{"product_id":"fs-16di-rl-honeywell-16-channel-24vdc-relay-isolated-di","title":"FS-16DI-RL Honeywell 16-Channel 24VDC Relay Isolated DI","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFS-16DI-RL\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis an authoritative 16-channel digital input module engineered for the Honeywell Experion PKS and Safety Manager platforms. This module is a mechanical necessity for acquiring discrete (ON\/OFF) signals from field devices such as push buttons, limit switches, and relay contacts in high-integrity environments. Distinguishing itself through integrated relay isolation per channel, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFS-16DI-RL\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides an enhanced layer of electrical safety and noise immunity, preventing field-side transients from affecting the core logic solver. Its expertise-driven design facilitates the monitoring of both dry contacts and 24 VDC logic signals, making it a trustworthy component for mission-critical safety instrumented systems (SIS).\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDetailed Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\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\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHoneywell\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFS-16DI-RL\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDigital Input Module (Relay Isolated)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHoneywell Experion PKS, Safety Manager\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eChannel Density\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 Digital Input Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Signal Types\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDry contact, 24 VDC logic signals\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\u003e18–30 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIndividual Relay Isolation per channel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDiagnostics\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eChannel health monitoring and fault detection\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 °C to +60 °C (32 °F to 140 °F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHumidity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5% to 95% Non-condensing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.5–0.7 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCE, UL, CSA Industrial Compliance\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering and Operational Guidelines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSafety Isolation\u003c\/strong\u003e: The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFS-16DI-RL\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eutilizes relay-based isolation, which is a mechanical necessity in plants with significant electrical noise or varying ground potentials. This physical separation ensures that field-side faults do not propagate to the system backplane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSafety Manager Integration\u003c\/strong\u003e: In safety-critical applications, the module provides authoritative feedback to the Safety Manager logic, ensuring that Emergency Shutdown (ESD) or Fire and Gas (F\u0026amp;G) systems receive untainted signal data.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundancy Planning\u003c\/strong\u003e: For maximum system availability, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFS-16DI-RL\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis typically deployed in redundant configurations. This setup allows the system to maintain trustworthy monitoring even if a single module requires maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Capability\u003c\/strong\u003e: Integrated diagnostics monitor the health of the internal relay circuitry and external loop integrity, providing engineers with real-time status updates to prevent \"silent failures\" in the safety loop.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy choose relay isolation over opto-isolation for the FS-16DI-RL?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRelay isolation offers a higher degree of physical separation and is often preferred in environments requiring absolute galvanic isolation to meet specific plant safety standards. It is particularly effective at blocking high-energy surges.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module support \"Dry Contact\" sensors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFS-16DI-RL\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis optimized for dry contact acquisition. It provides the necessary interrogation voltage to sense the state of volt-free field switches.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the significance of the \"FS\" prefix?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \"FS\" designation indicates that the module is part of the \"Fail-Safe\" lineup, making it suitable for use in Safety Instrumented Functions (SIF) within a Honeywell Safety Manager architecture.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":43070795546714,"sku":"FS-16DI-RL","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/337._c9177c6e-a702-433b-a0fa-a8563945099a.jpg?v=1773976776","url":"https:\/\/www.spareoil.com\/products\/fs-16di-rl-honeywell-16-channel-24vdc-relay-isolated-di","provider":"SpareOil Automation","version":"1.0","type":"link"}