{"product_id":"linknet-termination-resistor-woodward-micronet-9905-760","title":"LinkNet Termination Resistor Woodward MicroNet 9905-760","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWoodward 9905-760\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a critical passive component within the MicroNet LinkNet distributed I\/O architecture. This termination resistor maintains the electrical balance of the Local Operating Network (LON) by matching the characteristic impedance of the communication line. It effectively absorbs traveling waves at the end of the bus, preventing signal reflections that cause data corruption and communication timeouts between the MicroNet CPU and remote I\/O nodes.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 9905-760 provides the precise resistance values required to stabilize LON-based fieldbus topologies.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\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\u003eWoodward\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e9905-760\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNetwork Protocol\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLON (Local Operating Network)\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\u003eMicroNet \/ LinkNet Distributed I\/O\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTerminal Block Integrated \/ Inline\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSignal Reflection Suppression\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100% Brand New and Original\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe 9905-760 addresses fundamental physical-layer challenges in distributed turbine control environments:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eElimination of Data Jitter:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy suppressing voltage reflections on the LON bus, this resistor ensures the CPU receives clean, square-wave signals. This prevents the \"ghost faults\" and intermittent I\/O dropouts that often plague un-terminated networks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtended Network Distance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProper termination allows the LinkNet bus to reach its maximum rated distance without signal degradation. It enables stable communication for I\/O nodes located in remote enclosures far from the main control rack.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEMI Noise Hardening:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIn the high-interference environment of power plants, an un-terminated bus acts as an antenna for electromagnetic noise. The 9905-760 closes the loop, significantly reducing the system's susceptibility to ambient EMI.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Troubleshooting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUsing an official Woodward 9905-760 ensures the resistance values perfectly match the LinkNet transceiver requirements. This removes the guesswork during system commissioning and simplifies the validation of the physical communication layer.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhere exactly should I install the 9905-760 in my network?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYou must install a 9905-760 termination resistor at the two physical ends of each LON bus segment. Placing them in the middle of a run or omitting them at the ends will cause communication errors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a standard commercial resistor instead of the 9905-760?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile a standard resistor may have the same nominal value, Woodward's 9905-760 is built to industrial tolerances and environmental ratings specifically for turbine control applications. Using generic components introduces potential failure points and may void system certifications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat symptoms indicate a failing or missing termination resistor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCommon symptoms include \"LinkNet Timeout\" alarms, fluctuating analog input values, and high error counts in the CPU diagnostic logs. If your I\/O modules frequently go \"offline\" and then recover, check the integrity of your 9905-760 terminators.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this part require a \"Brand New\" purchase for such a simple component?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Corroded or aged resistors can develop parasitic inductance or shift in resistance value. A 100% Brand New 9905-760 guarantees the exact impedance matching required for high-speed LON communication, ensuring long-term system stability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":53423488270520,"sku":"9905-760","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/9905-760_1.jpg?v=1777542091","url":"https:\/\/www.globalpetroparts.com\/products\/linknet-termination-resistor-woodward-micronet-9905-760","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}