Name: ICS Triplex T8480C | Trusted TMR Analog Output Module - XINYEDA
Brand: ICS Triplex

Description

T8480C: Product Overview

The ICS Triplex T8480C is a Triple Modular Redundant (TMR) analog output module designed for safety-critical applications in industrial automation systems. As part of the Trusted TMR platform, this module serves as a critical interface between the safety instrumented system (SIS) and final control elements in process control applications. The module’s primary function is to deliver precise analog control signals to field devices such as control valves, variable frequency drives, and positioning systems while maintaining the integrity of the safety function.

The module interfaces with up to 40 field devices, handling analog output signals in the 4-20mA range. Each output channel operates with triple modular redundancy, featuring three independent processing legs that vote on output decisions. This architecture ensures that a single component failure does not cause a dangerous failure of the safety function, making it suitable for Safety Integrity Level (SIL) 3 applications as certified by international standards.

Belonging to the Trusted TMR platform, the T8480C benefits from a fully triplicated architecture that provides fault tolerance through three independent processing legs. The module performs continuous diagnostic tests throughout its operation, monitoring both internal components and connected field wiring to detect faults before they can compromise safety functions. The design incorporates signal conditioning and isolation barriers to ensure accurate signal transmission in electrically noisy industrial environments.

ICS Triplex T8480C

T8480C: Technical Specifications

Model Number: T8480C

Manufacturer: ICS Triplex

Product Type: Triple Modular Redundant TMR Analog Output Module

Number of Channels: 40 analog outputs

Output Range: 4-20mA

Output Resolution: 16-bit

Output Accuracy: ±0.05% of span

Load Capacity: 0-600 ohms

Power Supply: 24 VDC nominal (18-32 VDC range)

Power Consumption: 8W typical

Operating Temperature: -40°C to +70°C

Storage Temperature: -40°C to +85°C

Relative Humidity: 5% to 95% non-condensing

Isolation: 1500V RMS channel-to-channel

Update Rate: 10ms per channel

Safety Certification: SIL 3 per IEC 61508

EMC Immunity: IEC 61000-6-2, IEC 61000-6-4

Dimensions: 30 mm × 130 mm × 150 mm

Weight: 0.9 kg

Core Features & Customer Value

Triple Modular Redundant Architecture: The T8480C’s TMR design incorporates three separate processing channels that execute identical operations and vote on outputs. For engineering teams responsible for safety system design, this architecture provides fault tolerance that prevents single component failures from causing dangerous system states. In practical terms, this means the system can continue operating safely even with a failed component, allowing maintenance to be scheduled during planned shutdowns rather than causing unplanned production interruptions. The voting logic automatically masks faulty signals from the remaining healthy channels, maintaining control system integrity while alerting operators to the need for maintenance.

Comprehensive Diagnostic Coverage: The module performs continuous self-monitoring of all critical components, including output drivers, power supplies, and communication interfaces. This diagnostic capability provides early detection of potential failures before they affect system operation. For maintenance personnel, the detailed fault reporting through front-panel indicators and system software reduces troubleshooting time and enables targeted component replacement. The module can detect open circuit conditions, short circuits, and out-of-range signals, providing specific fault information that helps technicians quickly identify and resolve issues.

High-Density Channel Configuration: With 40 analog output channels in a single module slot, the T8480C offers significant space savings compared to conventional systems requiring multiple modules. For system designers, this high channel density reduces cabinet size requirements and simplifies wiring layouts. The consistent channel configuration across all 40 outputs allows for standardized installation practices and reduces the potential for wiring errors during commissioning. The module’s hot-swappable capability enables replacement without system shutdown, minimizing production impact during maintenance activities.

Signal Integrity and Accuracy: The 16-bit resolution and ±0.05% accuracy ensure precise control of final elements throughout the entire output range. For process engineers, this level of precision translates to better process control and reduced variability in critical parameters. The high immunity to electrical noise and channel-to-channel isolation prevent signal degradation and cross-talk between outputs, ensuring that each control loop operates independently without interference from adjacent channels.

ICS Triplex T8480C

Typical Applications

The T8480C is extensively deployed in safety-critical process control applications within hydrocarbon processing facilities. In continuous catalytic cracking units, the module typically provides control signals to reactor temperature control valves, feed flow control valves, and catalyst regeneration system actuators. The module’s high accuracy and reliability ensure precise control of reaction parameters that directly affect product yield and quality, while the SIL 3 certification provides the necessary safety integrity for these high-temperature, high-pressure processes.

In gas compression and transmission applications, the module controls fuel gas control valves, anti-surge valves, and load-sharing systems for multiple compressor trains. The fast update rate (10ms per channel) ensures rapid response to process upsets, preventing compressor surge and maintaining pipeline stability. The wide operating temperature range allows installation in unmanned compressor stations where environmental control may be limited.

For boiler control and burner management systems in power generation applications, the T8480C provides analog signals to fuel flow control valves, combustion air dampers, and feedwater control valves. The module’s robust design withstands the high-vibration environment typical of power plant settings, while the comprehensive diagnostics provide early warning of developing issues that could affect unit reliability. In these applications, the module’s ability to maintain accurate control during component failure ensures continuous power generation while allowing for planned maintenance during unit outages.

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