ICS Triplex T8431C 40-Channel Analog Input Module

Overview

The ICS Triplex T8431C is a high-performance 40-channel analog input module designed for industrial control and automation systems. Part of the ICS Triplex Trusted TMR 24Vdc Analog Input Module family, it employs Triple Modular Redundancy (TMR) architecture for enhanced reliability and fault tolerance. This module ensures continuous operation even under adverse conditions, making it ideal for critical applications in industries such as process control, factory automation, and power generation.

Technical Specifications

General Features:

• Number of Inputs: 40 channels for a wide range of analog signal inputs.
• Triple Modular Redundancy (TMR): Provides fault tolerance and ensures high system reliability.
• Supply Voltage: 24V DC, compatible with various industrial power sources.
• Current Sinking: Supports current sinking for connected field devices.
• Diagnostic Tests: Continuous diagnostic monitoring on each input channel.
• Line Monitoring: Detects open and shorted field cables to prevent faults.
• Sequence of Events (SOE): High-resolution state change recording with accurate time stamps.
• User-Defined Thresholds: Configurable thresholds to trigger specific events.
• Mounting: DIN rail mounting for easy installation in standard control panels.

Input Specifications:

• Input Current Range: 0-22mA.
• Input Voltage Range: 0-6V DC.
• Resolution: 3.9μA (1/256mA), ensuring high precision.
• Safety Accuracy: ±1% of full scale.
• Calibration Accuracy: 0.03%, offering reliable and consistent measurements.

Performance Specifications:

• Sample Update Time: 0.5ms for rapid data acquisition.
• Sequence of Events (SOE) Event Resolution: 1ms.
• Time-Stamp Accuracy: ±0.5ms for precise event tracking.

Fault Tolerance and Safety:

• Circuit Type: Fully triplicated, with optional line monitoring for fault tolerance.
• Intrinsic Safety: Requires external barrier for safety.
• Channel-to-Channel Crosstalk: -40 to -60 dB for minimal signal interference.
• Fusing: External fuses required if necessary (none built-in).

Environmental Specifications:

• Operating Temperature: -5°C to 60°C (23°F to 140°F).
• Non-Operating Temperature: -25°C to 70°C (-13°F to 158°F).
• Temperature Change Rate: 0.5ºC/min for stable performance.
• Operating Humidity: 10% to 95% RH, non-condensing.

Electrical and Power Specifications:

• Power Consumption: 15-18W.
• Self-Test Interval: Every 2 minutes for continuous self-diagnostics.
• Field Common Isolation:
  • Sustained Working Voltage: ±250V DC.
  • Maximum Withstanding Voltage: ±2.5kV DC.

Dimensions and Weight:

• Height: 266mm (10.5 inches).
• Width: 31mm (1.2 inches).
• Depth: 303mm (12 inches).
• Weight: 1.149kg (2.5 lbs).