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TRICONEX 8305A digital input unit

Short Description:

The TRICONEX 8305A is a modular digital input unit featuring a Triple Modular Redundancy (TMR) architecture, ensuring error-free operation in mission-critical environments even if partial components fail. It is widely used in industrial automation control, particularly in scenarios demanding high precision and reliability in data acquisition, such as chemical, oil & gas, power generation, and other critical industries.


  • FOB Price: US $0.5 - 9,999 / Piece
  • Min.Order Quantity: 100 Piece/Pieces
  • Supply Ability: 10000 Piece/Pieces per Month
  • Brand: TRICONEX
  • Manager: Jinny
  • E-mail: sales5@xrjdcs.com
  • Tel: + 86-15359273791
  • ( WhatsApp )Wechat: + 86-15359273791
  • warranty: one year
  • In stock: In stock
  • Product Detail

    Product Tags

    TRICONEX 8305A

    1. Overview

    The TRICONEX 8305A is a modular digital input unit featuring a Triple Modular Redundancy (TMR) architecture, ensuring error-free operation in mission-critical environments even if partial components fail. It is widely used in industrial automation control, particularly in scenarios demanding high precision and reliability in data acquisition, such as chemical, oil & gas, power generation, and other critical industries.

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    2. Technical Parameters

    Parameter Specification
    Operating Voltage 24V DC (±10%)
    Max. Current Consumption 0.5A
    Input Channels 8 channels
    Supported Signal Types 4-20mA, 0-10V (multiple analog signals)
    Resolution 16-bit
    Sampling Rate Up to 1000 samples/sec per channel
    Accuracy ±0.1% FS (Full Scale)
    Communication Interface Redundant high-speed interface
    Operating Temperature -40°C to 70°C
    Humidity Range 5% – 95% (non-condensing)
    Dimensions 180mm × 100mm × 80mm (excl. base)
    Weight 0.8kg

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    3. Key Features

    • High-Precision AcquisitionTMR architecture enhances data accuracy, achieving ±0.1% measurement precision and improving system reliability.
    • Exceptional Reliability: Stable operation in harsh industrial environments for over 3 years, reducing system failure rates.
    • Flexible Configuration: Highly compatible with third-party devices and systems for seamless integration.
    • Redundant DesignTMR architecture ensures uninterrupted operation even with single-point failures.
    • Advanced Communication: Supports redundant high-speed interfaces for efficient data exchange.

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    4. Structure & Components

    The TRICONEX 8305A consists of an input modulemain processor, and output module, each with three independent channels interconnected via the TriBus communication system. This triple-redundant architecture guarantees high reliability and safety.

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    5. Applications

    The TRICONEX 8305A is widely applied in:

    • Industrial Automation Control: Real-time monitoring of temperature, pressure, flow, etc.
    • Safety Instrumented Systems (SIS): Critical safety protection in hazardous environments.
    • Boiler Control Systems: Real-time monitoring of large-scale boilers.
    • Oil & Gas, Chemical Industries: Monitoring and control of critical equipment.
    • Rail Transport, Aerospace, Nuclear: High-reliability applications.

    Triconex 8305A (1)

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     Collaborative brands

    ABB  GE Allen Bradley  丨  Honeywell 丨   Emerson  丨  Bently Nevada   丨 Westinghouse  

    Triconex  丨   Foxboro 丨   ICS Triplex  丨  Hima  丨  Schneider 丨  Yokogawa  丨 Woodward

    20250108112253

    Why Choose Us?

    Stock Guarantee
    With years of expertise in industrial control, we maintain a vast inventory for fast response.

     Cost-Effective Solutions
    Competitive pricing and strict quality control ensure the best value.

     Full-Category Coverage
    Wide range of models, including rare/discontinued parts, solving spare part challenges.

    Hassle-Free After-Sales
    15-day free replacement for any quality issues.

    Your Trusted Partner in Industrial Automation!

    Sales Manager : Jinny

    Email : sales5@xrjdcs.com

    Whatsapp/Mobile:+86 15359273791

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    (PLC)Programmable Logic Controller

    GE :IS210AEPSG2B,IS220UCSAH1A,IS215ACLEH1A,IS210AEAA

    Allen-Bradley:1734-IB8 1734-OB8  1769-L18ER-BB1B  1756-IM16I

    ICS Triplex   : T8461,T8850,T8403,T8431,T8831,T8310

    Schneider : 140DDI85300,140CPS11420,140CPU67060

    Prosoft : MVI46-DFNT,MVI69-DFNT,MVI56-PDPMV1

    Bachmann : MPC240/270(CPU),DI232,CM202,NT255AIO288

    Woodhead : 9905-068 2301A,SSTESR2CLXRLL

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    For more TRICONEX products, please click here

    TRICONEX is a global leader in Safety Instrumented Systems (SIS), delivering mission-critical solutions for high-risk industries including oil & gas, refining, petrochemicals, and power generation. The company’s product portfolio features TÜV Rheinland SIL3-certified safety control platforms, such as:

    • Tricon: Triple Modular Redundant (TMR) architecture for SIL1-3 applications
    • Trident: Compact SIL3-certified platform
    • Tri-GP: Cost-optimized TMR solution supporting up to SIL2

    To enable end-to-end safety ecosystems, TRICONEX offers advanced software tools:

    • Safety View™: Intelligent bypass & alarm management
    • Safety Validator™: Automated logic testing & documentation generation
    • System Advisor™: Configuration management, change tracking, and I/O monitoring

    A standout innovation is the EcoStruxure™ Triconex Safety System, a core component of the EcoStruxure Plant Architecture, which delivers lifecycle safety management to protect personnel, ensure operational continuity, and maximize asset ROI.

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