{"product_id":"communication-interface-modules-yokogawa-vf311-s1-v-net-station","title":"Communication Interface Modules | Yokogawa VF311 S1 |  V-NET Station","description":"\u003ch2\u003eYokogawa VF311 S1 V-NET Station Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for V-NET real-time station-level communication in CENTUM CS 3000 and CENTUM VP architectures, the \u003cstrong\u003eYokogawa VF311 S1\u003c\/strong\u003e (\u003cstrong\u003eAS S9331AU-04\u003c\/strong\u003e V-NET Station Module) provides direct physical\/electrical execution for deterministic data exchange between Field Control Stations and distributed network nodes within Yokogawa V-NET systems.\u003c\/p\u003e\n\u003cp\u003eThe module operates as a station interface unit responsible for synchronized data transfer, network arbitration, and redundant path handling across V-NET communication segments. It is deployed as a rack-mounted communication node supporting legacy V-NET infrastructure.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVF311 S1: Hardware revision \/ station interface module designation\u003c\/li\u003e\n\u003cli\u003eAS S9331AU-04: Assembly \/ ordering reference for V-NET station module integration\u003c\/li\u003e\n\u003cli\u003eV-NET Station Module: Functional classification within Yokogawa control network topology\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModelBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa VF311 S1 \/ AS S9331AU-04\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\u003ePowerConsumption\u003c\/td\u003e\n\u003ctd\u003eApprox. 20 W (module level reference class)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Function\u003c\/td\u003e\n\u003ctd\u003eV-NET station interface communication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Type\u003c\/td\u003e\n\u003ctd\u003eYokogawa V-NET deterministic control network\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eDual communication path support (system dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eRack-mounted module format\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eV-NET Deterministic Communication Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe Yokogawa VF311 S1 implements V-NET synchronized communication behavior with token-based deterministic arbitration. In Yokogawa process control architectures, channel-level data exchange is managed through cyclic scheduling, ensuring that station nodes maintain predictable update timing across field control stations.\u003c\/p\u003e\n\u003cp\u003eChannel communication integrity is maintained through redundancy-aware routing, where dual-path configurations allow automatic switchover upon detected line interruption. Electrical isolation and signal conditioning are handled at system backplane and network interface level depending on cabinet configuration.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the VF311 S1 support hot-swap removal during operation?\u003cbr\u003eA: Hot-swap capability is system-dependent and governed by the host rack backplane design. VF311 S1 itself does not define standalone hot insertion behavior.\u003c\/p\u003e\n\u003cp\u003eQ: What is the typical V-NET communication behavior under redundant configuration?\u003cbr\u003eA: The module supports dual-path communication where one active and one standby path may be configured. Switching behavior is managed at system network arbitration level.\u003c\/p\u003e\n\u003cp\u003eQ: Can the module operate in mixed V-NET and Vnet\/IP environments?\u003cbr\u003eA: VF311 S1 is designed for V-NET architecture and does not natively function as a Vnet\/IP interface node.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall module into compatible Yokogawa system rack slot only\u003c\/li\u003e\n\u003cli\u003eEnsure backplane connector alignment before full insertion\u003c\/li\u003e\n\u003cli\u003eMaintain shield continuity for V-NET cabling where applicable\u003c\/li\u003e\n\u003cli\u003eAvoid cable routing parallel to high-voltage power lines\u003c\/li\u003e\n\u003cli\u003eVerify redundancy configuration consistency at system engineering level\u003c\/li\u003e\n\u003cli\u003ePerform installation with system power isolated unless rack supports insertion under power conditions\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44152884854872,"sku":"VF311 S1","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/VF311S1-3.jpg?v=1780021524","url":"https:\/\/www.industriaxplc.com\/products\/communication-interface-modules-yokogawa-vf311-s1-v-net-station","provider":"IndustriaX Limited","version":"1.0","type":"link"}