{"product_id":"yokogawa-nflr121-s00-communication-modules","title":"Yokogawa NFLR121-S00 Communication Modules","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa NFLR121-S00\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eNFLR121\u003c\/strong\u003e Serial Communication Module, operates as a dedicated hardware component for serial data exchange within FCN autonomous controller networks.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter \/ Suffix Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification Breakdown\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBase Model (NFLR121)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSerial Communication Module for FCN autonomous controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunctional \/ Rev Code (-S00)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard single-channel RS-422\/RS-485 configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNFLR121-S00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard STARDOM \/ FCN module form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 VDC system backplane draw, 500 mA current consumption\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS-422\/RS-485 (1 Channel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eData Transfer Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 1.85 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmission Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 1200 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eD-sub 9-pin female connector \/ Terminal block with M4 screw clamps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Isolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTransformer isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol \u0026amp; Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe module incorporates transformer isolation to decouple the internal bus processing logic from external serial transmission lines, preventing transient noise propagation across long cable runs up to 1200 m. Dedicated signal conditioning circuits suppress common-mode electrical interference, maintaining transmission accuracy for ASCII and binary data protocols operating at speeds up to 1.85 Mbps. This isolation architecture ensures reliable data exchange alongside analog input loops, such as 4-20 mA HART loop protocol gateways, without introducing measurement offset or cross-talk.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the NFLR121-S00 module support both two-wire and four-wire serial bus configurations?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the channel can be configured for half-duplex operation in two-wire setups or full-duplex operation in four-wire RS-422\/RS-485 networks using start-stop synchronization.\u003c\/p\u003e\n\u003cp\u003eQ: What termination precautions must be taken when wiring the module for RS-485 multipoint connections?\u003c\/p\u003e\n\u003cp\u003eA: A 120 ohm line termination resistor must be connected across the differential line terminals at both extreme ends of the RS-485 network to suppress signal reflections at high data transfer rates.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the NFLR121-S00 module into the designated base rack slot of the FCN controller, ensuring the rear backplane connectors engage fully before securing the module retention latch. When using the terminal block connection option, tighten the M4 screw clamps to a torque of 1.2 Nm. Route all RS-422\/RS-485 shielded twisted-pair cables separately from high-voltage AC power wiring, maintaining a minimum physical separation of 150 mm. Connect outer cable shields directly to the cabinet protective earth (PE) bus bar with low-impedance copper grounding leads.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":48759120789694,"sku":"NFLR121-S00","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/NFSB100-S50_1_f28f2a80-b8b0-486c-8fc4-a0ccd9695aea.jpg?v=1787125535","url":"https:\/\/www.autooiltech.com\/products\/yokogawa-nflr121-s00-communication-modules","provider":"AutoOilTech Limited","version":"1.0","type":"link"}