T8431C | ICS Triplex Trusted Series | TMR 24 VDC Analogue Input Module

Product Description

The ICS Triplex T8431C Analogue Input Module is a high-density input solution within the Trusted Series platform, engineered for safety-critical applications. With 40 input channels, advanced fault-tolerant circuitry, and precise calibration accuracy, the T8431C ensures reliable analogue signal acquisition across industrial environments. Its triplicated architecture with optional line monitoring provides enhanced resilience and continuous system availability.

Technical Specifications

• Manufacturer: ICS Triplex

• Model: T8431C

• Product Type: TMR 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%

• Calibration Interval: Recommended every 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)

• Non-Operating 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)

• Weight: 1.149 kg (2.5 lbs)

Key Features

• High-density 40-channel analogue input capability.

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

• Triplicated fault-tolerant design with optional line monitoring.

• Long-term calibration stability with minimal drift.

• Integrated self-test functionality for continuous diagnostics.

Application Scenarios

• Oil and gas safety instrumented systems.

• Power generation facilities requiring precise analogue monitoring.

• Aerospace and defense systems with redundancy requirements.

• Chemical processing plants demanding high accuracy and reliability.

FAQ

Q: How many analogue signals can the T8431C 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: What is the timestamp accuracy?  A: ±0.5 ms with a real-time clock resolution of 100 μs.