{"product_id":"yokogawa-snt501-13-optical-esb-slave-repeater-module","title":"Yokogawa SNT501-13 Optical ESB Slave Repeater Module","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSNT501-13\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis an optical communication repeater designed to extend the Extended System Bus (ESB) within Yokogawa CENTUM VP and Yokogawa CENTUM CS 3000 control architectures. Operating as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eslave-side\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule of an optical ESB link, it receives high-speed control data via fiber optic cable from a master repeater and converts it back into electrical signals for local I\/O backplane distribution.\u003c\/p\u003e\n\u003cp\u003eBy leveraging fiber optic transmission, the SNT501-13 provides full galvanic isolation between distributed plant areas. This eliminates ground loops and protects control systems from lightning strikes, high-voltage surges, and severe electromagnetic interference.\u003c\/p\u003e\n\u003cp\u003eThe module enables long-distance geographic distribution of I\/O nodes—far beyond the limitations of copper-based ESB cables—while preserving deterministic communication performance required for real-time process synchronization. It is engineered for seamless integration and stable operation in large-scale industrial facilities.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical 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\u003eModule Function\u003c\/td\u003e\n\u003ctd\u003eOptical ESB Bus Repeater (Slave side)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Medium\u003c\/td\u003e\n\u003ctd\u003eDual-core fiber optic cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Port\u003c\/td\u003e\n\u003ctd\u003eDedicated high-speed optical connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Conversion\u003c\/td\u003e\n\u003ctd\u003eOptical-to-Electrical (O\/E)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eFull galvanic isolation via fiber link\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePairing Requirement\u003c\/td\u003e\n\u003ctd\u003eOperates with SNT401 master repeater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e5 V DC internal logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to 55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W × H × D)\u003c\/td\u003e\n\u003ctd\u003e3.2 cm × 12.7 cm × 12.7 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003eThe SNT501-13 is commonly used in:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eTank farm automation systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWater and wastewater treatment plants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOffshore oil \u0026amp; gas platforms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMulti-building industrial complexes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is particularly suitable for connecting remote I\/O racks across long distances or in high-EMI environments where copper communication would be unreliable.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum supported distance?\u003c\/strong\u003e\u003cbr\u003eDepending on fiber type and the paired master module, the SNT501-13 typically supports transmission distances from approximately 500 meters up to 5 kilometers without signal degradation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the SNT501-13 support redundant configurations?\u003c\/strong\u003e\u003cbr\u003eYes. In high-availability systems, dual SNT501-13 modules can be installed to create a redundant optical ESB path, ensuring continuous operation even if one fiber link fails.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51849281962296,"sku":"SNT501-13","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/SNT501-13.jpg?v=1772502775","url":"https:\/\/www.automodulexpert.com\/products\/yokogawa-snt501-13-optical-esb-slave-repeater-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}