ICS Triplex Trusted T8448 TMR 24 Vdc Zone
ICS Triplex Trusted T8448 TMR 24 Vdc Zone
Specifications (Summary)
Model: ICS Triplex T8448
Module Type: TMR Zone Interface Module
Application: Fire and Gas Protection Systems
Operating Voltage: 24 V DC
I/O Channels: 40 configurable channels
Architecture: Triple Modular Redundancy (TMR)
Certification: TÜV
Safety Standard: IEC 61508 SIL 3
Description
The ICS Triplex T8448 is a high-integrity Triple Modular Redundancy (TMR) zone interface module purpose-built for fire and gas (F&G) protection systems in safety-critical industrial environments. Operating on 24 V DC, the module provides 40 fully configurable input/output channels, offering exceptional flexibility for complex protection schemes.
When used with the 8842 multifunctional field terminal assembly, the T8448 connects seamlessly to a wide range of fire and gas field devices. Each channel can be independently configured as an analog input, digital input, or digital output, allowing the module to support single or multiple fire and gas zones within one hardware platform.
Built on a robust TMR architecture, the T8448 delivers high fault tolerance and continuous operation even in the presence of component or channel failures. Automatic diagnostics and self-testing functions continuously monitor module health, ensuring reliable performance in harsh industrial conditions. Certified by TÜV and compliant with IEC 61508 SIL 3, the T8448 is an ideal choice for applications where safety, availability, and system integrity are paramount.
Key Features
Triple Modular Redundancy (TMR) architecture for high fault tolerance
40 configurable I/O channels per module
Supports analog inputs, digital inputs, and digital outputs
Designed specifically for fire and gas protection systems
Operates on 24 V DC power supply
Compatible with 8842 multifunctional field terminal assembly
Comprehensive automatic diagnostics and self-test capabilities
TÜV certified and compliant with IEC 61508 SIL 3
Functional Highlights
Flexible Zone Configuration
The T8448 allows each channel to be configured independently, enabling efficient interfacing with diverse fire and gas field devices and simplifying system design for multi-zone protection applications.
High Availability and Fault Tolerance
Its hardware-based TMR design ensures continuous system operation by tolerating single faults without loss of functionality, significantly reducing the risk of spurious trips or unsafe failures.
Integrated Safety Diagnostics
Continuous monitoring, diagnostics, and self-testing enhance fault detection and maintenance efficiency, helping operators maintain compliance and operational reliability.
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