Products Description
The Triconex AI 3351 Analog Input Module is a high-performance device designed for the acquisition and conversion of continuous (analog) signals into a digital format, compatible with Triconex safety and control systems. Specifically designed for use in mission-critical applications, this module accurately processes signals from sensors such as temperature, pressure, flow, and level transmitters, providing essential input to safety and automation systems.
Technical Specifications
| Specification | Details |
|---|---|
| Model | Triconex AI 3351 Analog Input Module |
| Input Channels | 8 or 16 channels (configurable based on model) |
| Input Type | Voltage (0–10V), Current (4–20mA) |
| Resolution | 16-bit analog-to-digital conversion |
| Accuracy | ±0.1% of full-scale input range |
| Signal Conditioning | Built-in filtering and signal conditioning |
| Isolation | Channel-to-channel isolation for noise immunity |
| Mounting | Plug-in module for Triconex I/O racks |
| Power Consumption | Low power consumption per channel |
| Operating Temperature | -40°C to +70°C |
| Operating Humidity | 5% to 95%, non-condensing |
| Diagnostic Indicators | Front-facing LEDs for input and module status |
| Redundancy Support | Compatible with redundant system configurations |
Contact Us
We're here to help you get the most out of your automation solutions.
For product inquiries, technical support, or distribution questions, please reach out to us:
Our address
32D, Hubin South Road No.388, Xiamen 361009, Fujian, China
Phone Number

Key Features
Precise Signal Conversion: Supports 4–20mA, 0–10V, and other standard analog input signals for seamless integration with field devices.
High Accuracy: High-resolution signal conversion ensures precise data is available for safety and control systems.
Industrial Durability: Engineered for continuous operation under harsh industrial conditions, ensuring long-term reliability.
Modular Integration: Easily installed into Triconex I/O racks with full compatibility for system upgrades or expansions.
Diagnostic Support: Integrated diagnostic tools and status indicators for easy monitoring of system health and performance.
Typical Applications
Safety Instrumented Systems (SIS): Collects process signals for real-time safety monitoring and decision-making.
Process Automation: Interfaces with sensors to monitor continuous variables such as pressure, temperature, and flow.
Control Systems: Provides critical data inputs to distributed control systems (DCS) for improved process control.
Critical Infrastructure: Supports real-time data processing for the protection and optimization of critical industrial processes.
Why Choose the AI 3351?
In industrial environments where precision and reliability are critical, the Triconex AI 3351 Analog Input Module ensures accurate and real-time acquisition of process data. The module's high accuracy and wide input compatibility make it ideal for safety and control applications that require robust signal conversion and secure integration into the Triconex system.
With its simple plug-in installation and built-in diagnostics, the AI 3351 provides users with a seamless experience, enabling them to focus on process control and safety, while minimizing downtime and maintenance needs.
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