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Triconex 9551-110 115 VAC Basic Termination Panel
The Triconex 9551-110 is an External Termination Panel (ETP) engineered to provide a simple, robust, and organized wiring interface for digital input modules. It’s often referred to as a “basic” panel because it focuses on the core function of connecting field devices to the safety controller without adding extra features. Designed for 115 VAC signals, this 16-point panel is a fundamental component for building a reliable and easy-to-maintain Triconex safety system.
Key Features and Role in a Safety System
As a basic termination panel, the Triconex 9551-110 serves a vital purpose in a safety system’s architecture. Its design philosophy is centered on simplicity and durability.
- 115 VAC Signal Termination: This panel is specifically designed to handle 16 channels of 115 VAC digital input signals. It provides a secure screw terminal interface for devices like limit switches, pressure switches, and other on/off field instruments that operate on this common industrial voltage.
- Simplified and Organized Wiring: Instead of wiring dozens of individual field wires directly to a sensitive I/O module, the Triconex 9551-110 consolidates them onto a single, organized terminal block. This makes installation faster and much easier to troubleshoot, as all connections are clearly labeled and accessible.
- Compatibility with 32-Point Modules: To fully support a 32-point Digital Input module (such as the 3501 or 3502E), a pair of Triconex 9551-110 panels is required. This modular approach allows for flexible system design and expansion.
Technical Specifications
Application Areas
The Triconex 9551-110 is an ideal solution for safety systems in a wide range of industries where reliable monitoring of 115 VAC digital signals is required.
- Manufacturing: In a factory setting, it could be used to terminate the signals from emergency stop buttons, gate interlocks, and machine status indicators, ensuring the safety of personnel and equipment.
- Power Generation: It is often used in power plants to monitor the state of circuit breakers, relays, and other control signals that operate on 115 VAC.
- Process Industries: The panel provides a secure interface for monitoring the status of switches and sensors in chemical processing plants, food and beverage facilities, and refining operations.
