{"product_id":"communication-gateway-unit-yokogawa-acg10s-f2121-s4","title":"Communication Gateway Unit | Yokogawa ACG10S-F2121 S4","description":"\u003ch2\u003eYokogawa ACG10S-F2121 S4 Communication Gateway Unit\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa ACG10S-F2121 S4\u003c\/strong\u003e serves as the primary \u003cstrong\u003eACG10S\u003c\/strong\u003e Communication Gateway Unit utilized to execute protocol translation and bus conversion across Yokogawa CENTUM VP \/ CS Distributed Control Systems platforms. The hardware revision S4 component manages data routing between dual-redundant V net (10BASE-5) networks and industrial Ethernet\/IP interfaces, stabilizing data transfer rates up to 12 Mbps.\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\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\u003e3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e205 mm x 482 mm x 221 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e100 VA (AC) \/ ~12 W (DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquipment Function\u003c\/td\u003e\n\u003ctd\u003eCommunication Gateway Unit (CGW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Mode\u003c\/td\u003e\n\u003ctd\u003eFrame Mode, Wide Area Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocols Supported\u003c\/td\u003e\n\u003ctd\u003ePROFIBUS-DP, Modbus RTU\/TCP, Ethernet\/IP, DeviceNet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Redundancy\u003c\/td\u003e\n\u003ctd\u003eDual-redundant V net (10BASE-5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Power Supply\u003c\/td\u003e\n\u003ctd\u003e100-120 V AC (or 24 VDC depending on variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Frequency\u003c\/td\u003e\n\u003ctd\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eChannel-to-channel galvanic isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; DCS Instrumentation Integration\u003c\/h3\u003e\n\u003cp\u003eThe ACG10S-F2121 S4 implements a dedicated 4-20 mA HART loop protocol architecture alongside FOUNDATION Fieldbus \/ Profibus PA connectivity parameters to align distributed field devices with upper-level computing nodes. Channel-to-channel galvanic isolation layers protect internal processing elements from field-side voltage transients and loop-induced cross-talk. The gateway controls Frame Mode data translation through dual-redundant V net paths, executing automatic hardware failover routines within precise bus cycles to maintain continuous supervisory control without disrupting critical instrumentation data streams.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the S4 hardware revision manage data bus selection during a V net interface line fault?\u003c\/p\u003e\n\u003cp\u003eA: The ACG10S-F2121 S4 contains internal diagnostic circuitry that continuously checks packet error rates and signal levels on the dual-redundant 10BASE-5 connections. If the primary line experiences attenuation or a physical drop, the internal logic transfers communication to the backup bus path automatically within one bus cycle.\u003c\/p\u003e\n\u003cp\u003eQ: What mechanisms protect stored protocol parameters and network maps during an unexpected mains power loss?\u003c\/p\u003e\n\u003cp\u003eA: The gateway unit stores its communication maps, data frame settings, and station addresses inside onboard non-volatile memory arrays. This design guarantees complete configuration data retention across long-term power disruptions without needing a separate battery backup cell.\u003c\/p\u003e\n\u003cp\u003eQ: Can the firmware on the ACG10S-F2121 S4 be modified to adapt to new fieldbus protocol variations?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The gateway enables network-based firmware upgrades via its dedicated supervisory Ethernet port interface. Maintenance engineers can execute flash updates directly through TCP\/IP connections without extracting the physical modules from the rack enclosure.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the ACG10S-F2121 S4 gateway into a standard 19-inch EIA instrument rack or onto a clean control panel frame. Secure the unit using matching retention screws across all integrated mounting holes to prevent mechanical strain on the electrical junctions and stabilize the 3 kg module assembly.\u003c\/p\u003e\n\u003cp\u003eRoute the incoming coaxial V net cables and industrial Ethernet lines through separate, dedicated cable ducts to eliminate signal cross-talk and limit EMI exposure. Land the overall cable shields on the specified terminal point, connecting the drain wires directly to the main instrument earth ground grid to optimize common-mode noise suppression. Provide a minimum clearance of 50 mm around all ventilation slots to ensure unrestricted convection airflow, keeping the local internal ambient environment within the -20 deg C to +60 deg C operating specifications.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43763187089498,"sku":"ACG10S-F2121","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/675.jpg?v=1785399151","url":"https:\/\/www.spareoil.com\/products\/communication-gateway-unit-yokogawa-acg10s-f2121-s4","provider":"SpareOil Automation","version":"1.0","type":"link"}