR, High-Current) – Full Overview

Product Description

The TRICONEX 3806E is a Triple Modular Redundant (TMR) analog output module designed for Tricon Safety Instrumented Systems (SIS). It converts digital control signals into precise analog current outputs for controlling critical field devices such as valves, actuators, and turbines.

Engineered for high-reliability industrial environments, the 3806E ensures continuous operation even in the event of hardware failure, making it ideal for SIL3 safety applications.

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Key Specifications

• Model: 3806E
• Product Type: Analog Output Module (TMR)
• Output Channels:
  • 6 × 4–20 mA
  • 2 × 20–320 mA (high current)
• Resolution: 12-bit
• Accuracy: ≤ 0.25% full scale
• Power Supply: 24 VDC nominal
• Max Loop Voltage: 42.5 VDC
• Response Time: < 10 ms (failover)
• Operating Temperature: 0°C to 60°C
• Redundancy: Triple Modular Redundancy (TMR)

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Key Features

• TMR Architecture
  • Three independent channels ensure fault tolerance and continuous operation
• High-Current Capability
  • Supports up to 320 mA output, ideal for heavy-duty actuators
• Built-in Diagnostics
  • Real-time monitoring with status LEDs (PASS, FAULT, ACTIVE, LOAD)
• High Accuracy Control
  • Stable analog output for precise process control
• Redundant Power Support
  • Ensures uninterrupted system performance

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Applications

• Emergency Shutdown Systems (ESD)
• Oil & Gas platforms
• Power generation (turbine control)
• Chemical & petrochemical plants
• Industrial automation systems

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TRICONEX 3806E vs 3805E vs 3805H

Feature	3806E	3805E	3805H
Output Type	Analog Output (TMR)	Analog Output	Analog Output
Channels	6 + 2 high-current	8 (4–20 mA)	8 (4–20 mA)
High Current Output	✅ 20–320 mA	❌	❌
Accuracy	≤0.25%	≤0.25%	≤0.25%
Application	Heavy-load control	Standard control	High-performance standard
Best Use	Valves, actuators, turbines	General process loops	Faster / enhanced systems

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Why Choose 3806E?

• Ideal for high-load applications
• Better suited for actuators requiring >20 mA
• Maintains SIL3 safety integrity
• Provides maximum reliability in critical systems