{"product_id":"yokogawa-snt401-13-optical-esb-bus-repeater-master-module","title":"YOKOGAWA SNT401-13 Optical ESB Bus Repeater Master Module","description":"\u003cp\u003eConfigured for signal transmission extension in distributed control network architectures, the \u003cstrong\u003eYOKOGAWA SNT401-13\u003c\/strong\u003e (\u003cstrong\u003eSNT401\u003c\/strong\u003e Optical ESB Bus Repeater Master Module) provides direct physical execution of optical-to-electrical signal conversion.\u003c\/p\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003eSNT401-13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYOKOGAWA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\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\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e2.2 cm x 12.4 cm x 12.6 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5 VDC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eOptical ESB Bus Repeater Master\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Interface\u003c\/td\u003e\n\u003ctd\u003eOptical ESB Bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation and Optical Data Integrity\u003c\/h3\u003e\n\u003cp\u003eThe SNT401-13 module enables the extension of the Extended Synchronization Bus (ESB) across geographically separated controller nodes. The internal circuitry provides channel-to-channel isolation, preventing electrical noise propagation between the optical transceiver stage and the local backplane. By facilitating high-speed data synchronization via optical fibers, the module minimizes the impact of electromagnetic interference on control loop timing, ensuring deterministic communication latency across the DCS control architecture.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the SNT401-13 support hot-swapping during active operation?\u003c\/p\u003e\n\u003cp\u003eA: No. The module must be powered down before insertion into or removal from the base unit to prevent backplane bus transients and potential damage to the control system communication circuitry.\u003c\/p\u003e\n\u003cp\u003eQ: Is the optical port compatible with standard multi-mode fiber patch cables?\u003c\/p\u003e\n\u003cp\u003eA: The SNT401-13 is designed for compatibility with Yokogawa-specified fiber optic interfaces. Ensure that the optical connector type matches the system specifications and that the fiber end-faces are free of contaminants before connection to maintain link signal budget.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eModule Seating: Align the module with the base unit guides and insert it until the backplane connectors are fully engaged. Secure the module using the built-in locking levers to ensure stable electrical contact.\u003c\/li\u003e\n\u003cli\u003eOptical Cable Management: When routing optical fibers to the SNT401-13, maintain a bend radius greater than 30 mm to avoid attenuation increases and micro-fractures in the fiber core.\u003c\/li\u003e\n\u003cli\u003eGrounding: Verify that the cabinet ground is connected according to site standards. The module chassis must maintain electrical continuity with the grounded backplane to ensure effective shielding against high-frequency interference.\u003c\/li\u003e\n\u003cli\u003eESD Protection: Always use an anti-static wrist strap when handling the module to prevent electrostatic discharge damage to the internal CMOS components.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49235709329660,"sku":"SNT401-13","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/SNT401-13.jpg?v=1782696710","url":"https:\/\/www.electronicplc.com\/ar\/products\/yokogawa-snt401-13-optical-esb-bus-repeater-master-module","provider":"Electronic PLC","version":"1.0","type":"link"}