Description
| Feature | Specification |
| Manufacturer | Triconex (Schneider Electric) |
| Part Number | 3401 |
| Module Type | Digital Input (DI) Module |
| Architecture | Triple Modular Redundancy (TMR) |
| Number of Channels | 32-Channel (Isolated) |
| Input Voltage | 24V DC (Nominal) |
| Operating Range | 15V to 30V DC |
| Input Current | Typical 4mA @ 24V DC |
| Isolation | 1500 Vrms (Field to Logic) |
| Point-to-Point Testing | Integrated Continuous Self-Testing |
| Status Indicators | Module Status (Pass, Fault, Active) and 32 Input LEDs |
| Compatibility | Tricon v9, v10, and v11 Systems |
TRICONEX 3401
TRICONEX 3401
TRICONEX 3401
The TRICONEX 3401 is a high-density discrete input module designed for safety-critical applications requiring the highest level of fault tolerance. Utilizing a Triple Modular Redundancy (TMR) architecture, each of the 32 input channels is independently processed by three separate legs to ensure that a single component failure does not compromise the safety function. This module is widely used in Emergency Shutdown (ESD) and Fire and Gas (F&G) systems within the oil, gas, and petrochemical industries to provide reliable monitoring of critical field switches and digital sensors.
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