{"product_id":"ovation-relay-output-card-2840a18g02","title":"Emerson Ovation 2840A18G02 Relay Output Card","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Emerson Ovation 2840A18G02 is a specialized relay output module designed for high-availability distributed control system (DCS) environments. This card facilitates the reliable transition of low-voltage logic signals into high-power field commands, serving as a critical interface for industrial actuators, solenoid valves, and motor contactors. Built for durability in demanding process control settings, it provides essential electrical isolation to protect the central processor from field-side transients and voltage surges, thereby enhancing overall system stability and reducing the risk of unplanned downtime.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRobust relay-based switching architecture for clear, physical state indication.\u003c\/li\u003e\n\u003cli\u003eGalvanic isolation between the control backplane and field wiring to mitigate common-mode noise.\u003c\/li\u003e\n\u003cli\u003eEngineered for high-density rack-mount environments with efficient thermal management.\u003c\/li\u003e\n\u003cli\u003eDesigned for sustained operation in critical infrastructure including power generation and petrochemical processing.\u003c\/li\u003e\n\u003cli\u003eHigh-reliability contact design suitable for long-term industrial control cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\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\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the control rack is powered down before inserting or removing the 2840A18G02 module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eVerify that the slot is clear of debris and that the card is fully seated to ensure proper backplane communication.\u003c\/li\u003e\n\u003cli\u003eUse appropriate ESD-safe handling procedures when touching the PCB to avoid static discharge.\u003c\/li\u003e\n\u003cli\u003eEnsure field wiring is properly shielded and routed away from high-voltage AC lines to minimize EMI interference.\u003c\/li\u003e\n\u003cli\u003eConfirm that the field load current does not exceed the relay contact rating to prevent premature contact degradation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the primary function of the 2840A18G02?\u003c\/strong\u003e\u003cbr\u003eThis module acts as a relay output interface for the Ovation DCS, allowing the control system to trigger field devices like solenoids and contactors through isolated relay contacts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan this card be used in high-temperature environments?\u003c\/strong\u003e\u003cbr\u003eThe module is rated for operation between -20 deg C and 70 deg C, making it suitable for most standard industrial control room and cabinet environments.\u003c\/p\u003e","brand":"数据库","offers":[{"title":"Default Title","offer_id":44052466597978,"sku":"2840A18G02","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/wm_1_7e033fe5-0a0c-4531-8cd1-c1dea9860fbf.jpg?v=1789182773","url":"https:\/\/www.spareoil.com\/ar\/products\/ovation-relay-output-card-2840a18g02","provider":"SpareOil Automation","version":"1.0","type":"link"}