{"product_id":"triconex-8311-high-density-power-supply-module","title":"Module d'alimentation haute densité Triconex 8311","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8311 (8311)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eby\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTriconex\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHigh Density Power Supply Module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eengineered for the most demanding Safety Instrumented Systems (SIS). Operating within a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e24 VDC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003earchitecture, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8311\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as the primary energy backbone for Main, Expansion, or RXM chassis configurations. In mission-critical sectors like\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eoil and gas refining, thermal power plants, and deep-pit mining\u003c\/strong\u003e, power stability is non-negotiable. This module eliminates single points of failure by providing regulated, low-noise power to the backplane, ensuring that your\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTriple Modular Redundant (TMR)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econtrollers remain operational during voltage fluctuations. By integrating the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8311\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einto your system, you effectively mitigate the risk of unplanned shutdowns caused by power-related logic errors.\u003c\/p\u003e\n\u003ch3\u003eHardware Architecture and Load Management\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTriconex 8311\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed with a high-density footprint to maximize chassis slot efficiency without compromising thermal performance. It utilizes a robust\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e15 Amps time-delay fuse\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto protect internal circuitry from over-current transients while allowing for the high inrush currents typical of large-scale automation racks. A critical engineering feature is its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2.8 ms minimum hold time\u003c\/strong\u003e, which provides a vital buffer during millisecond-level power dips, allowing the TMR processors to maintain state or execute an orderly fail-safe transition. The module supports redundant configurations where two power supplies share the load, ensuring that if one unit fails, the other assumes the full load instantaneously without disrupting the process safety loop.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e8311\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTriconex (Invensys \/ Schneider Electric)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eChassis Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMain \/ Expansion \/ Remote Expansion (RXM)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Input Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e24 VDC\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e22 to 31 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFuse Protection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e15 Amps (Time-delay)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Hold Time\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.8 ms (Minimum)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions (W x L x D)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e43 x 27 x 32 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.7 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.7 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 deg Celsius\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOperational \u0026amp; Maintenance FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow can I identify a blown fuse on the 8311 module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module features front-panel LED indicators. A \"Pass\" LED off or a \"Fault\" LED illuminated usually indicates an internal failure or a cleared\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e15 Amps\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efuse. Always check input bus voltage before replacing the module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 8311 support hot-swapping in a live TMR system?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. As part of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTriconex\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehigh-availability design, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8311\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecan be replaced while the system is under power, provided a redundant power module is active and healthy in the same chassis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the significance of the 2.8 ms hold time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is a safety-critical metric. It ensures that even if the external\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e24 VDC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esource fluctuates momentarily, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8311\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emaintains a steady output long enough for the system to filter out the noise or bridge the gap, preventing \"phantom\" trips.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Engineering \u0026amp; Installation Protocol\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Management and Airflow:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTo maintain the longevity of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8311\u003c\/strong\u003e, ensure that the chassis fan tray is fully operational. High-density power modules generate concentrated heat; always maintain at least 50 mm of clearance above and below the chassis for optimal convection, even when using forced-air cooling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Voltage Calibration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsure your upstream bulk power supplies are calibrated to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e24 VDC\u003c\/strong\u003e. Operating continuously at the lower limit (22 VDC) reduces the hold-time margin, while operating near the upper limit (31 VDC) increases thermal stress on the internal regulators.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrounding and Shielding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module frame must be securely seated in the chassis to ensure a low-impedance path to the system ground. Verify that the chassis earthing bars are free of oxidation to prevent common-mode noise from affecting the DC output.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIndustrial Endurance Advantages\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTriconex 8311\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis built to withstand the rigors of harsh industrial environments. It is rated for operation up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e60 deg Celsius\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewithout derating, making it suitable for non-air-conditioned control rooms in desert or tropical climates. The internal components are ruggedized to resist high-vibration profiles common in compressor stations and mining sites. Furthermore, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8311\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emaintains strict downward compatibility, allowing for seamless integration into legacy\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTriconex\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esystems during lifecycle upgrades, providing a reliable path for maintaining aging infrastructure with modern, high-density hardware.\u003c\/p\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":53102421213547,"sku":"8311","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/8311-qs1qbhf4vl0.png?v=1776137148","url":"https:\/\/www.plcprotech.com\/fr\/products\/triconex-8311-high-density-power-supply-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}