{"product_id":"yokogawa-vf311-s1-v-net-station-module","title":"Yokogawa VF311 S1 V-NET Station Module","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa VF311 S1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eVF311\u003c\/strong\u003e V-NET Station Module, operates as a dedicated hardware component for high-speed deterministic bus communication within Yokogawa CENTUM VP and CS 3000 DCS platforms. It interfaces directly between field control stations (FCS) and the V-NET network backbone to execute real-time control packet transmission and node synchronization.\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\u003eVF311 S1\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\u003e0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e145 mm x 112 mm x 100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard Industrial Grade (0 to 60 deg C operational environment)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e220 to 240 V AC supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eV-NET Station Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocol\u003c\/td\u003e\n\u003ctd\u003eYokogawa V-NET Proprietary Protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Speed\u003c\/td\u003e\n\u003ctd\u003eUp to 1 Mbit\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 128 connected devices\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Format\u003c\/td\u003e\n\u003ctd\u003eRack-mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Diagnostics\u003c\/td\u003e\n\u003ctd\u003eIntegrated LED indicators for communication and fault status\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 Integration\u003c\/h3\u003e\n\u003cp\u003eWhile functioning as a high-speed physical layer V-NET communication module, the unit transparently relays process data and configuration telegrams originating from field-level 4-20 mA HART loop protocol I\/O modules. Internal bus arbitration and noise-filtering circuitry prevent transmission jitter, maintaining synchronous packet transport across the 1 Mbit\/s V-NET bus structure. This architecture ensures that real-time analog variables and background HART diagnostic telemetry reach the control station without channel cross-talk or timing degradation.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How many total node stations can the VF311 S1 module support across a single V-NET bus segment?\u003c\/p\u003e\n\u003cp\u003eA: The VF311 S1 module supports communication management for up to 128 connected devices on the V-NET network backbone.\u003c\/p\u003e\n\u003cp\u003eQ: What diagnostic indicators are available on the module front panel for troubleshooting?\u003c\/p\u003e\n\u003cp\u003eA: The module incorporates front-panel LED status indicators that provide real-time visual feedback on active V-NET bus traffic, link integrity, and hardware fault conditions.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eRack Mounting:\u003c\/strong\u003e Slide the VF311 S1 module into the designated slot of the CENTUM station rack. Hand-tighten the module retaining screws to secure mechanical locking and chassis ground contact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower \u0026amp; Network Connections:\u003c\/strong\u003e Wire the primary 220 to 240 V AC supply line to the power input terminals. Terminate incoming and outgoing V-NET bus cables using approved coaxial or twisted-pair connectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding \u0026amp; Grounding:\u003c\/strong\u003e Connect overall network cable shields directly to the master cabinet earth ground bar to suppress common-mode electromagnetic interference.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52677973672216,"sku":"VF311 S1","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/screenshot_2026-09-14_15-55-23_Cocoai_0eb41548-acf8-4442-be2f-eaa4d5e2b7b2.jpg?v=1789375794","url":"https:\/\/www.innoplcsync.com\/products\/yokogawa-vf311-s1-v-net-station-module","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}