3805H | Triconex Analog Output Module | 8-Channel

Triconex 3805H Analog Output Module Overview

The Triconex 3805H Analog Output Module delivers high-reliability control signals for critical process applications. This robust module features triple modular redundant (TMR) architecture to ensure continuous operation. With eight independent output channels, the module provides precise 4-20mA current signals for industrial control systems requiring maximum reliability and fault tolerance.

Key Features and Performance

• 8 isolated analog output channels with TMR protection
• Provides 4-20mA current loop outputs with 6% overrange capability
• Features triple modular redundant design for fault-tolerant operation
• Delivers stable DC-coupled current outputs for precise control
• Includes automatic fault detection and diagnostics
• Supports hot-redundant operation for maximum system availability

Technical Specifications

• Brand: Triconex
• Model Number: 3805H
• Module Type: Analog Output Module
• Architecture: Triple Modular Redundant (TMR)
• Channel Count: 8 independent outputs
• Output Type: 4-20mA current loop
• Overrange Capability: +6% beyond 20mA
• Resolution: 12-bit digital-to-analog conversion
• Accuracy: <0.25% of full scale range
• Output Range: 0-21.2 mA full scale
• Temperature Range: 0° to 60°C (32° to 140°F)
• Coupling Type: DC coupled for stable output
• Shipping Weight: 4 kg complete unit

System Integration

• Designed for seamless integration with Triconex TMR systems
• Provides automatic fault masking and recovery
• Supports online module replacement without system shutdown
• Features built-in output verification for each channel
• Enables real-time health monitoring through system diagnostics

Reliability Features

• Triple redundancy ensures continuous operation during single faults
• Automatic output voting and disagreement detection
• Comprehensive module self-test capabilities
• Robust industrial-grade components for long service life
• Complete isolation between channels for noise immunity

Frequently Asked Questions

• What does TMR architecture provide?
  The triple modular redundant design ensures continuous operation even if one channel fails.
• How many output channels are available?
  The module provides eight fully isolated 4-20mA output channels.
• What is the output accuracy specification?
  The module maintains better than 0.25% accuracy across the entire operating temperature range.
• Can the module handle overload conditions?
  Yes, it supports 6% overrange capability beyond the standard 20mA output.

Contact Information

• Manufacturer: NexAuto Technology Limited
• Technical Support: Original Technical Documentation
• Sales Inquiry: sales@nex-auto.com
• Phone/WhatsApp: +86 153 9242 9628

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