The Triconex 2658 is a specialized connection module for the Triconex Triple Modular Redundancy (TMR) system . This module provides the physical interface between I/O modules and field termination assemblies . It transmits power and signal lines between the main chassis and remote termination panels . The module supports up to 64 I/O channels per connection assembly . Consequently, the Triconex 2658 simplifies wiring and reduces installation complexity significantly .
Robust Interconnection Architecture
This connection module uses high-density connectors to ensure reliable signal transmission in industrial environments . The Triconex 2658 features gold-plated contacts that resist corrosion and maintain low resistance over time . Furthermore, the module includes mechanical keying to prevent incorrect cable connections . This design prevents accidental damage from improper installation and ensures system integrity .
Fault-Tolerant Design for Critical Systems
The module’s architecture supports Triconex TMR redundancy to maintain system availability . Therefore, the Triconex 2658 contributes to the overall fault tolerance of the safety system . It provides dedicated pathways for each of the three redundant channels . This separation prevents a single point of failure from affecting all channels simultaneously .
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric (Triconex) |
| Model | Triconex 2658 |
| Product Type | Connection Module / Interconnect Module |
| Number of Channels | Up to 64 I/O signals per assembly |
| Contact Material | Gold-plated for corrosion resistance |
| Connector Type | High-density D-sub connectors |
| Temperature Range | –20 °C to +60 °C (operating) |
| Storage Temperature | –40 °C to +85 °C |
| Weight | Approximately 0.4 kg (0.9 lbs) |
| Dimensions | 10.2 x 4.5 x 3.8 cm (4.0 x 1.8 x 1.5 inches) |
| Mounting | DIN Rail compatible |
| Certifications | UL, ATEX, CE |
Termination Panel Compatibility
This module connects directly to compatible Triconex termination panels for seamless integration . The Triconex 2658 supports both analog and digital I/O signal transmission . Users can choose from various termination options to suit specific application requirements . Each connection assembly provides strain relief to protect cables from mechanical stress .
Signal Integrity and Shielding
The Triconex 2658 incorporates shielding to protect signals from electromagnetic interference (EMI) . This shielding ensures reliable data transmission in electrically noisy environments . Moreover, the module uses twisted-pair wiring internally to minimize crosstalk between channels . This design maintains signal quality even in high-density installations .
Installation and Maintenance
Installing the Triconex 2658 requires only standard tools and basic technical knowledge . The module features clearly labeled connectors for simplified field wiring . Its modular design allows easy replacement without disturbing adjacent connections . Furthermore, the module requires no periodic maintenance under normal operating conditions .
Details
| Weight | 2.85 kg |
|---|---|
| Dimensions | 41.2 × 17.8 × 6.2 mm |



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