{"product_id":"general-electric-is420ydoas1b-discrete-output-i-o-pack-mark-vie-ex2100-series","title":"General Electric IS420YDOAS1B Discrete Output I\/O Pack Mark VIe EX2100 Series","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"citation-374 citation-end-374\"\u003eThe General Electric IS420YDOAS1B is a high-performance Discrete Output (DO) I\/O pack designed for the Mark VIe control architecture and EX2100 Excitation Control systems.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eThis module acts as the digital intelligence layer between the controller's Ethernet network and the physical terminal boards.\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-373 citation-end-373\"\u003eIt is specifically engineered to drive up to twelve independent relay outputs while simultaneously monitoring terminal board feedback to ensure loop integrity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-372 citation-end-372\"\u003eHoused in a ruggedized outer chassis, the IS420YDOAS1B facilitates high-speed communication via dual RJ45 Ethernet ports, supporting redundant network topologies.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-371 citation-end-371\"\u003eIt translates digital commands into physical actuation through a high-density DC37 connector, making it a critical component for controlling motor starters, solenoids, and process interlocks in turbine and generator environments.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eAs an active product within the GE Speedtronic family, it represents a modern solution for reliable discrete signal management.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Characteristics and Architecture\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundant Network Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with dual Ethernet ports to allow for seamless integration into Ionet architectures, ensuring control is maintained even if one network link fails.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-370\"\u003e\u003c\/span\u003e\u003cstrong\u003eTwelve-Channel Relay Control:\u003c\/strong\u003e\u003cspan class=\"citation-370 citation-end-370\"\u003e\u003cspan\u003e \u003c\/span\u003eManages twelve discrete outputs with dedicated feedback monitoring for each relay to verify successful state changes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-369\"\u003e\u003c\/span\u003e\u003cstrong\u003eAdvanced Visual Diagnostics:\u003c\/strong\u003e\u003cspan class=\"citation-369 citation-end-369\"\u003e\u003cspan\u003e \u003c\/span\u003eThe front panel includes a comprehensive LED array.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-368 citation-end-368\"\u003eTwelve yellow LEDs provide immediate confirmation of relay activation, while \"BBPx\" and \"ATTN\" LEDs communicate processor health and application status through specific flash patterns.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperational Intelligence:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBuilt-in firmware tracks internal hardware health, triggering specific system alarms (such as Remote I\/O mode alerts) if a configuration mismatch or hardware fault is detected.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRugged Mechanical Shielding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe internal circuitry is protected by a specialized metallic chassis designed to dissipate heat and shield sensitive electronics from electromagnetic interference (EMI).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Connectivity:\u003c\/strong\u003e\u003cspan class=\"citation-367 citation-end-367\"\u003e\u003cspan\u003e \u003c\/span\u003eUtilizes a standard three-pin power input and a DC37 pin connector for direct, secure coupling with the discrete output terminal board.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGeneral Electric (GE)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIS420YDOAS1B\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-366\"\u003e\u003c\/span\u003e\u003cstrong\u003eProduct Family:\u003c\/strong\u003e\u003cspan class=\"citation-366 citation-end-366\"\u003e\u003cspan\u003e \u003c\/span\u003eMark VIe \/ EX2100\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModule Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDiscrete Output I\/O Pack\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Quantity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e12 Channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-365\"\u003e\u003c\/span\u003e\u003cstrong\u003eCommunication:\u003c\/strong\u003e\u003cspan class=\"citation-365 citation-end-365\"\u003e\u003cspan\u003e \u003c\/span\u003eDual 10\/100 Ethernet (RJ45)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConnector:\u003c\/strong\u003e\u003cspan class=\"citation-364 citation-end-364\"\u003e\u003cspan\u003e \u003c\/span\u003eDC37 Pin\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.22 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2.1 x 18.6 x 26.3 cm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Status:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eActive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHS Code:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e8537101190\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIndustrial Application Areas\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExcitation Control:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eManaging field flash relays and de-excitation contactors within the EX2100 system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTurbine Sequencing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eControlling auxiliary pumps, fans, and heating elements in steam or gas turbine operations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEmergency Shutdown (ESD):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eActuating safety-related discrete outputs in integrated control and safety systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Generation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCoordination of generator breaker trip and close signals within a Mark VIe DCS.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":45519090024621,"sku":"IS420YDOAS1B","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/general-electric-is420ydoas1b-discrete-output-module-bovm3ahdwon.jpg?v=1766986744","url":"https:\/\/www.maxwellplc.com\/products\/general-electric-is420ydoas1b-discrete-output-i-o-pack-mark-vie-ex2100-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}