8451C ICS Triplex 40-channel digital output module

The ICS 8451C is an industrial-grade redundant controller module featuring Triple Modular Redundancy (TMR) architecture with three independent processors per channel, ensuring continuous operation even during single-point failures and meeting SIL4 functional safety standards. It provides 40 digital output channels organized in 5 groups of 8 outputs each, with a maximum continuous current of 2A per channel and 0.5ms on/off delay, operating across a temperature range of -5°C to 60°C. Designed for safety-critical applications in industrial automation, this module supports RS-232/RS-485/Ethernet communication interfaces and hot-swappable maintenance for minimal system downtime.


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Description

Technical Specifications
  • Brand
    ICS Triplex
  • Model
    8451C
  • Product Name
    40-Channel Digital Output Module
  • Country of Origin
    United States
  • HS Code
    85371090
  • Dimensions
    9.3cm*30.2cm*26.5cm
  • Weight
    3.06KG
  • Operating Temperature
    -25℃ to 50℃
  • Storage Temperature
    -30℃ to 85℃
  • Power Supply
    20-32V DC
  • Warranty
    12 month
  • Product Status
    new and original

ICS Triplex T8451C Product Introduction & Technical Parameters

Power Supply Parameters

System Supply Voltage Range: 20-32V DC

Field Operational Voltage Range: 18-32V DC

Maximum Withstanding Voltage: -1 to 40V DC

System Supply Power Consumption (24V DC): 24W

Field Supply Power Consumption: 24W


Input & Output Parameters

Input & Output Parameters

Output Type: Digital output

Number of Output Channels: 40 independent channels

Independent Power Groups: 5 groups with 8 outputs per group

Continuous Output Current Rating: 2A per channel, 8A per power group

Output Protection: Short-circuit protection, open-circuit detection

Channel Isolation: Galvanic isolation between channels and between channels and ground


Product Features

Product Features

Adopts fully triplicated fault-tolerant circuit design with high security and stability

Built-in programmable output filters to adapt to different field application requirements

Equipped with complete fault detection and diagnosis mechanism for rapid fault location

Supports online repair configuration in adjacent slots without system shutdown

Features strong anti-interference performance to adapt to harsh industrial electromagnetic environments

Complies with industrial safety standards, suitable for safety-related control applications

Rugged structural design with excellent shockproof and vibration-resistant performance


Product Advantages

Product Advantages

Triple modular redundant architecture effectively improves system fault tolerance and operational continuity

40-channel high-density design saves installation space and reduces system integration cost

Stable long-term operation performance reduces equipment downtime and maintenance frequency

Wide voltage operating range enhances adaptability to unstable on-site power supply

Easy installation and configuration, compatible with ICS Triplex series control systems for seamless integration

Comprehensive circuit protection functions extend service life and reduce failure risks


Core Functions

Core Functions

Achieve stable digital signal output for industrial field execution equipment drive

Real-time monitoring of output channel status and fault signal feedback

Galvanic isolation between system side and field side to protect core control equipment

Independent power group control to avoid cross-group fault impact

Online fault diagnosis and automatic fault prompt for efficient maintenance

Adapt to complex industrial environments and maintain stable output performance


Application Cases

Applied in petrochemical industry safety interlock control system

Used in oil and gas pipeline automatic monitoring and emergency shutdown system

Deployed in thermal power plant auxiliary equipment safety control system

Implemented in metallurgical industry production line automatic control device

Utilized in nuclear power conventional island auxiliary control system

Applied in large-scale chemical plant process control and safety protection system


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