T8480 | ICS Triplex Trusted Series | TMR Analogue Output Module

Product Description

The ICS Triplex T8480 Analogue Output Module is a high-performance unit within the Trusted Series platform, designed to deliver fault-tolerant analogue output signals in safety-critical environments. Built on Triple Modular Redundancy (TMR) architecture, the T8480 ensures precise signal transmission, robust isolation, and long-term accuracy across industrial applications.

Technical Specifications

• Manufacturer: ICS Triplex

• Model: T8480

• Product Type: Analogue Output Module

• System Supply Voltage (Backplane IMB): 20–32 VDC

• Field Supply Voltage: 18–32 VDC

• Maximum Field Supply Current: 0.9 A

• Power Dissipation:

• System Supply: 28 W

• Backplane (IMB): 22 W

• Isolation:

• Power group to power group (T8100, T8300 I/O module slot)

• Field common channel-to-channel (within power group): 50 V reinforced continuous, 250 V basic fault tested

• Fusing: Internal, not user serviceable

• Number of Power Groups: 5

• Outputs: Analogue outputs with leakage current ≤ 350 pA (off state)

• Continuous Output Current Rating: Recommended 1 mA to 22 mA

• Calibration Accuracy @ +25 °C: 0.19% of full scale

• Overall Accuracy (0 °C to +60 °C): ±0.25% of full scale

Key Features

• Triple Modular Redundancy for fault-tolerant analogue output.

• Five power groups for distributed load handling.

• Reinforced isolation for enhanced safety and reliability.

• High calibration accuracy with minimal drift across temperature ranges.

• Compact design optimized for Trusted Series chassis integration.

Application Scenarios

• Safety instrumented systems requiring precise analogue control.

• Power generation facilities with redundant architectures.

• Chemical processing plants demanding accurate signal transmission.

• Aerospace and defense systems where fault tolerance is critical.

FAQ

Q: How many power groups does the T8480 support?  A: The module supports five independent power groups.

Q: What is the recommended output current range?  A: Between 1 mA and 22 mA continuous.

Q: Is the fusing user-replaceable?  A: No, the fusing is internal and not serviceable.

Q: What is the calibration accuracy at 25 °C?  A: 0.19% of full scale.