{"product_id":"honeywell-s8-2yrexw-redundancy-module","title":"Honeywell S8-2YREXW Redundancy Module","description":"\u003cp\u003eConfigured for high availability execution in Experion PKS platforms, the \u003cstrong\u003eHoneywell S8-2YREXW\u003c\/strong\u003e, cataloged as the \u003cstrong\u003eS8-2YREXW\u003c\/strong\u003e Redundancy Module, provides direct physical\/electrical execution. This hardware unit facilitates automatic failover processing within less than 500 ms to maintain system integrity across C200 and C300 controller networks.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eBase Model\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSuffix \/ Variant\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eCore Hardware Description\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eS8-2YREXW\u003c\/td\u003e\n\u003ctd\u003eStandard Base Unit\u003c\/td\u003e\n\u003ctd\u003eStandard Experion PKS Redundancy Module with Fiber Optic \/ ControlNet Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003eS8-2YREXW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eIndustrial Automation Standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard DCS Rack Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eRedundancy Module (RM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFailover Time\u003c\/td\u003e\n\u003ctd\u003eLess than 500 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Interface\u003c\/td\u003e\n\u003ctd\u003eFiber Optic \/ ControlNet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget Controllers\u003c\/td\u003e\n\u003ctd\u003eC200, C300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel Isolation and Junction Sensing Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe module utilizes optical channel-to-channel isolation and structured 4-20 mA HART loop compatibility parameters across its system backplane interfacing layer. In process automation topologies, galvanic isolation prevents cross-channel noise propagation and ground loops across redundant communication channels. The module incorporates internal cold junction compensation (CJC) reference algorithms and dynamic filter stages to preserve control state synchronization across the Fiber Optic and ControlNet interfaces during primary processor disruptions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the S8-2YREXW module support hot-swappable replacement during system operation?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module supports hot-swappable maintenance, enabling online replacement without interrupting active process control.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum automatic failover response time for this module?\u003c\/p\u003e\n\u003cp\u003eA: The failover execution speed between primary and redundant controller nodes is less than 500 ms.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eSeat the module firmly into the standard DCS rack slot, ensuring complete engagement of backplane connectors before securing retaining screws.\u003c\/li\u003e\n\u003cli\u003eConnect optical fiber or ControlNet interface cables using clean, dust-free connectors to avoid signal attenuation across the redundancy link.\u003c\/li\u003e\n\u003cli\u003eEnsure the dedicated 24 VDC power supply voltage remains stable within nominal operational limits prior to module initialization.\u003c\/li\u003e\n\u003cli\u003eVerify proper single-point grounding of all metallic chassis components to prevent ground potential variances between redundant racks.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":48786788384958,"sku":"S8-2YREXW","price":172.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/S8-2YREXW_d059a836-ff98-49be-8a96-d5b1a6ce6438.png?v=1787715969","url":"https:\/\/www.autooiltech.com\/products\/honeywell-s8-2yrexw-redundancy-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}