ICS Triplex T8403C Trusted TMR 24VDC Digital Input Module

Product Description

The ICS Triplex Trusted TMR T8403C digital input module is a high-reliability component within the Trusted safety system architecture. Designed for demanding industrial environments, it supports up to 40 field input devices and ensures fault-tolerant operation through triple modular redundancy. With advanced processing, memory capacity, and multiple communication protocols, the T8403C provides robust integration for critical safety and control applications.

Technical Specifications

• Manufacturer: ICS Triplex

• Model / Catalog Number: T8403C

• Product Type: Digital Input Module

• Input Channels: 40 channels

• Processor: 32-bit, 200 MHz clock speed

• Memory: 16 MB RAM, 8 MB flash memory

• Communication Protocols: Ethernet, Serial, Modbus

• Maximum I/O Points: 1024

• Redundant Controllers: Supports up to 32 redundant controllers

• Operating Temperature: -40 °C to +70 °C (harsh industrial environments)

• Architecture: Triple Modular Redundant (TMR) with sigma-delta input circuit

• Line Monitoring: Selectable, detects open and short circuit faults

• Form Factor: Standard Trusted system module design

Features

• Triple Modular Redundancy for fault tolerance

• High-speed processing with 32-bit architecture

• Integrated diagnostics and line monitoring

• Hot-swappable module design for simplified maintenance

• Seamless integration into Trusted safety systems

Application Scenarios

• Safety-critical process industries such as oil & gas, chemical, and power generation

• Large-scale automation systems requiring redundant safety logic

• Environments with harsh operating conditions demanding continuous reliability

FAQ

Q: How many input channels does the T8403C support?  A: 40 digital input channels.

Q: What communication protocols are available?  A: Ethernet, Serial, and Modbus.

Q: Does the module support redundancy?  A: Yes, it supports up to 32 redundant controllers.

Comparison with Similar Models

• T8403C: 40-channel digital input, TMR architecture.

• T8402C: Lower channel count, suited for smaller systems.

• T8404C: Expanded input capability with enhanced diagnostics.