Original Triconex 3805E 8‑channel analog output module with TMR design for Tricon safety instrumented system.

Product Overview

Triconex 3805E is an enhanced 8‑channel analog output module for Tricon SIS safety system, adopting TMR triple modular redundant fault‑tolerant architecture. It converts digital control signals into 4‑20mA analog field signals to control valves and actuators, supports comprehensive channel diagnostics, widely used as maintenance spare part for petrochemical, oil‑gas and power plant safety control systems.

Key Features

• 8‑channel analog output, 4‑20mA signal range for field actuators
• TMR triple modular redundant fault‑tolerant design for high safety performance
• 12‑bit high resolution, output accuracy less than 0.25% full‑scale range
• Built‑in per‑channel fault diagnosis and LED status indication
• Hot‑swappable, supports online replacement without system shutdown

• Complies with IEC 61508 SIL3 safety certification standard

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Technical Specifications

• Brand: Triconex (Schneider Electric)
• Model: 3805E
• Channel: 8‑channel analog output
• Signal Range: 4‑20mA
• Resolution: 12‑bit
• Accuracy: ≤0.25% FSR
• Safety Level: IEC 61508 SIL3
• Communication: TriBus backplane bus
• Operating Temp: 0℃ ~ +60℃
• Storage Temp: ‑40℃ ~ +85℃
• Humidity: 5‑95% non‑condensing

• Installation: Tricon rack mount

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Compatibility

Compatible with Tricon series SIS chassis and matching processor modules. System configuration download is required after module replacement.