The Triconex 2551 / 7300057-100 is a versatile analog input module for the Triconex Triple Modular Redundancy (TMR) system . This module converts 16 field sensor signals into digital values for safety-critical logic processing . It supports both voltage and current signal types with 12-bit resolution . Furthermore, the module handles input ranges from -10V to +10V and 0-20mA to 20mA . The Triconex 2551 / 7300057-100 ensures accurate measurements with ±0.25% of full-scale precision .
Redundant Architecture for Continuous Operation
This module functions within the Triconex TMR architecture for exceptional fault tolerance . Therefore, the Triconex 2551 / 7300057-100 maintains system integrity even during internal hardware failures . The module supports redundant configurations to further enhance system availability . This design suits safety-critical applications that require IEC 61508 SIL 3 certification .
Built-in Diagnostics for Reliability
The module features continuous self-testing to verify its operational status . Additionally, the Triconex 2551 / 7300057-100 monitors each channel for signal integrity issues . This diagnostic intelligence helps identify potential faults before they affect system performance . The module also includes automatic calibration routines to preserve measurement accuracy .
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric (Triconex) |
| Model | Triconex 2551 / 7300057-100 |
| Product Type | Analog Input (AI) Module |
| Architecture | Triple Modular Redundancy (TMR) |
| Number of Channels | 16 isolated analog inputs |
| Signal Types | Voltage (-10V to +10V) and Current (0-20mA, 4-20mA) |
| Resolution | 12 bits |
| Accuracy | ±0.25% of full scale |
| Input Impedance | 250 Ω (current), 100 kΩ (voltage) |
| Power Consumption | 15 W |
| Dimensions | 20.3 x 7.9 x 4.1 cm (8.0 x 3.1 x 1.6 inches) |
| Weight | Approximately 0.9 kg (2.0 lbs) |
| Safety Certification | IEC 61508 SIL 3 |
| Mounting | DIN Rail |
Environmental Durability
This analog input module operates reliably across a wide temperature range . The Triconex 2551 / 7300057-100 functions from –20 °C to +60 °C in harsh industrial settings . Its aluminum housing provides excellent heat dissipation without requiring active cooling . Moreover, the module’s robust design withstands vibration and shock commonly found in heavy industries .
System Integration and Wiring Options
This module integrates seamlessly with the Triconex TMR system and associated termination panels . The Triconex simplifies field wiring through its termination assemblies . Users can select different termination options to accommodate specific installation requirements . The module’s keyed connectors prevent incorrect installation and ensure proper alignment .
Details
| Weight | 2.85 kg |
|---|---|
| Dimensions | 41.2 × 17.8 × 6.2 mm |
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