{"product_id":"woodward-5464-643-discrete-input","title":"Woodward 5464-643 Discrete Input","description":"\u003cp\u003eThe \u003cstrong\u003eWoodward 5464-643\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e5464-643\u003c\/strong\u003e Discrete Input Module, operates as a dedicated hardware component for field switch and relay state acquisition within MicroNet control chassis platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eModel\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003e5464-643\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eWoodward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eOrigin\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003eDigital I\/O Cards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eTotal Input Channels\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003e48 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eInput Circuit Type\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003eOptically isolated discrete input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"8\"\u003eNominal Input Current\u003c\/td\u003e\n\u003ctd data-row=\"8\"\u003e3 mA per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"9\"\u003eSystem Bus Interface\u003c\/td\u003e\n\u003ctd data-row=\"9\"\u003eVME backplane motherboard interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"10\"\u003eSubsystem Interconnects\u003c\/td\u003e\n\u003ctd data-row=\"10\"\u003eJ1 (Channels 1-24), J2 (Channels 25-48)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"11\"\u003eInterface Compatibility\u003c\/td\u003e\n\u003ctd data-row=\"11\"\u003e24 VDC Discrete I\/O FTM or Discrete Input FTM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"12\"\u003eDiagnostic Display\u003c\/td\u003e\n\u003ctd data-row=\"12\"\u003eFront panel fault LED indication per module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"13\"\u003eMounting Orientation\u003c\/td\u003e\n\u003ctd data-row=\"13\"\u003eInternal chassis subrack card guide layout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"14\"\u003eAmbient Operating Temp\u003c\/td\u003e\n\u003ctd data-row=\"14\"\u003e-40 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"15\"\u003eAmbient Storage Temp\u003c\/td\u003e\n\u003ctd data-row=\"15\"\u003e-45 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eActuator Loop Feedback Response and Thermal Dissipation\u003c\/h3\u003e\n\u003cp\u003eThe 5464-643 processes up to 48 binary field states simultaneously, converting high-voltage or floating relay contacts into TTL-level logic data frames via internal optical isolators. To sustain a prompt actuator loop feedback response for critical interlocks, each optoisolator transfers changes in input states to data buffers within microseconds, which are then queried by the central CPU over the high-speed VME motherboard bus. The structural front panel and circuit layout are optimized to manage thermal heat sink dissipation profiles uniformly across the dense 48-channel bank. This thermal management ensures stable signal detection and prevents data logic drift when all 4 optoisolators are driven continuously at maximum input capacities.\u003c\/p\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":45033865937011,"sku":"5464-643","price":400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/c2d36581-6b0e-47fc-b48b-38eb31b9fec04.png?v=1779775258","url":"https:\/\/www.dcssupplier.com\/products\/woodward-5464-643-discrete-input","provider":"DcsSupplier Limited","version":"1.0","type":"link"}