{"product_id":"yokogawa-acg10s-f2121-s4-communication-gateway-unit","title":"Yokogawa ACG10S-F2121 S4 Communication Gateway Unit","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa ACG10S-F2121 S4\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eACG10S\u003c\/strong\u003e Communication Gateway Unit, operates as a dedicated hardware component for wide-area Ethernet communication and dual-redundant V net execution within distributed control systems.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e-F2121\u003c\/strong\u003e: Frame configuration variant supporting standard wide-area Ethernet framing and V net data protocols.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS4\u003c\/strong\u003e: Style 4 revision level indicating specific hardware baseline updates and backplane interface compatibility.\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\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\u003eACG10S-F2121 S4\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\u003eApprox. 7.5 kg (Rack Mount Type) \/ Approx. 6.5 kg (Desktop Type)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 19-inch rack compatible \/ Desktop enclosure footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e100-120 V AC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Mode\u003c\/td\u003e\n\u003ctd\u003eFrame Mode, Wide Area Communication (Ethernet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eDual-Redundant V net (10BASE-5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eGeneral-Purpose 19-inch Rack Mountable \/ Desktop Type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation and DCS Network Integrity\u003c\/h3\u003e\n\u003cp\u003eThe ACG10S-F2121 S4 incorporates high-integrity communication bus management to protect control network traffic from electromagnetic interference and common-mode transients. Key technical mechanisms include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eChannel-to-channel isolation on physical communication interfaces preventing ground loops between the wide-area Ethernet backbone and field node networks.\u003c\/li\u003e\n\u003cli\u003eActive dual-redundant V net (10BASE-5) transceiver architecture executing deterministic failover switching without session drops during primary bus degradation.\u003c\/li\u003e\n\u003cli\u003eIntegrated cold junction compensation and internal bus diagnostic registers monitoring framing rates, packet drop metrics, and buffer overruns directly to the supervisory node.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the failover behavior of the dual-redundant V net architecture upon primary bus cable disconnection?\u003c\/p\u003e\n\u003cp\u003eA: The gateway unit detects carrier loss on the active 10BASE-5 line within 50 ms and automatically routes traffic to the standby redundant channel without dropping active session states on the Ethernet wide-area side.\u003c\/p\u003e\n\u003cp\u003eQ: Can the ACG10S-F2121 S4 be hot-swapped while the 100-120 V AC power supply is active?\u003c\/p\u003e\n\u003cp\u003eA: No. Live insertion or removal of the gateway unit under active AC power input is strictly prohibited to prevent electrical arcing across edge connectors and internal power conversion circuits.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the 19-inch rack mounting rails or desktop enclosure surfaces are securely bolted and bonded to the plant protective earth (PE) busbar using a conductor cross-section of at least 4 mm^2.\u003c\/li\u003e\n\u003cli\u003eMaintain a minimum vertical clearance of 50 mm above and below the chassis housing to permit passive thermal convection across internal heat dissipation profiles.\u003c\/li\u003e\n\u003cli\u003eTerminate the V net (10BASE-5) coaxial drop cables using precision 50-ohm N-type or specialized transceiver taps with proper outer shield grounding to eliminate high-frequency common-mode noise.\u003c\/li\u003e\n\u003cli\u003eVerify that incoming line voltage remains strictly within the 100-120 V AC window prior to energizing the internal power supply module.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":48206287110334,"sku":"ACG10S-F2121 S4","price":3000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/ACG10S-F2121S4_2.png?v=1785122152","url":"https:\/\/www.autooiltech.com\/products\/yokogawa-acg10s-f2121-s4-communication-gateway-unit","provider":"AutoOilTech Limited","version":"1.0","type":"link"}