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8311

Power Module

Product Information

Product Describe

24 VDC – 175-Watt Power Module

High-Density Power Module, 24 VDC

Power Modules

Terminal Strip for Power Module

Technical specifications for 8311

  • Manufacturer:
    Invensys
  • Product Category:
    DCS System
  • Estimated shipping dimensions:
    16.5 x 20 x 11 cm
  • Weight:
    0.55 kg
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
  • Chassis Type:
    Main/Expansion/RXM
  • Nominal Voltage:
    24 V DC
  • Input VAC @ 47-63 Hz:
    N/A
  • Input VDC:
    20.4–28.8 V DC
  • Fuse Rating and Type:
    15 amps, time-delay
  • Output Hold Time (nominal to 0 volts):
    2.8 ms minimum
  • Diagnostic Indicators:
    PASS, FAULT, ALARM, TEMP, BAT LOW
  • Output Power:
    175 watts at 140° F (60° C)
  • Stock:
    50

More Information

Overview Manuals Technical Features Critical System Applications

Features:

  • 24 VDC – 175-Watt Power Module
  • High-Density Power Module, 24 VDC
  • >1,000 VAC or 1,500 VDC, Input to Output Isolation
Each Tricon chassis is equipped with two Power Modules—either one is fully capable of running the Tricon controller at full load and rated temperature. Each Power Module can be replaced online. The Power Modules, located on the left side of the chassis, convert line power to DC power appropriate for all Tricon modules.

Terminal strips for system grounding, incoming power and hard-wired alarms are located on the lower left corner of the backplane. Incoming power should be rated for a minimum of 240 watts per power supply.

The 8311 Invensys Triconex Power Module may still be available for purchase and support from Moore Automated Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
Invensys Triconex 8311 Power Module 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.
The Power Module alarm contacts are actuated when:
• A module is missing from the system
• The hardware configuration conflicts with the control program’s logical configuration
• A module fails
• A Main Processor detects a system fault
• Primary power to a Power Module fails
• A Power Module has a “Low Battery” or “Over Temperature” warning
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.
By purchasing this item, you agree to the Terms & Conditions
Moore Automated is NOT an authorized distributor of Invensys
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FAQ

  • What is the primary power management role of the 8311 in the Triconex safety system infrastructure?
    As a high-reliability power module, the 8311 is responsible for providing regulated and balanced power to the Triconex chassis and installed modules.
  • How does the 8311 ensure continuous and stable power supply for safety-critical operations?
    The 8311 integrates advanced voltage regulation, fault monitoring, and redundant power architecture support to maintain uninterrupted system operation.
  • Why is the 8311 considered critical for maintaining high system availability in Safety Integrity Level (SIL) environments?
    The 8311 is designed to support redundant power configurations, enabling failover and eliminating single points of power failure.
  • How does the 8311 protect Triconex hardware from electrical interference and anomalies?
    The 8311 integrates overvoltage, undervoltage, and overcurrent protection mechanisms to protect connected modules from electrical stress.
  • How does the 8311 enhance power reliability in harsh industrial environments?
    The 8311 employs industrial-grade components and a noise-resistant design, enabling it to withstand harsh operating conditions and electromagnetic interference.

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