{"product_id":"vf702-s2-yokogawa-centum-control-bus-interface-card","title":"VF702 S2 Yokogawa CENTUM Control Bus Interface Card","description":"\u003ch2\u003eYokogawa VF702 Control Bus Interface Card\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa VF702\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eVF702\u003c\/strong\u003e Control Bus Interface Card, operates as a dedicated hardware component for high-speed deterministic bus communications within CENTUM DCS networks.\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\u003eVF702\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\u003e2.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Yokogawa card slot enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5 VDC, 0.8 A (Internal Backplane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Type\u003c\/td\u003e\n\u003ctd\u003eControl Bus Interface Card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Connector\u003c\/td\u003e\n\u003ctd\u003eBNC Connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Connection\u003c\/td\u003e\n\u003ctd\u003eCoaxial Cable with Model YCB146, T-Type Connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Standard\u003c\/td\u003e\n\u003ctd\u003e10BASE-2 Compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIngress Protection\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and DCS Connectivity\u003c\/h3\u003e\n\u003cp\u003eConfigured for Yokogawa CENTUM systems, the VF702 module maintains physical signal integrity over 10BASE-2 coaxial media using BNC interconnects with YCB146 T-connectors. Channel-to-channel isolation prevents ground loop interference across distributed field nodes. Integrated cold junction compensation circuit pathways stabilize high-density analog loop transfers, guaranteeing reliable HART, FOUNDATION Fieldbus, and process bus telemetry performance under severe electromagnetic conditions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the VF702 establish connection with the CENTUM control bus?\u003c\/p\u003e\n\u003cp\u003eA: The card utilizes a standard BNC connector configured for 10BASE-2 compliant coaxial networking via a Yokogawa Model YCB146 T-type connector.\u003c\/p\u003e\n\u003cp\u003eQ: What are the grounding requirements for the coaxial interface on the VF702?\u003c\/p\u003e\n\u003cp\u003eA: The coaxial shield must be grounded at a single point through the YCB146 assembly to eliminate ground loops while preserving high-frequency noise immunity.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the VF702 vertically into the designated CENTUM node chassis slot until the rear backplane connectors fully engage. Secure retaining screws to guarantee continuous chassis ground continuity. When running 10BASE-2 coaxial cables, maintain a minimum bending radius of 50 mm to avoid dielectric degradation. Terminate both physical cable ends with standard 50-ohm BNC terminators. Route communication cabling away from high-voltage AC motor leads or variable frequency drive cables to mitigate EMI noise.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43838371856474,"sku":"VF702 S2","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/800..jpg?v=1786588377","url":"https:\/\/www.spareoil.com\/products\/vf702-s2-yokogawa-centum-control-bus-interface-card","provider":"SpareOil Automation","version":"1.0","type":"link"}