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Product Introduction
The Triconex 3806E Analog Output Module is a high-performance, safety-rated component designed for use in critical process control environments. Part of the Tricon™ safety instrumented system (SIS) family by Schneider Electric, this analog output module provides precise and reliable signal transmission for actuators, control valves, and other analog-driven devices.
Engineered for mission-critical applications, the 3806E module outputs continuous analog signals (4-20 mA) with full diagnostic support and triplicated redundancy, aligning with Triconex’s industry-leading fail-safe philosophy. The module plays a pivotal role in safety-related systems certified to SIL 3, as per IEC 61508 standards.
Whether in oil & gas, nuclear energy, chemical processing, or power generation, the Triconex 3806E delivers stable and accurate analog outputs, ensuring both process efficiency and operational safety.
Product Specifications
| Parameter | Specification |
|---|---|
| Model Number | 3806E |
| Function | Analog Output Module |
| Output Signal Type | 4–20 mA current loop (sink or source) |
| Number of Channels | 8 isolated channels |
| Channel Resolution | 12-bit (4096 levels) |
| Output Accuracy | ±0.1% of full scale |
| Maximum Load Resistance | 750 Ω |
| Isolation | Channel-to-channel and channel-to-backplane isolation |
| Output Diagnostics | Open circuit, short circuit, out-of-range detection |
| Safety Level | SIL 3 (IEC 61508) |
| Redundancy | TMR (Triple Modular Redundancy) |
| Power Supply | 24 V DC (from Tricon system backplane) |
| Operating Temperature Range | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature Range | -40°C to 85°C (-40°F to 185°F) |
| Humidity | 5% to 95% non-condensing |
| Certifications | CE, ATEX, SIL3, CSA, UL |
| Mounting | Plug-in to Tricon chassis backplane |
| Dimensions (H x W x D) | 76.2 ×169.16 × 107.95 mm |
| Weight | 1.5 kg |
Product Applications
-
Emergency Shutdown Systems (ESD)
Used in critical safety applications where accurate analog output is required for valve positioning or actuator control during shutdown events. -
Process Automation in Oil & Gas
Interfaces with control valves and metering systems to ensure precise and safe flow regulation. -
Nuclear Power Plants
Delivers dependable analog signals in reactor control and monitoring circuits, with built-in redundancy and diagnostics. -
Chemical Processing Plants
Enables safe and accurate modulation of chemical feed rates in highly sensitive environments. -
Energy and Utility Systems
Supports turbine control, power modulation, and environmental compliance in energy production.
Product Advantages
-
Triple Modular Redundancy (TMR)
Offers exceptional fault tolerance with three parallel CPUs and voting logic, ensuring output integrity even in the event of a partial failure. -
High Output Accuracy
Delivers precise analog signals, critical for applications requiring tight control tolerances. -
Advanced Diagnostics
Onboard diagnostics detect and report anomalies like open loops and signal inconsistencies in real-time. -
Flexible Analog Output Configuration
Supports both sinking and sourcing current output, adaptable to different field device requirements. -
Safety Certified (SIL 3)
Complies with the highest safety integrity standards for industrial automation and protection systems. -
Hot-Swap Capability
Supports module replacement without system shutdown, reducing downtime and improving system availability.
Frequently Asked Questions (FAQ)
-
What type of analog signal does the 3806E module output?
It provides 4–20 mA current output per channel, which is standard in process control. -
How many channels are available on the 3806E module?
The module supports 8 individually isolated analog output channels. -
Is this module SIL 3 certified?
Yes, it is certified for use in SIL 3 applications in accordance with IEC 61508. -
What kind of diagnostics are included in the 3806E?
The module includes open circuit detection, short circuit detection, and out-of-range alerts. -
Does the module support TMR architecture?
Yes, the 3806E uses Triple Modular Redundancy to ensure high availability and fault tolerance. -
Can the module be hot-swapped during operation?
Yes, it supports hot-swapping, allowing for maintenance without halting system operation. -
What is the maximum load resistance supported?
The module can support up to 750 ohms of load resistance. -
What power supply does the module require?
It draws power from the Tricon backplane, typically 24 V DC. -
What is the physical size and weight of the 3806E module?
The module measures 76.2 ×169.16 × 107.95 mm and weighs about 1.5 kg. -
Is the module compliant with hazardous area certifications?
Yes, it holds ATEX, CSA, UL, and CE certifications for operation in demanding environments.
Related Models (Same Series / Similar Function)
| Model | Description |
|---|---|
| Triconex 3506 | Digital Output Module (TMR architecture) |
| Triconex 3700A | Analog Input Module, high precision |
| Triconex 3805E | Analog Output Module, 4 channels |
| Triconex 3503E | Digital Input Module |
| Triconex 3703E | High-density Analog Input Module |
| Triconex 3625 | Pulse Input Module |
Popular Triconex Models (Same Brand)
| Model | Description |
|---|---|
| Triconex 3008 | Main Processor Module, core of Tricon TMR system |
| Triconex 3503E | Digital Input Module for safety applications |
| Triconex 3700A | 16-channel Analog Input Module |
| Triconex 3625 | High-speed Counter Module |
| Triconex 8300 | Communications Interface Module |
| Triconex 9852 | Redundant Power Supply Module |
