{"product_id":"s9345fa-yokogawa-esb-n-esb-bus-connector-interface-module","title":"S9345FA Yokogawa ESB N-ESB Bus Connector Interface Module","description":"\u003ch2\u003eYOKOGAWA S9345FA Connector Unit\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-speed data transmission in DCS and safety network architectures, the \u003cstrong\u003eYOKOGAWA S9345FA\u003c\/strong\u003e (\u003cstrong\u003eS9345FA\u003c\/strong\u003e Connector Unit) provides direct physical signal coupling for ESB and N-ESB bus structures.\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\u003eS9345FA\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\u003e0.63 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e5.1 cm x 25.4 cm x 11.4 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Support\u003c\/td\u003e\n\u003ctd\u003eESB \/ N-ESB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e2 independent bus channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Distance\u003c\/td\u003e\n\u003ctd\u003e5 km (two stages) \/ 10 km (Vnet\/IP R1.03+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5-95% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHART Loop and Signal Isolation\u003c\/h3\u003e\n\u003cp\u003eThe S9345FA employs internal optical isolation to decouple the ESB\/N-ESB network from local electrical noise. This design prevents ground loops and transient voltage surges from propagating across the bus interface. The module supports point-to-point communication integrity, ensuring that the 4-20 mA HART loop data and control signals maintain signal-to-noise ratios during high-speed data frame transmission. The channel-to-channel isolation architecture ensures that a fault in one communication branch does not compromise the redundant bus status or the integrity of adjacent control segments.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: Does the S9345FA support hot-swapping during active network operation?\u003c\/p\u003e\n\u003cp\u003eA: No. The unit must be de-energized prior to removal or insertion to prevent potential bus communication disruption or damage to the backplane interface pins.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module handle redundant bus configurations?\u003c\/p\u003e\n\u003cp\u003eA: The S9345FA provides two independent bus channels. In a redundant configuration, the system controller monitors both channels simultaneously; if communication on the primary path is interrupted, the unit maintains continuity through the secondary channel without requiring manual intervention.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Ensure the unit is secured to the designated rack or terminal board using the provided mounting points. Verify that the mounting surface is grounded to a common potential to facilitate effective EMI shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabling:\u003c\/strong\u003e Utilize shielded twisted-pair cabling for all ESB\/N-ESB connections. Keep communication lines separated from high-voltage power conduits by a minimum distance of 30 cm to mitigate inductive coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTermination:\u003c\/strong\u003e When configuring in a daisy-chain topology, ensure the terminal device is correctly terminated to prevent signal reflections, which may introduce bit errors into the communication stream.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment:\u003c\/strong\u003e While the module is rated for up to 60 deg C, maintain adequate airflow around the unit to ensure passive heat dissipation and prolong the service life of internal electronic components.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43582671224922,"sku":"S9345FA","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/434._274778f8-27a7-4899-97be-b2b35f539e63.jpg?v=1782981284","url":"https:\/\/www.spareoil.com\/products\/s9345fa-yokogawa-esb-n-esb-bus-connector-interface-module","provider":"SpareOil Automation","version":"1.0","type":"link"}