{"product_id":"digital-input-module-yokogawa-nfdv157-s00-s2","title":"Digital Input Module Yokogawa NFDV157-S00 S2","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe NFDV157-S00 is a high-density safety digital input module developed for the Yokogawa Electric Corporation\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eProSafe-RS Safety Instrumented System (SIS)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSafety Integrity Level 3 (SIL3)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecertified module is designed to acquire\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e32 discrete ON\/OFF field signals\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom devices such as limit switches, push buttons, pressure switches, and safety interlock contacts.\u003c\/p\u003e\n\u003cp\u003eThe module provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003echannel-to-system optical isolation\u003c\/strong\u003e, protecting safety logic from electrical noise, ground loops, and surge disturbances commonly found in heavy industrial environments. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-S00 revision\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erepresents the standard hardware configuration optimized for long-term operational stability and compatibility with ProSafe-RS safety nodes.\u003c\/p\u003e\n\u003cp\u003eContinuous internal diagnostics ensure that any hardware anomaly forces the safety system into a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efail-safe state\u003c\/strong\u003e, which is essential for emergency shutdown and plant protection applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Identification\u003c\/td\u003e\n\u003ctd\u003eNFDV157-S00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eSafety Digital Input (DI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e32 channels (non-isolated between channels, isolated from system)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current\u003c\/td\u003e\n\u003ctd\u003e6 mA per channel at 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Response Time\u003c\/td\u003e\n\u003ctd\u003e≤ 40 ms (safety processing cycle)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Indicators\u003c\/td\u003e\n\u003ctd\u003ePower, System Fault, Channel Status LEDs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003ePressure clamp terminal block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e320 mA max at 5 V DC (internal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Protection\u003c\/td\u003e\n\u003ctd\u003eISA S71.04 G3 Conformal Coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e−20°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.35 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eSafety and Operational Context\u003c\/h3\u003e\n\u003cp\u003eThe NFDV157-S00 is commonly deployed within SIL3 safety loops in process industries where personnel protection and equipment safety are critical. Typical applications include:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEmergency Shutdown Systems (ESD):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMonitoring trip switches and manual shutdown stations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFire and Gas Systems (F\u0026amp;G):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eReceiving alarm and detection signals from safety sensors\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\u003eMonitoring flame detection and fuel safety interlocks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe module continuously performs self-check diagnostics to ensure reliable detection of signal faults or internal hardware failures.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan the NFDV157-S00 be used in redundant configurations?\u003c\/strong\u003e\u003cbr\u003eYes. Two NFDV157-S00 modules can be installed in redundant I\/O nodes to meet high availability and SIL3 reliability requirements while reducing the risk of nuisance trips.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module support Sequence of Events (SOE) recording?\u003c\/strong\u003e\u003cbr\u003eYes. The module supports high-resolution event timestamping, allowing operators to reconstruct safety trip sequences using the ProSafe-RS SOE monitoring station.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between -S00 and -S10 suffixes?\u003c\/strong\u003e\u003cbr\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-S00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis the standard 32-channel input variant. Other suffixes such as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-S10 or -S11\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emay indicate enhanced diagnostics, different terminal wiring options, or specialized safety monitoring features such as line fault detection.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51854957183288,"sku":"NFDV157-S00 S2","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/NFDV157-S00_S2.jpg?v=1772675158","url":"https:\/\/www.automodulexpert.com\/products\/digital-input-module-yokogawa-nfdv157-s00-s2","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}