{"product_id":"snt501-13-yokogawa-optical-esb-bus-repeater-slave-module","title":"SNT501-13 Yokogawa  Optical ESB Bus Repeater Slave Module","description":"\u003ch2\u003eYokogawa SNT501-13 Optical ESB Bus Repeater Slave Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa SNT501-13\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eSNT501\u003c\/strong\u003e Optical ESB Bus Repeater Slave Module, operates as a dedicated hardware component for high-speed optical extension within CENTUM VP distributed control system networks. Configured for signal repeating duties over extended distances, the module provides direct execution of optical-to-electrical signal conversion to link extension I\/O nodes with the primary control station backplane.\u003c\/p\u003e\n\u003ch3\u003eLayout Configuration Selection: Layout 1\u003c\/h3\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\u003eSNT501-13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa Electric Corporation\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\u003e0.2 kg (Net assembly weight)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e32.8 x 119.9 x 130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal supply line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNode Interface Density\u003c\/td\u003e\n\u003ctd\u003e32 channels equivalent internal data routing capability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Architecture\u003c\/td\u003e\n\u003ctd\u003eOptical ESB Bus Slave transceiver circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Compatibility\u003c\/td\u003e\n\u003ctd\u003eAKB series MIL connector interface and optical fiber lines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware Variant\u003c\/td\u003e\n\u003ctd\u003eS1 specification type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003eGreater than or equal to 100 MΩ at 500 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDielectric Withstand\u003c\/td\u003e\n\u003ctd\u003e500 VAC for 1 minute duration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy Support\u003c\/td\u003e\n\u003ctd\u003eDual-redundant bus network configuration matching\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-20 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Envelope\u003c\/td\u003e\n\u003ctd\u003e5 to 95% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; DCS Instrumentation Technical Attributes\u003c\/h3\u003e\n\u003cp\u003eThis communications module integrates dual-redundant optical transceivers to maintain high-speed deterministic bus traffic between remote I\/O terminal racks and central processing nodes. The board utilizes an internal conversion circuit that translates optical data frames into electrical bus signals for ADV, AAI, and ASD series modules without adding protocol processing latencies. To preserve network loop integrity under severe industrial EMI conditions, the optical fiber path provides complete physical and galvanic isolation, eliminating ground potential loops across separate physical control cabinets.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the SNT501-13 respond during a sudden optical fiber link disruption?\u003c\/p\u003e\n\u003cp\u003eA: When deployed in a dual-redundant configuration, the slave architecture switches all communication tracking to the secondary optical channel within one bus scan cycle, preventing drops in field data.\u003c\/p\u003e\n\u003cp\u003eQ: Can this slave repeater module function properly without external 24 VDC power tracking?\u003c\/p\u003e\n\u003cp\u003eA: No, the internal optical transceivers and logic conversion circuits require a stable 24 VDC nominal supply connection to maintain the active signal repeating link state.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBaseplate Module Seating:\u003c\/strong\u003e Slide the hardware card into the assigned node slot of the extension rack, locking the module retaining mechanics completely to secure internal backplane connectivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical Fiber Interconnection:\u003c\/strong\u003e Clean all optical fiber connector tips before insertion into the transceiver ports, matching transmission lines with the correct optical ports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabinet Grounding Trace:\u003c\/strong\u003e Terminate the external system cable shields and rack chassis elements directly to the clean earth instrument ground network to eliminate static accumulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBend Radius Restrictions:\u003c\/strong\u003e Route all optical fiber interconnect cables using wire management guides that enforce standard minimum bend limits, avoiding structural attenuation of the light signal.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43681125105754,"sku":"SNT501-13","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/608..jpg?v=1784516708","url":"https:\/\/www.spareoil.com\/products\/snt501-13-yokogawa-optical-esb-bus-repeater-slave-module","provider":"SpareOil Automation","version":"1.0","type":"link"}