T8431 | ICS Triplex Trusted Series | 24 VDC Analogue Input Module

Product Description

The ICS Triplex T8431 Analogue Input Module is a high-performance component within the Trusted TMR (Triple Modular Redundancy) system, designed for precise analogue signal acquisition in safety-critical environments. With 40 input channels, configurable thresholds, and advanced fault-tolerant circuitry, the T8431 ensures reliable operation and long-term accuracy across industrial applications.

Technical Specifications

• Manufacturer: ICS Triplex

• Model: T8431

• Product Type: Analogue Input Module

• System Supply Voltage Range: 20–32 VDC

• Input Current Range: 0–22 mA

• Input Voltage Range: 0–6 VDC

• Power Consumption: 15–18 W

• Resolution: 3.9 pA (1/256 mA)

• Safety Accuracy: ±1% of full scale

• Calibration Accuracy: 0.03%

• Recommended Calibration Interval: 2 years

• Number of Inputs: 40 channels

• User Defined Thresholds: 4 configurable

• Sample Update Time: 0.5 ms

• Event Resolution: 1 ms

• Timestamp Accuracy: ±0.5 ms

• Real-Time Clock Resolution: 100 μs

• Circuit Type: Fully triplicated, fault-tolerant with optional line monitoring

• Self-Test Interval: 2 minutes

Environmental Specifications

• Operating Temperature Range: –5 °C to +60 °C (23 °F to 140 °F)

• Storage Temperature Range: –25 °C to +70 °C (–13 °F to 158 °F)

• Operating Humidity: 10–95% RH, non-condensing

Physical Specifications

• Height: 266 mm (10.5 in)

• Width: 31 mm (1.2 in)

• Depth: 303 mm (12 in)

Key Features

• High-density analogue input capability with 40 channels.

• Fast sampling and event resolution for real-time monitoring.

• Triplicated fault-tolerant design for maximum reliability.

• Long-term calibration stability with minimal drift.

• Suitable for safety-critical systems requiring precise analogue acquisition.

Application Scenarios

• Oil and gas safety instrumented systems.

• Power generation facilities requiring high-resolution analogue monitoring.

• Aerospace and defense systems with strict redundancy requirements.

• Chemical processing plants where accurate analogue input is essential.

FAQ

Q: How many analogue signals can the T8431 process?  A: It supports 40 input channels with configurable thresholds.

Q: What is the recommended calibration interval?  A: Input channel calibration checks are recommended every 2 years.

Q: Does the module include fault tolerance?  A: Yes, it is fully triplicated and fault-tolerant with optional line monitoring.

Q: How precise is the timestamping?  A: Timestamp accuracy is ±0.5 ms with a real-time clock resolution of 100 μs.