ICS TRIPLEX T8431 Trusted TMR 24Vdc Analogue Input Module
ICS TRIPLEX T8431 Trusted TMR 24Vdc Analogue Input Module
System Supply Voltage Range: 24 Vdc ± 10%
Number of Inputs: 40
Input Current Range: 4-20 mA
Input Voltage Range: 0-24 Vdc
Resolution: 16-bit
Sample Update Time: 100 ms (configurable)
Safety Accuracy: ±0.5%
Calibration Accuracy: ±0.25%
Recommended Calibration Check Interval: 12 months
Operating Temperature Range: -20°C to +55°C
Non-operating Temperature Range: -40°C to +70°C
Operating Humidity: Up to 95% non-condensing 5
Dimensions: 266 mm (10.5 inches) H x 31 mm (1.2 inches) W x 303 mm (12 inches) D
Weight: 0.8 kg
Description
This input module is designed for high-availability and safety-critical control systems where accuracy and continuous operation are essential. It uses Triple Modular Redundancy (TMR) technology, allowing each input channel to be processed through three independent paths to maintain reliable performance even in the event of a fault.
The module includes advanced fault tolerance with automatic diagnostics and self-testing, helping detect issues early without disrupting system operation. Selectable line monitoring is available on each channel to identify open or short circuit field wiring conditions, improving system safety and maintenance efficiency.
For electrical protection, the module features opto-galvanic isolation with 2500V impulse withstand capability, ensuring secure separation between field signals and control electronics. Onboard Sequence of Events (SOE) reporting with 1 ms resolution allows accurate time-stamped event tracking for improved system analysis and troubleshooting.
Key Features
Triple Modular Redundancy (TMR) architecture for high reliability
Automatic diagnostics and continuous self-testing
Selectable line monitoring for open and short circuit detection
2500V opto-galvanic isolation for enhanced electrical protection
Onboard Sequence of Events (SOE) reporting with 1 ms resolution
Hot-swappable design for online maintenance
Front-panel LED indicators for status and health monitoring
TÜV certified IEC 61508 SIL compliance
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