{"product_id":"emerson-deltav-sis-kj2231x1-ea1-relay-module","title":"Emerson DeltaV KJ2231X1-EA1 SIS Relay Output Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Emerson DeltaV KJ2231X1-EA1 is a Safety Instrumented System (SIS) relay output module designed for high-reliability industrial control environments. This module provides robust digital switching capabilities, allowing the DeltaV system to interface with field devices requiring isolated relay contacts. It is engineered to perform reliably under demanding process conditions, ensuring safety and operational integrity within the DeltaV architecture.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for integration with DeltaV SIS safety systems.\u003c\/li\u003e\n\u003cli\u003eProvides reliable relay switching for field-level instrumentation.\u003c\/li\u003e\n\u003cli\u003eRated for 2.5 A current capacity at both 250 VAC and 30 VDC.\u003c\/li\u003e\n\u003cli\u003eOperates on a standard 24 VDC control power supply.\u003c\/li\u003e\n\u003cli\u003eBuilt to withstand harsh environments with Class G3 airborne contaminant protection.\u003c\/li\u003e\n\u003cli\u003eWide ambient temperature operating range for industrial deployment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is typically deployed in process automation safety loops, emergency shutdown systems (ESD), and critical control applications where electrical isolation and high-current switching are required to manage field actuators or interface with secondary control logic.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eKJ2231X1-EA1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eEmerson\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Power\u003c\/td\u003e\n\u003ctd\u003e24 VDC @ 70 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Contact Rating\u003c\/td\u003e\n\u003ctd\u003e2.5 A @ 30 VDC \/ 2.5 A @ 250 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 degC to +70 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95% (Non-Condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShock Rating\u003c\/td\u003e\n\u003ctd\u003e10g (1\/2 Sinewave, 11 ms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration Resistance\u003c\/td\u003e\n\u003ctd\u003e1mm P-P (2-13.2 Hz); 0.7g (13.2-150 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContaminant Rating\u003c\/td\u003e\n\u003ctd\u003eISA-S71.04-1985 Class G3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the control system is powered down before installing or removing the module from the I\/O carrier.\u003c\/li\u003e\n\u003cli\u003eVerify that the module is securely seated in the designated slot to ensure proper backplane communication.\u003c\/li\u003e\n\u003cli\u003eUse shielded cabling for field connections to minimize EMI\/RFI interference in high-noise industrial environments.\u003c\/li\u003e\n\u003cli\u003eAdhere to proper grounding practices for the DeltaV rack to maintain signal integrity and safety compliance.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate ventilation around the mounting area to prevent heat accumulation exceeding the specified temperature limits.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the primary function of the KJ2231X1-EA1?\u003c\/strong\u003e\u003cbr\u003eThis is a relay output module used within the Emerson DeltaV SIS for switching field devices that require isolated contact closures.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this module suitable for high-temperature environments?\u003c\/strong\u003e\u003cbr\u003eYes, the module is rated for operation in ambient temperatures ranging from -40 degC to +70 degC.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this module require external power?\u003c\/strong\u003e\u003cbr\u003eThe module operates on 24 VDC input power as specified in the technical data.\u003c\/p\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":43981094584410,"sku":"KJ2231X1-EA1","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/wm_1_9ea63318-a407-4b6d-8b26-ed6da0ea272e.jpg?v=1788222430","url":"https:\/\/www.spareoil.com\/products\/emerson-deltav-sis-kj2231x1-ea1-relay-module","provider":"SpareOil Automation","version":"1.0","type":"link"}