{"product_id":"ovation-relay-output-card-2840a18g02","title":"Emerson Ovation 2840A18G02 Relay Output Card","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Emerson Ovation 2840A18G02 is a specialized relay output module designed for integration into Ovation distributed control systems. This card serves as a critical interface component, bridging low-voltage control logic with field-side actuators such as solenoid valves, contactors, and alarm indicators. By providing reliable electrical switching and galvanic isolation, the module protects the control processor from field-side transients and electrical noise, ensuring consistent performance in demanding industrial environments.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-reliability relay switching for discrete command signals.\u003c\/li\u003e\n\u003cli\u003eGalvanic isolation between the controller backplane and field wiring to prevent fault propagation.\u003c\/li\u003e\n\u003cli\u003eRobust architecture suitable for power generation, petrochemical, and manufacturing control applications.\u003c\/li\u003e\n\u003cli\u003eOptimized for dense rack-mounted configurations with efficient thermal management.\u003c\/li\u003e\n\u003cli\u003ePhysical contact status monitoring for clear diagnostic feedback.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eThis relay output card is commonly deployed in large-scale automation systems where precise control of field devices is required. Typical applications include safety interlock logic, process valve actuation, and discrete signal distribution in power plants and heavy industrial facilities.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e2840A18G02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEmerson Ovation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e3 W (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eStandard rack-mount card slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eDiscrete relay contact outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the system power is completely disconnected before inserting or removing the card from the rack.\u003c\/li\u003e\n\u003cli\u003eHandle the module using proper ESD (Electrostatic Discharge) precautions to prevent damage to internal logic.\u003c\/li\u003e\n\u003cli\u003eVerify that all field wiring is properly secured and routed according to plant electrical standards to minimize EMI interference.\u003c\/li\u003e\n\u003cli\u003eEnsure adequate ventilation in the control cabinet to maintain operating temperatures within the specified -20 deg C to 70 deg C range.\u003c\/li\u003e\n\u003cli\u003eConfirm the module is fully seated in the backplane slot before re-energizing the system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003ch3\u003eWhat is the primary function of the 2840A18G02 card?\u003c\/h3\u003e\n\u003cp\u003eThe 2840A18G02 acts as a relay output interface, allowing the Ovation controller to send discrete commands to field hardware while providing electrical isolation to protect the control system.\u003c\/p\u003e\n\u003ch3\u003eIs this module compatible with standard Ovation racks?\u003c\/h3\u003e\n\u003cp\u003eYes, this card is designed for standard rack-mount installation within Emerson Ovation control cabinets.\u003c\/p\u003e","brand":"数据库","offers":[{"title":"Default Title","offer_id":48869582241982,"sku":"2840A18G02","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/wm_1_a65ae852-9393-47e9-8065-766162156a33.jpg?v=1788922993","url":"https:\/\/www.autooiltech.com\/products\/ovation-relay-output-card-2840a18g02","provider":"AutoOilTech Limited","version":"1.0","type":"link"}