Product Overview
The Triconex 2551 7400058-110 serves as a versatile communication terminal board for Triconex Safety Instrumented Systems. It provides a centralized connection point for multiple industrial protocols to interface with the safety logic solver. This board ensures reliable data exchange and easy field wiring termination for critical applications.
Key Technical Specifications
Engineers select this terminal board for its multi-protocol support and redundant design. Its compact form factor simplifies cabinet layout while maintaining high system availability. Below, we detail the core technical parameters.
| Specification | Details |
|---|---|
| Product Type | Communication Terminal Board |
| Manufacturer | Triconex (Schneider Electric) |
| Part Number | 2551 7400058-110 |
| Series | Triconex Safety Instrumented Systems (SIS) |
| Communication Protocols | Supports Ethernet, Modbus, and Profibus simultaneously |
| Data Rates | Supports communication speeds up to 100 Mbps |
| Network Ports | 2 x Ethernet ports, 1 x Modbus port, 1 x Profibus port |
| Power Supply | Requires external 24 VDC power input |
| Redundancy | Features redundant power supply inputs for high availability |
| Maintenance | Fully hot-swappable design for uninterrupted system operation |
| Compatibility | Backwards compatible with older Triconex I/O modules and systems |
| Physical Dimensions (W x H x D) | 222 mm x 107 mm x 35 mm (8.74 in x 4.21 in x 1.38 in) |
Detailed Features and Benefits
Multi-Protocol Connectivity for Flexible Integration
The Triconex 2551 7400058-110 simultaneously supports Ethernet, Modbus, and Profibus communication protocols. This flexibility allows you to connect the safety system to various plant networks and devices. Consequently, you can integrate critical safety data without requiring multiple specialized interface modules.
High-Speed Data Transfer for Real-Time Monitoring
With support for data rates up to 100 Mbps, this board ensures fast and reliable communication. It handles large volumes of process data between the Triconex system and external controllers. Therefore, operators receive real-time status updates for informed decision-making.
Redundant Power Design for Maximum Availability
The board includes inputs for redundant 24 VDC power supplies to ensure continuous operation. If one power source fails, the board automatically switches to the backup supply without interruption. This feature proves essential for safety applications where downtime is not an option.
Hot-Swappable Maintenance for Uninterrupted Operations
You can replace or service the 2551 board while the system remains fully operational. Its hot-swappable design eliminates the need to shut down processes for routine maintenance. As a result, you achieve higher overall plant availability and safety system uptime.
Broad Compatibility with Legacy and Modern Systems
This terminal board maintains backwards compatibility with older Triconex I/O modules and system configurations. It allows you to upgrade communication capabilities without replacing existing field wiring. Thus, you protect your prior investments while modernizing your safety infrastructure.
Details
| Weight | 0.595 kg |
|---|---|
| Dimensions | 18 × 225 × 209.7 mm |



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