SKU: T8850C

ICS Triplex T8850C Trusted Digital Output Field Termination Assembly

The ICS Triplex T8850C is a conformal-coated Field Termination Assembly designed for the Trusted TMR system. It provides a 40-channel interface for digital output signals, ensuring high-integrity connectivity between the controller and field actuators in safety-critical environments.

Product Overview

The ICS Triplex T8850C functions as a specialized Field Termination Assembly (FTA) engineered to bridge the gap between Trusted TMR Digital Output modules and external field devices. This module facilitates the secure distribution of power and signals while maintaining the high integrity of the Triple Modular Redundant (TMR) architecture. By providing a centralized termination point, the T8850C simplifies field wiring, improves maintenance accessibility, and ensures that safety signals reach their destination without degradation.

Functional Characteristics and Safety Features

The T8850C acts as the physical interface where the system logic meets the industrial process. It receives redundant signals from the T8450 or similar digital output modules and converts them into a single, high-reliability field output. To safeguard the system against electrical anomalies, the module incorporates protective components that isolate the controller from field-side surges and short circuits. Furthermore, the “C” variant often denotes conformal coating, which provides enhanced resistance against humidity, salt spray, and corrosive atmospheric contaminants common in chemical and offshore environments.

Key Technical Specifications

Manufacturer: ICS Triplex (Rockwell Automation)
Model Number: T8850C
System Series: Trusted TMR System
Module Type: Field Termination Assembly (FTA)
Coating: Conformal Coated (for harsh environment protection)
Channel Configuration: Supports 40-channel high-density digital outputs
Voltage Rating: 24 VDC nominal operation
Termination Style: Compression screw terminals or ribbon cable connectors
Mounting: Standard DIN rail or specialized Trusted chassis mounting

Strategic Industrial Applications

Engineering teams implement the T8850C in infrastructure where failure is not an option. Because this module manages the final connection to safety elements, it is vital in the following areas:

Emergency Shutdown (ESD) Solenoids: Provides the high-current path required to actuate safety valves during a trip event.
Fire and Gas Notification: Drives alarm beacons, sirens, and suppression system triggers across large industrial sites.
BMS (Burner Management Systems): Controls fuel supply valves and ignition systems in industrial boilers and furnaces.
Process Interlocking: Manages the logic state of various motor starters and relays to prevent unsafe equipment configurations