{"product_id":"yokogawa-afs40s-field-control-unit-16mb-vnet-esb-for-centum-cs-3000","title":"Yokogawa AFS40S Field Control Unit 16MB Vnet\/ESB for CENTUM CS 3000","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAFS40S\u003c\/strong\u003e is a \u003cstrong\u003efield control unit (FCU)\u003c\/strong\u003e for the \u003cstrong\u003eYokogawa CENTUM CS 3000 production control system\u003c\/strong\u003e. It serves as the intelligence core of the field control station (FCS), executing real-time control algorithms and managing I\/O communication via \u003cstrong\u003edual-redundant Vnet\u003c\/strong\u003e and \u003cstrong\u003eESB bus interfaces\u003c\/strong\u003e. With a \u003cstrong\u003eVR5432 133 MHz RISC processor\u003c\/strong\u003e and \u003cstrong\u003e16 MB of main memory\u003c\/strong\u003e, the AFS40S provides reliable control for medium-scale process applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Yokogawa CENTUM CS 3000\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProcessor:\u003c\/strong\u003e VR5432 RISC CPU, 133 MHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMain Memory:\u003c\/strong\u003e 16 MB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMemory Backup:\u003c\/strong\u003e Battery-backed, max. 72 hours retention\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Recharge Time:\u003c\/strong\u003e Minimum 48 hours\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNetwork Interfaces:\u003c\/strong\u003e Dual-redundant Vnet, single or dual-redundant ESB bus\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLocal Node Units:\u003c\/strong\u003e Max. 10 per FCU\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemote Node Units:\u003c\/strong\u003e Max. 9 per FCU (max. 8 per ER bus)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFCU Status Contact:\u003c\/strong\u003e 3 terminals (NC, NO, C), 250 V AC \/ 30 V DC, max. 2 A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Cabinet-integrated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -20°C to +60°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 100–120 V AC, 220–240 V AC, or 24 V DC (suffix dependent)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProven RISC Architecture:\u003c\/strong\u003e The VR5432 133 MHz processor delivers deterministic control execution for continuous and batch processes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Redundant Vnet:\u003c\/strong\u003e Redundant control network ensures uninterrupted communication with operator stations and peer controllers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible ESB Bus:\u003c\/strong\u003e Supports single or dual-redundant ESB bus configurations to match availability requirements and budget constraints.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e72-Hour Memory Backup:\u003c\/strong\u003e Battery-backed RAM retains control programs and historical data during power failures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Node Capacity:\u003c\/strong\u003e Supports up to 19 total node units (10 local + 9 remote) for large-scale I\/O expansion.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between AFS40S and AFS40D?\u003c\/strong\u003e\u003cbr\u003eA: The \u003cstrong\u003eAFS40S\u003c\/strong\u003e is a \u003cstrong\u003esingle (standard)\u003c\/strong\u003e field control unit. The \u003cstrong\u003eAFS40D\u003c\/strong\u003e is a \u003cstrong\u003eduplexed (redundant)\u003c\/strong\u003e field control unit with dual processors and power supplies for fault-tolerant operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the AFS40S be upgraded to redundant operation?\u003c\/strong\u003e\u003cbr\u003eA\u0026gt; The AFS40S is a single-unit design. For redundancy, replace it with the \u003cstrong\u003eAFS40D\u003c\/strong\u003e duplexed field control unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum number of I\/O modules per AFS40S?\u003c\/strong\u003e\u003cbr\u003eA\u0026gt; Node capacity depends on the node unit type. The AFS40S supports up to 10 local node units, each accommodating multiple I\/O modules. Total I\/O count is determined by node unit configuration.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eInstall the FCU cabinet in a \u003cstrong\u003econtrolled environment\u003c\/strong\u003e within the specified temperature range.\u003c\/li\u003e\n  \u003cli\u003eConnect \u003cstrong\u003eVnet cables\u003c\/strong\u003e to both primary and redundant network segments.\u003c\/li\u003e\n  \u003cli\u003eConnect \u003cstrong\u003eESB bus cables\u003c\/strong\u003e to local node units.\u003c\/li\u003e\n  \u003cli\u003eWire the \u003cstrong\u003eFCU status contact\u003c\/strong\u003e to an external alarm panel for failure indication.\u003c\/li\u003e\n  \u003cli\u003eVerify battery voltage and \u003cstrong\u003ememory backup status\u003c\/strong\u003e before commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem Generation:\u003c\/strong\u003e The AFS40S is designed for \u003cstrong\u003eCENTUM CS 3000\u003c\/strong\u003e. For newer CENTUM VP installations, consider the AFS30S or AFS30D series.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRedundancy Needs:\u003c\/strong\u003e For processes where controller failure is unacceptable, specify the AFS40D duplexed unit instead of the AFS40S.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNode Planning:\u003c\/strong\u003e Calculate local vs. remote node requirements. Remote nodes require ER bus cables and are limited to 8 per ER bus segment.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53984833667256,"sku":"AFS40S","price":155.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/AFS40S_._7d198ed0-bd09-45cc-81f7-c6749a750401.png?v=1787726923","url":"https:\/\/www.globalpetroparts.com\/products\/yokogawa-afs40s-field-control-unit-16mb-vnet-esb-for-centum-cs-3000","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}