{"product_id":"ge-mark-vies-is420ucsbs1a-safety-controller-module","title":"GE Mark VIeS IS420UCSBS1A Safety Controller Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eIS420UCSBS1A\u003c\/strong\u003e is a microprocessor-based safety controller designed by Nexus Controls (a GE Vernova company) for the \u003cstrong\u003eMark VIeS Safety Control System\u003c\/strong\u003e. This module operates as an open-type programmable processing unit dedicated to complete integrated control, functional protection, and safety-critical monitoring of generator and mechanical drive applications, notably for gas and steam turbines. It establishes a logic execution platform that processes data synchronized via industrial IONet switches and interfaces with localized safety I\/O networks. Engineered to comply with Safety Integrity Level (SIL) standards, the \u003cstrong\u003eIS420UCSBS1A\u003c\/strong\u003e executes deterministic application safety loops to mitigate operational hazards in turbine baseload and industrial control processes. The controller is designed for field mounting within a certified protective electrical enclosure, ensuring dependable computing architecture for hazardous industrial environments.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eServes as a standalone, open-type microprocessor safety controller within the \u003cstrong\u003eMark VIeS Safety Control System\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eExecutes safety-critical control loops, diagnostics, and interlocking turbine protection logic.\u003c\/li\u003e\n\u003cli\u003eSynchronizes continuous field data processing through dedicated industrial network interfaces.\u003c\/li\u003e\n\u003cli\u003eRated for Zone 2 hazardous areas and explosive atmospheres under specific system installation conditions.\u003c\/li\u003e\n\u003cli\u003eDesigned for field integration within suitable protective industrial enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete safety-critical protection and integrated control for steam and gas turbine systems.\u003c\/li\u003e\n\u003cli\u003eEmergency turbine trip logging and high-reliability functional safety deployment.\u003c\/li\u003e\n\u003cli\u003eIndustrial generator control and critical mechanical drive process monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical 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\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIS420UCSBS1A \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSafety Controller Module \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNexus Controls LLC (GE Vernova) \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturing Location\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLongmont, CO, USA \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e28 Vdc \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Input Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.1 A max \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmbient Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-30 degC to +65 degC \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eT4 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Requirements:\u003c\/strong\u003e This equipment must be mounted inside an ATEX Zone 2 certified enclosure providing a minimum ingress protection rating of at least IP54 (in accordance with EN 60529).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Context:\u003c\/strong\u003e Ensure the operating environment does not exceed a classification of Pollution Degree 2 (per EN 60664-1).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply Constraints:\u003c\/strong\u003e The controller must be powered via a switched-mode power supply (SMPS) certified for the specific location, with its output current limited to a maximum of 20 A. The power supply must comply with the specifications outlined for Vendor Manufactured Control Power supplies in the GEH-6721 System Hardware Guide.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Distribution:\u003c\/strong\u003e The module must receive its input power through an approved power distribution board certified for the applicable classified location.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransient Voltage Protection:\u003c\/strong\u003e Provision must be implemented during installation to prevent the rated voltage from being exceeded by transient disturbances of more than 140% of the nominal rated voltage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eATEX Directive 2014\/34\/EU:\u003c\/strong\u003e Type Examination Certificate DEMKO 12 ATEX 1114875X Rev. 18.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eATEX Marking Codes:\u003c\/strong\u003e * II 3 G Ex nA IIC T4 Gc \n\u003cul\u003e\n\u003cli\u003eII 3 G Ex ec IIC T4 Gc \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplied Harmonized Standards:\u003c\/strong\u003e EN IEC 60079-0:2018, EN IEC 60079-7:2015\/A1:2018, EN 60079-15:2010, EN 60079-7:2015, EN 60079-11:2012.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":52695414341995,"sku":"IS420UCSBS1A","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/general-electric-is420ucsbs1a-ucsb-controler-module-i0fmrjy4br3.jpg?v=1766053896","url":"https:\/\/www.plcprotech.com\/products\/ge-mark-vies-is420ucsbs1a-safety-controller-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}