The TRICONEX AO3481S2 is an Analog Output (AO) module designed for use in the Triconex Tricon safety instrumented system (SIS). 

Its purpose is to provide precise and reliable analog signals to external devices, such as control valves, indicators, and recorders, in safety-critical applications.

Key Features and Functionality

• Analog Output Signals: The module generates analog signals, typically in the standard industrial range of 4-20 mA.

  This allows it to interface directly with a wide variety of field devices that require a continuous control signal, as opposed to a simple on/off state.

• Triple Modular Redundancy (TMR): Like other key components of the Triconex system, the AO3481S2 operates within the Triple Modular Redundancy (TMR) architecture. It has three independent channels that process data and drive outputs.

• This design ensures that the system remains operational even if one of the channels fails, as the other two can maintain the correct output through a voting mechanism. This provides an extremely high level of fault tolerance and reliability.

• High Precision and Accuracy: The module is engineered for high accuracy, typically with a resolution of 12 bits and an accuracy of less than 0.25% of the full-scale range.

• This is essential for applications that require fine-grained control to maintain process stability and safety.

• Built-in Diagnostics: The AO3481S2 includes extensive diagnostic capabilities that continuously monitor the health of the module and the integrity of the output loop.

• It can detect faults such as open circuits, short circuits, and out-of-range signals, providing valuable information for troubleshooting and maintenance.

• Hot-Swappable: As a core feature of the Triconex platform, the module can be replaced while the system is online and running.

• This minimizes downtime and simplifies maintenance procedures, as repairs can be made without interrupting the critical process.

• Safety Integrity Level (SIL) 3: The module is designed to meet the rigorous standards of IEC 61508 for Safety Integrity Level (SIL) 3.

• This certification indicates that it is suitable for use in the most demanding safety-critical applications, such as Emergency Shutdown (ESD) systems and Burner Management Systems (BMS), where a failure could lead to catastrophic consequences.

Recommended products and services

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How to purchase

YMGK offers one-stop global industrial product procurement

Sales Manager: Li Ming

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We have 121 shared inventories worldwide, with direct procurement from overseas warehouses. We offer favorable prices and after-sales warranty services. 

Our customers come from the United States, Germany, Japan, South Korea, the United Kingdom, France, Italy, Canada, Brazil, India, Australia, Russia, Spain, the Netherlands,

Switzerland, Sweden, Belgium, Austria and Turkey

All products are brand new and original. The warranty period for spare parts is one year and they have been tested and certified.

If you need to order more than one product, please contact us and we can offer you a discount.

If you find that other suppliers offer lower prices for the same products, we are also willing to provide you with further discounts based on the budget.

If you have any other questions, please feel free to contact us at any time.