{"product_id":"yokogawa-vc401-10-bus-coupler-modules","title":"Yokogawa VC401-10 Bus Coupler Modules","description":"\u003cp\u003eConfigured for high-speed Vnet communication within Field Control Unit node architectures, the \u003cstrong\u003eYokogawa VC401-10\u003c\/strong\u003e (\u003cstrong\u003eVC401\u003c\/strong\u003e Coupler Unit) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter \/ Suffix Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification Breakdown\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBase Model (VC401)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCoupler Unit for Vnet communication bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSafety \/ Function (-10)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard operational specification code\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVC401-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.39 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard CENTUM node module form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 VDC system backplane bus draw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNetwork Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYokogawa Vnet communication bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol \u0026amp; Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe module incorporates physical transformer isolation and noise-filtering circuits to decouple host node logic from external Vnet bus transmission lines. Integrated signal-conditioning barriers protect internal communication channels from ground loops and high-frequency EMI, ensuring stable transmission of real-time control data. This noise immunity preserves measurement accuracy for field-facing I\/O modules handling 4-20 mA HART loop protocol communications passing across the control node network.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the VC401-10 Vnet coupler unit be hot-swapped while the Field Control Unit is powered?\u003c\/p\u003e\n\u003cp\u003eA: Hot-swapping is permitted only when installed within a redundant Vnet bus configuration where the secondary active coupler module maintains network traffic without packet loss.\u003c\/p\u003e\n\u003cp\u003eQ: What network cable grounding practices must be enforced when connecting the Vnet interface?\u003c\/p\u003e\n\u003cp\u003eA: Outer coaxial or shielded twisted-pair cable shields must connect directly to the system protective earth (PE) bus bar at entry points to suppress high-frequency common-mode noise.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the VC401-10 module into its designated slot on the node rack, ensuring the rear backplane connectors engage fully before securing the top and bottom retaining screws to 0.5 Nm torque. Route Vnet communication cables in dedicated wire raceways, keeping a minimum 150 mm physical separation from high-voltage AC power wiring. Connect all shield drain wires directly to the main cabinet protective earth (PE) grounding bar using short conductors. Maintain cabinet ambient temperature between 0 and 55 deg C to ensure continuous real-time bus operation.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":48759085400254,"sku":"VC401-10","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/AAI543-H53.jpg?v=1787125372","url":"https:\/\/www.autooiltech.com\/products\/yokogawa-vc401-10-bus-coupler-modules","provider":"AutoOilTech Limited","version":"1.0","type":"link"}