Triconex 9551-110

الوصف

The Triconex 9551-110 is a termination panel used in Triconex safety instrumented systems. It serves as the physical wiring interface, connecting field devices to a digital input module. The 9551-110 is specifically designed for high-voltage, non-commoned digital inputs, and it’s a key component for ensuring system integrity and simplifying maintenance.

Key Information

The 9551-110 termination panel is compatible with two specific Triconex digital input modules: the 3501E and the 3501T. Both of these modules are built with Triple Modular Redundancy (TMR) architecture and are designed for safety-critical applications.

Triconex 3501E/3501T Digital Input Module

• Function: These modules are the “brains” of the digital input subsystem. They receive signals from the field, process them using TMR, and send the validated, fault-tolerant data to the main controller.
• TMR Architecture: By using three independent channels to read the same input, these modules can detect and mask a single point of failure without interrupting the system’s safety function.
• Voltage: They are designed to operate with high-voltage inputs, typically 115 VAC/VDC.
• Point Density: Each module handles 32 digital input points.

Triconex 9551-110 Termination Panel

• Function: This is a passive, 16-point panel that acts as the terminal block for your field wiring. It provides screw terminals for connecting devices like switches or sensors.
• Non-Commoned: The panel’s “non-commoned” design means each input has an isolated return path, which helps prevent electrical faults from propagating across channels.
• System Integration: Because the 3501E/3501T modules have 32 points but the 9551-110 panel has only 16, you must use two 9551-110 panels for each digital input module.
• Maintenance: A crucial benefit of this panel is that it allows for hot-swapping of the electronic module. If a 3501E or 3501T module needs to be replaced, it can be done without disturbing any of the field wiring on the termination panels, significantly reducing downtime.

Technical Specifications