{"product_id":"snt501-53-yokogawa-optical-esb-bus-repeater-slave-new-original-stock","title":"SNT501-53 YOKOGAWA Optical ESB Bus Repeater Slave | New \u0026 Original Stock","description":"\u003cp\u003eThe \u003cstrong\u003eYOKOGAWA SNT501-53\u003c\/strong\u003e (\u003cstrong\u003eSNT501-53\u003c\/strong\u003e) acts as a critical signal regeneration node for the Extended Synchronous Bus (ESB). By facilitating the conversion of bus signals to an optical format, this slave module enables reliable, long-distance communication between remote I\/O nodes and the central control system, ensuring data integrity even in environments subject to electromagnetic interference.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSNT501\u003c\/strong\u003e: Base model identifier for the Optical ESB Bus Repeater Slave Module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-5\u003c\/strong\u003e: Indicates standard version with no integrated explosion-proof protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\u003c\/strong\u003e: Designates the environmental rating, complying with ISA Standard G3 for resistance to corrosive environments.\u003c\/li\u003e\n\u003c\/ul\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\u003eSNT501-53\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.33 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eESB Bus (Optical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20°C to 70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental\u003c\/td\u003e\n\u003ctd\u003eISA Standard G3 (Conformal Coating)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePurpose\u003c\/td\u003e\n\u003ctd\u003eMaintenance \/ Signal Regeneration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Communication Integrity\u003c\/h3\u003e\n\u003cp\u003eThe SNT501-53 functions as a slave node within the bus architecture, regenerating the optical signals to maintain timing synchronization across the network. Because it utilizes optical fiber as the transmission medium, the module effectively eliminates the risk of ground loops and electrical noise injection, which are common challenges in geographically dispersed industrial facilities.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does \"maintenance purposes only\" indicate that the module is obsolete?\u003c\/p\u003e\n\u003cp\u003eA: No, this designation typically refers to the module being used as a spare part or for replacement during scheduled maintenance of existing control architectures. It remains fully functional for extending or restoring communication links in supported systems.\u003c\/p\u003e\n\u003cp\u003eQ: Is G3 conformal coating sufficient for marine environments?\u003c\/p\u003e\n\u003cp\u003eA: ISA Standard G3 coating provides significant protection against harsh, corrosive, and salt-laden air common in chemical plants and coastal industrial zones, though supplemental cabinet-level climate control is always recommended.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the optical fiber end-faces are pristine before connection; use a fiber inspection scope to check for contamination.\u003c\/li\u003e\n\u003cli\u003eWhen mounting the module, ensure it is securely fastened within the cabinet rack to avoid vibration, which could affect the stability of the optical link.\u003c\/li\u003e\n\u003cli\u003eFollow the specific fiber-optic polarity (Transmit\/Receive) as defined by the bus architecture to ensure proper handshaking between the master and slave repeaters.\u003c\/li\u003e\n\u003cli\u003eAfter installation, perform a diagnostic scan using the DCS maintenance station to verify the link quality and signal strength of the optical bus.\u003c\/li\u003e\n\u003cli\u003eKeep the module in its anti-static packaging until the moment of installation to protect the internal circuitry from electrostatic discharge (ESD).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49185100923132,"sku":"SNT501-53 S1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/SNT401-53_S1.jpg?v=1781229269","url":"https:\/\/www.electronicplc.com\/ar\/products\/snt501-53-yokogawa-optical-esb-bus-repeater-slave-new-original-stock","provider":"Electronic PLC","version":"1.0","type":"link"}