ICS Triplex T8451 24V Dc Digital Output Module

Description

The ICS Triplex T8451 is a 24 Vdc digital output module for Trusted TMR systems, providing fault‑tolerant, fully triplicated output channels with optional line monitoring for high‑integrity industrial control.

Specifications

• Manufacturer: ICS Triplex
• Product Number: T8451
• Product Type: TrustedTM Digital Output Module
• System Supply Voltage Range: 20 to 32 Vdc
• Circuit Type: Fault‑tolerant, fully triplicated with optional line monitoring
• Number of Outputs: 40 channels
• Independent Power Groups: 5 groups, each with 8 outputs
• Operational Output Voltage Range: 18 to 32 Vdc
• Output Voltage Measurement Range: 0 to 32 Vdc
• Maximum Voltage Withstanding: -1 to 40 Vdc
• Output Current Rating: 2 A per channel, limited to 8 A per power group
• Maximum Capacitance: Pre‑release 3.5: 30–55 µF
• Flashing/Pulsing Loads: Release 3.5 recommended
• Minimum On‑State Load Current: 50 mA
• Off‑State Resistance: 33 Ω
• On‑State Resistance: 0.6 Ω
• Short Circuit Protection: Electronic (latching)
• Channel Crosstalk: > −40 dB
• Release 3.5 Capacitance: ≥ 2800 µF at 2 A
• Field Supply Consumption: 24 W (1 A per channel)
• System Supply Consumption: 24 W at 24 V
• Field Common Isolation: ±250 Vdc sustained, ±2.5 kVdc maximum
• Output Turn‑On/Off Delay: 0.5 ms
• Sample Update Time: 0.5 ms
• SOE Event Resolution: 1 ms
• Self‑Test Interval: 2 minutes
• Intrinsic Safety: External barrier
• Automatic Short Circuit Protection: Yes
• 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: 0.5°C/min
• Operating Humidity: 5–95% RH non‑condensing
• Dimensions: 30 cm × 3 cm × 24.1 cm
• Weight: 1.13 kg
• Shipping Weight: 3 kg

Features

• Triplicated Fault‑Tolerant Design: Fully triplicated output architecture ensures high‑integrity operation
• 40 Independent Outputs: Supports large‑scale discrete output applications
• High Current Capability: 2 A per channel with group limit of 8 A
• Advanced Line Monitoring: Optional monitoring enhances field circuit diagnostics
• Fast Response: 0.5 ms turn‑on/off and update time
• Robust Isolation: ±250 Vdc sustained isolation for field common
• SOE Precision: 1 ms event resolution for detailed diagnostics
• Automatic Protection: Electronic short‑circuit protection with latching behavior
• Industrial Durability: Wide temperature and humidity tolerance for harsh environments

FAQ – Common Questions

• What is the function of the T8451: It provides 40 fault‑tolerant 24 Vdc digital outputs for Trusted TMR systems.
• Does it support line monitoring: Yes, optional line monitoring is available.
• What is the output current rating: 2 A per channel, limited to 8 A per power group.
• How fast does it switch: 0.5 ms turn‑on/off delay.
• Is short‑circuit protection included: Yes, electronic latching protection is built in.