{"product_id":"honeywell-fc-sdi-1624-sil-3-safe-digital-input-module","title":"Honeywell FC-SDI-1624 SIL 3 Safe Digital Input Module","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHoneywell FC-SDI-1624\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(also referenced as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSDI-1624\u003c\/strong\u003e) is a high-density Safe Digital Input (SDI) module engineered for integration with Honeywell Safety Manager and Fail Safe Control (FSC) systems. Designed for safety-critical applications, it monitors digital field signals with the highest integrity and reliability. The module is fully certified for SIL 3 applications, ensuring that emergency shutdown (ESD), fire and gas (F\u0026amp;G), and burner management systems (BMS) operate safely under all conditions.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Performance Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSafety and Diagnostics\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSIL 3 Certified:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSuitable for high-integrity safety loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eContinuous Self-Testing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePerforms internal diagnostics every few milliseconds to detect faults in hardware or signal lines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShort-Circuit Detection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEach input channel is protected against shorts to ground or external power sources.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eField Signal Monitoring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOpen and Short Circuit Detection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConfigurable with end-of-line resistors for monitoring sensor wiring integrity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGalvanic Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eElectrical isolation separates field inputs from internal system logic, preventing surge or noise damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOperational Reliability\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOptimized to reduce heat and minimize cooling requirements in control cabinets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHot-Swap Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAllows replacement in redundant configurations without interrupting the safety process.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStatus Indicators:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFront-panel LEDs for each channel show input state and module health at a glance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth align=\"left\"\u003eFeature\u003c\/th\u003e\n\u003cth align=\"left\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eFC-SDI-1624 \/ SDI-1624\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e16 (isolated in groups)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eNominal Input Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eInput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eApprox. 7 mA per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eMaximum Input Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e36 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eInput Logic Levels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eHIGH \u0026gt;15 VDC, LOW \u0026lt;9 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eSafety Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eSIL 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e1.5–2.0 W depending on load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e-5°C to +70°C (+23°F to +158°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eApprox. 0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eModule Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e4 TE width, 3 HE height (4HP, 3U)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eApprovals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eCE, TUV, UL, CSA, FM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEmergency Shutdown (ESD):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMonitoring critical trip and safety signals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFire \u0026amp; Gas Systems (F\u0026amp;G):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eInterfaces with flame, smoke, and gas detectors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBurner Management Systems (BMS):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eVerifies valve positions and flame detection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCritical Process Interlocks:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsures safe operating conditions before process sequences continue.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the FC-SDI-1624 detect wiring faults?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it monitors open circuits and short circuits when used with appropriate EOL resistors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this module hot-swappable?\u003c\/strong\u003e\u003cbr\u003eA: Yes, in redundant configurations it can be replaced without interrupting the safety system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What safety certification does this module have?\u003c\/strong\u003e\u003cbr\u003eA: It is certified to SIL 3 according to IEC 61508 standards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComparison to Similar Models\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFC-SDI-1608:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports fewer channels (8), suitable for smaller I\/O racks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFC-SDI-1632:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigher channel density (32 channels) for larger process control systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":44129948336227,"sku":"FC-SDI-1624","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/HONEYWELLFC-SDI-1624-3.jpg?v=1776734003","url":"https:\/\/precisemodule.com\/products\/honeywell-fc-sdi-1624-sil-3-safe-digital-input-module","provider":"Precise Module Ltd.","version":"1.0","type":"link"}