{"product_id":"yokogawa-nflr121-s50-serial-communication-module","title":"Yokogawa NFLR121-S50 Serial Communication Module","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa NFLR121‑S50\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-reliability serial communication module engineered for FCN autonomous controllers. It provides two fully isolated RS‑422\/RS‑485 ports, ensuring stable multipoint communication across industrial networks. Supporting both half-duplex and full-duplex transmission, this module accommodates a wide range of baud rates and long-distance cabling requirements, making it ideal for PLC integration and distributed control systems.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDual RS‑422\/RS‑485 ports with electrical isolation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports half-duplex and full-duplex modes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlexible baud rates: 0.3 kbps to 115.2 kbps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTransmission formats: ASCII and Binary\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCharacter length options: 7 or 8 bits, with 1 or 2 stop bits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eParity selection: None, Even, or Odd\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaximum cable length: up to 1200 m for RS‑422\/RS‑485 networks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRobust industrial design with reliable long-term performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eInterface \u0026amp; Communication\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\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\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eNFLR121‑S50\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePort Type\u003c\/td\u003e\n\u003ctd\u003e2 × RS‑422\/RS‑485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eHalf-duplex \/ Full-duplex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003eMultipoint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSync Method\u003c\/td\u003e\n\u003ctd\u003eStart-stop synchronization\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission\u003c\/td\u003e\n\u003ctd\u003eASCII \/ Binary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharacter Length\u003c\/td\u003e\n\u003ctd\u003e7 or 8 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStop Bits\u003c\/td\u003e\n\u003ctd\u003e1 or 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParity\u003c\/td\u003e\n\u003ctd\u003eNone \/ Even \/ Odd\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rates\u003c\/td\u003e\n\u003ctd\u003e0.3, 1.2, 2.4, 4.8, 9.6, 14.4, 19.2, 28.8, 38.4, 57.6, 76.8, 115.2 kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Distance\u003c\/td\u003e\n\u003ctd\u003eUp to 1200 m (RS‑422\/RS‑485)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003ePhysical \u0026amp; Environmental\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\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\u003eModule Size\u003c\/td\u003e\n\u003ctd\u003eStandard FCN module dimensions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0–55 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e−20–70 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e10–90 % RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eFunctional Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eNFLR121‑S50\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eenables reliable serial communication for PLCs, analyzers, and field devices. Its isolated ports protect against electrical interference, and its versatile configuration supports both legacy and modern serial equipment. The module is fully compatible with Yokogawa STARDOM FCN controllers and distributed control networks.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSerial communication with PLCs and controllers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstrument and analyzer data interfacing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDistributed control system (DCS) integration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMultipoint RS‑485 industrial device networks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ \/ Engineer Insights\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eQ: Can this module communicate with standard PLCs?\u003cbr\u003eA: Yes, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eNFLR121‑S50\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis fully compatible with standard RS‑422\/RS‑485 PLC interfaces.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum cable length supported?\u003cbr\u003eA: Up to 1200 m for RS‑422\/RS‑485, depending on baud rate and cable type.\u003c\/p\u003e\n\u003cp\u003eQ: Are both full-duplex and half-duplex modes supported?\u003cbr\u003eA: Yes, both modes are configurable to match network requirements.\u003c\/p\u003e\n\u003cp\u003eQ: Can it handle mixed ASCII and binary data?\u003cbr\u003eA: Yes, the module supports both ASCII and binary transmission.\u003c\/p\u003e\n\u003cp\u003eQ: Are there similar modules for comparison?\u003cbr\u003eA: The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eNFLR122-S50\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoffers additional port isolation and higher throughput, while the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eNFLR121-S50\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eemphasizes flexible baud rates and long-distance communication.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":42884384587866,"sku":"NFLR121-S50","price":264.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/NFLR121-S00.jpg?v=1749094491","url":"https:\/\/www.plcmasters.com\/tr\/products\/yokogawa-nflr121-s50-serial-communication-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}