ICS TRIPLEX T8403

Description

Product Description

Technical Parameters

1. Brand: ICS TRIPLEX
2. Model: T8403
3. Device Type: TMR Analog Output Module for Safety-Critical PLC Systems
4. Operating Voltage: 24V DC (redundant stable power supply)
5. Operating Temperature Range: -40°C to +70°C
6. Maximum Current Consumption: 5A
7. Number of Analog Output Channels: 16 isolated channels (triple redundant configuration)
8. Output Signal Type: 4–20mA, 0–10V (configurable per channel)
9. Protection Class (IP Rating): IP24
10. Housing Material: High-strength aluminum alloy (conformal coated for corrosion resistance)
11. Dimensions (L×W×H): 135mm × 88mm × 52mm
12. Warranty Period: 3 years
13. Power Consumption: ≤3.6W
14. Signal Accuracy: ±0.05% of full scale
15. Response Time: ≤2ms
16. Isolation Voltage: 2500V AC (channel-to-channel, channel-to-ground)
17. Safety Certification: IEC 61508 SIL 3, TÜV Rheinland, CE, UL

Advantages and Features

1. TMR Architecture for Uninterrupted Operation: ICS TRIPLEX T8403 adopts a core triple modular redundancy design with a 2-out-of-3 voting mechanism. This ensures that even if one of the three redundant signal paths fails, the module continues to output accurate control signals—eliminating downtime in safety-critical applications such as chemical reactor control and nuclear power plant operations.
2. High-Precision Signal Output: Equipped with advanced D/A conversion chips and signal conditioning circuits, ICS TRIPLEX T8403 achieves a signal accuracy of ±0.05% of full scale. The configurable 4–20mA/0–10V output signals adapt to diverse field actuators, ensuring precise control of industrial processes that demand strict parameter stability.
3. Extreme Environmental Resilience: The ruggedized design and conformal coated internal components allow ICS TRIPLEX T8403 to operate stably in a wide temperature range of -40°C to +70°C. It also resists electromagnetic interference, humidity, and vibration, making it suitable for harsh scenarios like offshore oil platforms, chemical plants, and mining sites.
4. Comprehensive Isolation & Protection: With 2500V AC isolation between channels and from channels to ground, ICS TRIPLEX T8403 prevents cross-interference and protects against high-voltage surges. It also integrates overcurrent, overvoltage, and short-circuit protection, extending the lifespan of the module and connected field equipment.
5. Easy Integration & Maintenance: The module supports seamless plug-and-play integration with ICS TRIPLEX Trusted series systems. Built-in LED status indicators for each channel and a dedicated diagnostic port enable technicians to quickly identify fault points, reducing maintenance downtime and operational costs.

Application Cases in Various Industries

1. Oil and Gas Industry: In offshore drilling platforms and onshore oil refineries, ICS TRIPLEX T8403 delivers precise control signals to pipeline control valves, pump speed regulators, and emergency shutdown actuators. Its TMR architecture ensures uninterrupted operation even in corrosive marine environments and extreme weather, safeguarding the safety of oil extraction and refining processes.
2. Nuclear Power Industry: In nuclear power plants, the module outputs control signals to reactor coolant flow regulators, steam pressure valves, and emergency core cooling system actuators. ICS TRIPLEX T8403 complies with strict nuclear safety standards, ensuring reliable signal delivery for critical reactor control functions and preventing potential hazards.
3. Chemical Industry: In large chemical production lines, ICS TRIPLEX T8403 controls the output of reagent dosing pumps, reactor temperature regulators, and waste gas treatment actuators. Its SIL 3 certification ensures compliance with chemical safety regulations, preventing industrial accidents caused by signal inaccuracies or failures.
4. Power Generation Industry: In thermal and hydroelectric power plants, the module sends control signals to turbine speed governors, boiler feedwater valves, and generator excitation systems. ICS TRIPLEX T8403’s high precision and fast response time optimize power generation efficiency and maintain grid stability.
5. Pharmaceutical Industry: In pharmaceutical production facilities, the module controls the operation of mixing equipment, sterilization temperature regulators, and material transfer pumps. It complies with GMP and SIL 3 standards, ensuring the consistency and quality of pharmaceutical products by maintaining precise control of critical production parameters.

Comparison with Competitors

Selection Suggestions and Precautions

Selection Suggestions

1. Prioritize Safety-Critical Scenarios: With IEC 61508 SIL 3 certification and TMR architecture, ICS TRIPLEX T8403 is ideal for industries such as nuclear power, oil and gas, and chemical processing where system failures could lead to severe safety hazards, environmental damage, or massive economic losses.
2. Check System Compatibility: If your existing control system uses ICS TRIPLEX Trusted series hardware (e.g., T8100 chassis, T8110B processor), ICS TRIPLEX T8403 will integrate seamlessly, reducing integration costs and ensuring consistent system performance.
3. Evaluate Signal and Channel Needs: For projects requiring configurable 4–20mA/0–10V signals and 10+ analog output channels, the module’s 16-channel design and high precision make it the preferred selection, eliminating the need for multiple modules and optimizing control cabinet space.
4. Consider Harsh Environment Requirements: For equipment installed in extreme temperatures (below -30°C or above +60°C) or high-interference industrial sites, the module’s ruggedized design and anti-interference capability provide long-term reliability superior to competitors.

Precautions

1. Installation by Certified Technicians: Installation, wiring, and configuration of ICS TRIPLEX T8403 must be performed by certified technicians with experience in ICS TRIPLEX safety systems. This ensures compliance with SIL 3 requirements and avoids configuration errors that may compromise system safety.
2. Confirm Redundant Power Supply: The module relies on 24V DC redundant power. Ensure the power supply system is properly configured with backup units to prevent signal loss due to single power source failure and avoid voiding the warranty.
3. Avoid Exposure to Corrosive Substances: Do not expose ICS TRIPLEX T8403 to direct water, corrosive gases, or abrasive materials, even though it has an IP24 protection rating and conformal coating. This preserves the integrity of the isolation circuits and internal components.
4. Regular Calibration and Diagnostics: Conduct regular maintenance (at least once every six months) in accordance with the manufacturer’s guidelines. Calibrate output channels, check LED status indicators, and update firmware to maintain SIL 3 compliance and stable performance.
5. Use Genuine Spare Parts: For repairs or replacements, use only genuine ICS TRIPLEX spare parts. Non-genuine components may violate safety certifications and lead to system malfunctions in critical scenarios.

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