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Invensys 3805E
Invensys 3805E
Invensys 3805E
Invensys 3805E
Invensys 3805E
Invensys 3805E
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In Stock
Analog Output Modules

3805E

Spare Part Number

PN3805E

Product Information:

Analog Output Modules

4-20 mA Current Loop, DC Coupled TMR Type

Analog Output (AO) modules receive

output signals from the Main Processor

module on each of three channels

Product image is representative; revision or series may vary. Contact us to request a specific version.
  • One-year warranty
  • Global shipping
  • Exact-model verification
     
Technical specifications for

3805E

0 TECHNICAL PARAMETERS
  • Manufacturer:
    Invensys
  • Product Category:
    ESD System
  • Spare Part Number:
    3805E
  • Estimated shipping dimensions:
    49x45.3x6.8cm
  • Weight:
    2.75 kg
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
  • Product Type:
    TMR, AO
  • Output current range:
    4-20 mA output (+6% overrange)
  • Number of points:
    8 output
  • Isolated points:
    No, commoned return, DC coupled
  • Resolution:
    12 bits
  • External loop power (reverse voltage protected):
    +42.5 VDC, maximum +24 VDC, nominal
  • Over-range protection:
    +42.5 VDC, continuous
  • Switch time on leg failure:
    < 10 ms, typical
  • Series:
    Triconex
  • Stock Availability:
    20
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Information

Overview Manuals Environmental Limits Application Details

Features:

  • Analog Output Modules
  • 4-20 mA Current Loop, DC Coupled TMR Type
  • (AO) modules receive output signals from the Main Processor module on each of three channels
Analog Output (AO) modules receive output signals from the Main Processor module on each of three channels. Each set of data is then voted and a healthy channel is selected to drive the outputs. Each module monitors its own current outputs (as input voltages) and maintains an internal voltage reference to provide self-calibration and module health information.

AO modules require a separate external termination panel (ETP) with a cable interface to the Tricon backplane. Each module is mechanically keyed to prevent improper installation in a configured chassis.

The 3805E Invensys Triconex Analog Output Modules may still be available for purchase and support from Moore Automated Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
Invensys Triconex 3805E Analog Output Modules manual(Datasheets), Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Operating Temperature: 32° to 140° F (0° to 60° C), ambient, as measured at the bottom of the chassis, per IEC 60068-2-1 Test Nb
Storage Temperature: -40° to 167° F (-40° to 75° C), per IEC 60068-2-14, Test Na
Relative Humidity: 5% to 95%, non-condensing, per IEC 60068-2-2, Test Bb, and IEC 60068-2-3 test Db
Emergency Shutdown (ESD) System: Powers the loop handling system used to activate fail-safe pipeline isolation valves in upstream petrochemical facilities.
Boiler Management System (BMS): Distributes power to the logic circuitry of fuel supply lines for industrial gas or steam boilers.
Nuclear Safety System: Compliant with stringent IEEE and TÜV certification standards, deployable in nuclear safety-related instrumentation and plant cooling systems.
Fire and Gas (F&G) Protection System: Provides continuous and stable power to highly available, multi-channel discrete output loops controlling alarm and sprinkler systems.
PRODUCT & ORDER FAQS

Questions buyers ask about 3805E

  • What are the primary drive and signal generation functions of the 3805E in a Triconex safety instrumented system?

    The 3805E is a high-integrity analog output module designed to generate and transmit precise control signals from the Tricon controller to the final control elements in the field.
  • How does the 3805E ensure accurate and deterministic analog signals in safety-critical control loops?

    The 3805E employs high-resolution digital-to-analog conversion, channel verification, and a fault-tolerant output architecture to ensure the generation of accurate and repeatable signals.
  • Why is the 3805E considered an essential component for closed-loop process control in Safety Integrity Level (SIL) environments?

    The 3805E provides reliable analog drives and features diagnostic monitoring and redundancy compatibility, making it suitable for SIL-level continuous control applications.
  • How does the 3805E ensure signal integrity in noisy and harsh industrial environments?

    The 3805E integrates electrical isolation, noise suppression, and output monitoring mechanisms to ensure stable analog signal transmission.
  • How does the 3805E integrate into Triple Modular Redundancy (TMR) system architectures?

    The 3805E operates within the Triconex TMR framework, ensuring that output signals are validated through redundant processing paths before execution.
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  • 20+ years of experience

    Over 20 years of experience in industrial automation and hard-to-source legacy parts.
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Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.

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