🟢 Product Overview – Triconex AO2481 Module
The Triconex AO2481 is a high-precision analog output module designed for use within Triconex safety and process control systems. This module provides reliable and deterministic analog signal output, ensuring the safe and accurate control of field devices in mission-critical industrial environments. With its robust architecture, the AO2481 is engineered to operate under harsh conditions, offering exceptional performance for sectors such as oil & gas, chemical, power generation, and transportation systems.
The module supports high-resolution analog outputs with advanced fault diagnostics, enabling operators to maintain safe operational limits while improving system uptime. Its integration into Triconex Triple Modular Redundancy (TMR) systems ensures continuous availability and compliance with IEC 61508 SIL 3 standards.
⚙️ Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | AO2481 |
| Manufacturer | Triconex (Schneider Electric) |
| Module Type | Analog Output Module |
| System Compatibility | Triconex TMR and single-channel systems |
| Output Channels | 8 analog outputs per module |
| Output Signal Range | 0–20 mA, 4–20 mA, configurable |
| Resolution | 16-bit DAC |
| Accuracy | ±0.05% of full scale |
| Update Rate | 10 ms typical per channel |
| Isolation Voltage | 1500 V DC galvanic isolation |
| Power Supply | 24 V DC nominal |
| Current Consumption | 200 mA typical at 24 V DC |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | –40°C to +85°C |
| Humidity Range | 5%–95% non-condensing |
| Diagnostics | LED indicators, software-based status monitoring |
| Dimensions (H × W × D) | 125 × 35 × 110 mm |
| Weight | Approx. 250 g |
| Mounting | Backplane rack mount |
| Certifications | SIL 3, CE, UL, IEC 61508 |
| MTBF | 200,000 hours typical |
💡 Key Features
- High-Resolution Analog Outputs: Ensures precise control of actuators, valves, and other field devices.
- Redundant Safety Integration: Compatible with Triconex TMR systems for uninterrupted operation during module failure.
- Robust Diagnostics: Provides real-time status monitoring and fault detection for predictive maintenance.
- Hot-Swappable: Allows module replacement without system downtime, enhancing operational continuity.
- Industrial Reliability: Resistant to vibration, temperature fluctuations, and electrical noise common in industrial environments.
- Flexible Signal Range: Supports standard industrial 0–20 mA and 4–20 mA analog output configurations.
- Seamless Integration: Fully compatible with Triconex controllers and I/O networks for deterministic process control.
🧰 Installation and Maintenance
The AO2481 module is installed within Triconex backplane racks and connects to the analog field devices via terminal blocks. Proper grounding and shielding are essential to maintain signal integrity.
Routine maintenance involves visual inspection of LEDs, checking connections, and performing system diagnostics through Triconex engineering software. Firmware and configuration settings can be updated without interrupting control operations, thanks to the module’s hot-swappable design.
Regular verification of output signals against process requirements ensures accuracy and compliance with industrial safety standards. Predictive diagnostics reduce unplanned downtime and help maintain continuous operational efficiency.
⚡ Applications
- Oil & Gas: Provides precise analog outputs for safety shutdown systems, valves, and actuators.
- Chemical & Petrochemical Plants: Controls critical reaction parameters and flow processes.
- Power Generation: Interfaces with turbine, generator, and auxiliary equipment for precise analog control.
- Pharmaceutical Manufacturing: Ensures exact dosing and process control through high-accuracy analog signals.
- Transportation & Infrastructure: Supports automated signaling, flow, and process control in complex systems.
The AO2481 module is crucial wherever high-precision, safe, and reliable analog output is required, especially in safety-critical environments.
🌍 Industrial Insight
In today’s era of Industry 4.0 and smart manufacturing, accurate analog output modules like the Triconex AO2481 are critical for achieving deterministic control, predictive maintenance, and digital twin integration. By providing reliable high-resolution outputs with comprehensive diagnostics, this module supports operational continuity, reduces unplanned downtime, and improves overall system safety.
Industries are increasingly integrating Triconex analog modules with advanced analytics platforms to monitor process performance, optimize energy usage, and ensure compliance with international safety standards. The combination of redundant hardware, diagnostic intelligence, and high-precision outputs makes the AO2481 an indispensable component in modern industrial automation.
🧿 Similar Recommended Models
| Model | Description | Compatibility | Hyperlink |
|---|---|---|---|
| AO2480 | 8-channel analog output module | Triconex TMR Systems | https://www.dcsplcsystem.com/ |
| AO2482 | Redundant analog output module with enhanced diagnostics | Triconex TMR | https://www.dcsplcsystem.com/ |
| AO2475 | High-speed analog output for fast process loops | Triconex Controllers | https://www.dcsplcsystem.com/ |
| AO2490 | Mixed I/O analog module with integrated monitoring | Triconex Safety Systems | https://www.dcsplcsystem.com/ |
| AO2478 | Compact analog output module with TMR support | Triconex Modular Systems | https://www.dcsplcsystem.com/ |
🔒 Precision | ⚡ Reliability | 🧠 Intelligent Diagnostics | 🌍 Operational Continuity
The Triconex AO2481 Module provides high-accuracy analog outputs, robust diagnostics, and seamless integration into safety-critical systems, making it a vital component for modern industrial automation and mission-critical process control.

