Name: ICS Triplex T8801 | Trusted TMR 40-Channel Digital Input FTA - XINYEDA
Brand: ICS Triplex
SKU: ICS Triplex T8801

Description

T8801: Product Overview

The ICS Triplex T8801 serves as a critical field termination interface within the Trusted TMR (Triple Modular Redundancy) safety instrumented system platform. This module functions as the physical connection point between field devices and the Trusted system’s digital input modules, providing signal conditioning, isolation, and termination for discrete input signals from devices such as limit switches, pushbuttons, and proximity sensors.

This field termination assembly belongs to the Trusted TMR product family, which employs a hardware-based triple modular redundancy architecture certified to IEC 61508 SIL 3 standards. The platform’s design philosophy centers on achieving maximum system availability through fault tolerance rather than simply relying on high-reliability components. The T8801 implements this approach by providing robust signal conditioning and isolation that ensures field wiring faults do not propagate to the main control system.

The module’s construction ensures reliable operation in severe industrial environments, withstanding vibration and mechanical shock conditions typical of harsh locations such as offshore platforms, compressor stations, and other critical industrial facilities where safety and reliability are paramount requirements.

ICS Triplex T8153C

T8801: Technical Specifications

Model Number: T8801
Manufacturer: ICS Triplex (Rockwell Automation)
Product Type: Digital Input Field Termination Assembly
Number of Channels: 40 input channels per FTA
Input Voltage: 24V DC nominal
Power Supply: Dual 24V DC feeds with diode commoning
Field Device Connection: 2-wire industry standard
Mounting: Standard DIN rail compatibility
Fuse Protection: 50mA fuse per channel
Indication: On-board green LED for power supply integrity
Connector: 96-way socket for module connection
Terminal Blocks: 12-off 3-way and 2-off 2-way terminal blocks
Weight: 0.8 kg
Dimensions: 16cm × 16cm × 12cm
Communication Interface: SmartSlot connection for one-to-many hot replacement
Safety Certification: IEC 61508 SIL 3

Core Features & Customer Value

Robust Field Termination Interface: The T8801 provides 40 independent input channels with fused power supply protection for each channel. This design prevents field wiring faults from affecting adjacent channels or the main control system. For engineering teams, this means simplified troubleshooting and reduced mean time to repair when field device issues occur. The 50mA fuse per channel effectively limits current in field loops, protecting both the field devices and the control system from overcurrent conditions.

Comprehensive Diagnostic Capabilities: The on-board green LED provides visual indication of power supply integrity, allowing maintenance personnel to quickly verify field power status without requiring test equipment. The SmartSlot connection enables one-to-many hot replacement capability, meaning a single termination assembly can support multiple input modules. This reduces spare parts inventory requirements and allows for module replacement during planned maintenance windows without taking the entire system offline.

Standardized Installation: The module’s DIN rail mounting and industry-standard 2-wire field device connections simplify installation and reduce commissioning time. The 96-way socket connector ensures reliable connection to the digital input module, while the terminal block arrangement provides clear and organized field wiring termination. For system integrators, this standardized approach reduces installation errors and ensures consistent performance across multiple installations.

ICS Triplex T8153C

Typical Applications

In gas turbine control systems, the T8801 is typically deployed to interface with critical protective devices including overspeed detection systems, flame detection units, and vibration monitoring system contacts. The module’s robust construction and fused power supply ensure reliable operation in the electrically noisy environment surrounding high-power rotating machinery, while the 40-channel density allows for comprehensive monitoring of multiple protection circuits from a single termination assembly.

For offshore oil and gas production platforms, this field termination assembly is commonly specified for emergency shutdown (ESD) systems where it interfaces with pressure safety switches, level detection switches, and gas detection system contacts. The SIL 3 certification and fused channel protection make it suitable for the harsh marine environment, while the comprehensive diagnostic capabilities help maintenance teams quickly identify and resolve field wiring issues in unmanned remote locations.

In pipeline compressor station applications, the T8801 handles field termination for emergency shutdown buttons, fire detection systems, and equipment vibration monitors. The module’s 40-channel capacity allows for monitoring of multiple protection circuits from a single termination point, reducing installation complexity and maintenance requirements in unmanned remote stations. The hot-swappable capability allows for module replacement during planned maintenance windows without taking the entire compression train offline, maximizing asset availability.

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