{"product_id":"ge-820-0441-01-digital-i-o-control-board","title":"GE 820-0441\/01 Digital I\/O Control Board","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGE 820-0441\/01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a digital input and output control PCB engineered for GE Energy Control Systems used in power generation and substation environments. This board serves as the signal interface layer between field devices and the system’s control logic, ensuring that discrete status signals and command outputs are processed accurately and reliably under continuous-duty conditions.\u003c\/p\u003e\n\u003cp\u003eBuilt to GE industrial standards, the board integrates signal conditioning, isolation, and onboard diagnostics into a single modular assembly, supporting both monitoring and protection-related functions within turbine and transformer control architectures.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eOperational Functionality\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWithin an Energy Control System rack, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e820-0441\/01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacquires discrete signals from external equipment such as limit switches, protection contacts, and relay feedback circuits. These inputs are evaluated by the control logic, while output channels provide controlled switching signals to actuators, alarms, interposing relays, or breaker control circuits.\u003c\/p\u003e\n\u003cp\u003eThe design emphasizes electrical robustness, minimizing susceptibility to noise, transients, and grounding issues commonly present in power plants and substations.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Category\u003c\/td\u003e\n\u003ctd\u003eDigital Input \/ Output Control PCB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e820-0441\/01\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eGE Energy Control Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Capacity\u003c\/td\u003e\n\u003ctd\u003eTypically 16 to 32 discrete channels, configuration dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Type\u003c\/td\u003e\n\u003ctd\u003e24 V DC nominal digital inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal Rating\u003c\/td\u003e\n\u003ctd\u003e24 to 48 V DC switching outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Load Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 0.5 A per output channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Logic\u003c\/td\u003e\n\u003ctd\u003eOnboard microprocessor with real-time monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Isolation\u003c\/td\u003e\n\u003ctd\u003eChannel-level and system-level isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostics\u003c\/td\u003e\n\u003ctd\u003eInput validation, output status monitoring, self-test routines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Format\u003c\/td\u003e\n\u003ctd\u003ePlug-in modular PCB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e380 × 200 × 100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eSystem Integration Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGE 820-0441\/01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed exclusively for use within GE Energy Control System frames and relies on system backplane power and communication. It is not intended for standalone operation. Proper grounding practices and correct termination of field wiring are essential to maintain signal integrity and to ensure compliance with GE installation guidelines.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eApplication Scope\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis control board is commonly deployed in gas and steam turbine control panels, generator auxiliary systems, transformer protection schemes, and balance-of-plant control cabinets. Its digital I\/O architecture supports both operational control functions and protection-related signaling where deterministic response and high availability are required.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eComparison with Related Modules\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eCompared with relay-only output boards, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e820-0441\/01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides combined digital input and output handling on a single PCB, reducing rack space and simplifying signal mapping. When used alongside dedicated relay output cards or analog I\/O modules, it forms part of a scalable and segmented control system architecture.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 820-0441\/01 interchangeable with other GE digital I\/O cards?\u003c\/strong\u003e\u003cbr\u003eInterchangeability depends on rack type, firmware configuration, and I\/O mapping. Compatibility should always be verified against the specific Energy Control System documentation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the board support field-side diagnostics?\u003c\/strong\u003e\u003cbr\u003eYes. The onboard logic monitors input validity and output status, enabling faster troubleshooting during commissioning and maintenance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the board be replaced independently?\u003c\/strong\u003e\u003cbr\u003eYes. The modular PCB format allows individual replacement without disturbing adjacent modules, provided system safety procedures are followed.\u003c\/p\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":42782495473754,"sku":"820-0441\/01","price":175.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/820-044101.jpg?v=1768548659","url":"https:\/\/www.plcmasters.com\/de\/products\/ge-820-0441-01-digital-i-o-control-board","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}