TRICONEX 2551 External terminal panel
Specific Parameters
Brand TRICONEX (Original Authentic, a subsidiary of Schneider Electric, formerly part of Invensys Group), Product Series TRICONEX Tricon Series Safety Instrumented System (SIS)
Product Type External Terminal Panel, Safety System Supporting Component, Original Authentic Spare Part, Compatible with Tricon Series I/O Modules
Model TRICONEX 2551, Original Accessory Model 7400056-110
Country of Origin United States
Compatible Devices TRICONEX Tricon Series Safety Control System Racks, Tricon I/O Modules, Tricon Control Processors, On-site Sensors, Actuators, Transmitters
Core Functions Provide Electrical Wiring Interfaces, Realize Signal Transmission, Electrical Isolation Protection, Simplify On-site Wiring, Facilitate Signal Sorting, Assist Fault Troubleshooting, Adapt to I/O Module Signal Connection
Product Structure Standard industrial-grade terminal panel, metal shell, clear terminal identification, mechanical anti-misinsertion design, spring terminal, color is Gray, compact structure design
Number of Terminals 32 standard wiring terminals, supporting single-ended signal wiring, terminal spacing meets industrial wiring standards
Compatible Signal Types Digital Input/Output Signals, Analog Input/Output Signals, Compatible with Various I/O Module Signals of Tricon Series
Isolation Method Electrical Isolation, Dual Isolation Between Terminals and Module Interfaces, Isolation Voltage ≥500VAC
Wiring Method Spring Terminal Wiring, Supporting Direct Access of On-site Wires, Firm Wiring, Small Contact Resistance
Signal Transmission Rate Supporting up to 1Mbps Signal Transmission, No Signal Crosstalk, Transmission Delay ≤0.1 Second
Power Supply No Independent Power Supply Required, Indirectly Powered by Tricon System Rack and Supporting I/O Modules
System Compatibility TRICONEX Tricon Series Safety Control Systems, TriStation 1131 Programming Software, Supporting TMR HDLC I/O Bus Protocol
Safety Certifications IEC 61508 SIL3, IEC 61511, UL 61010-1, CE, CSA, RoHS
Maximum Power Consumption No more than 1W (excluding power consumption of supporting modules)
Operating Temperature Range -40°C to +70°C
Storage Temperature Range -40°C to +85°C
Relative Humidity 5% to 95%, Non-Condensing
Protection Class IP20 (Complies with IEC 60529 Standard, Suitable for Cabinet Installation)
Vibration Resistance Frequency 10-500Hz, Acceleration 15g (Sine Wave); Frequency 500-2000Hz, Acceleration 10g (Random Wave), Complies with IEC 60068-2-6 Standard
Shock Resistance Peak Acceleration 50g, Duration 11ms (Half-Sine Wave), Complies with IEC 60068-2-27 Standard
Mounting Method Matching Installation with Tricon Standard Rack, Synchronous Installation with I/O Modules, Occupying the Matching Installation Space of Corresponding Modules, Easy Installation, Removable for Maintenance Online
Dimensions 178mm×249mm×38mm (Width×Length×Depth), Conforming to Tricon System Standard Dimensions
Weight Approximately 0.6kg (Excluding Wiring)
Terminal Material Tinned Copper Terminals, Anti-oxidation, Corrosion Resistance, Contact Resistance ≤10mΩ
Product Performance
Adaptability Performance: Fully compatible with the TRICONEX Tricon Series Safety Control System and various I/O modules, corresponding to the original accessory model 7400056-110, no independent power supply required, clear terminal identification, which can quickly complete on-site wiring and signal connection, adapt to various signal types such as digital and analog signals, plug-and-play, high integration efficiency.
Safety Performance: Certified by IEC 61508 SIL3 and other authoritative safety standards, adopting dual electrical isolation design, isolation voltage up to 500VAC, effectively resisting electromagnetic interference and signal crosstalk, preventing on-site high-voltage signals from damaging the control system, ensuring the safety of maintenance personnel and equipment, complying with safety specifications for high-risk industrial scenarios.
Transmission Performance: Supporting up to 1Mbps signal transmission, low transmission delay, stable signal transmission without distortion or loss, spring terminals with firm contact and small contact resistance, which can ensure stable transmission between on-site signals and I/O modules, adapting to long-distance signal transmission needs.
Operation and Maintenance Performance: Modular structure design, easy installation and removable for maintenance online, clear terminal identification facilitating signal sorting and fault troubleshooting, strong protection of metal shell, anti-oxidation and corrosion resistance of terminals, long service life, greatly reducing maintenance costs and downtime.
Environmental Performance: Manufactured with industrial-grade high-stability materials, it has strong anti-electromagnetic interference and anti-radio frequency interference capabilities, can operate continuously and stably for a long time in a wide temperature range of -40°C to +70°C and high humidity environments, has excellent vibration and shock resistance, adapting to various harsh industrial sites.
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