{"product_id":"honeywell-51401952-200-keyboard-interface-pcb","title":"Honeywell 51401952-200 Keyboard Interface PCB","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHoneywell 51401952-200\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ekeyboard interface board is an industrial Printed Circuit Board designed for operator console integration in Honeywell legacy control platforms. This module provides the electronic interface required to connect membrane keyboards to classic Honeywell operator furniture used in distributed control systems.\u003c\/p\u003e\n\u003cp\u003eBuilt for dependable operation in demanding industrial environments, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e51401952-200\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eboard supports both ABCDE and QWERTY membrane keyboard layouts. It simplifies installation by transmitting both power and communication signals through a single cable connection. The board communicates using an RS-485 interface and supports Modbus RTU protocol, enabling reliable interaction with compatible I\/O systems.\u003c\/p\u003e\n\u003cp\u003eThis version represents the updated keyboard interface electronics used in Honeywell’s classic console infrastructure and is commonly installed during maintenance, refurbishment, or modernization of older control cabinets.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e• Compatible with ABCDE and QWERTY membrane keyboard layouts\u003cbr\u003e• Integrated power and data transmission through one cable\u003cbr\u003e• RS-485 serial communication with Modbus RTU support\u003cbr\u003e• Designed for Honeywell legacy operator console furniture\u003cbr\u003e• Supports CE-compliant and selected non-CE Honeywell I\/O boards\u003cbr\u003e• Compact PCB design suitable for console electronics integration\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\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e51401952-200\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eKeyboard Interface Printed Circuit Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003eApprox. 100 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eRS-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol Support\u003c\/td\u003e\n\u003ctd\u003eModbus RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Keyboard Types\u003c\/td\u003e\n\u003ctd\u003eABCDE membrane keyboard, QWERTY membrane keyboard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Connected Devices\u003c\/td\u003e\n\u003ctd\u003eUp to 128\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.22 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20 °C to 60 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 °C to 85 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e0–95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e51401952-200\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ekeyboard interface PCB is designed for integration with Honeywell operator console systems and supports several compatible I\/O platforms, including:\u003c\/p\u003e\n\u003cp\u003e• CE-compliant EPDGC I\/O boards\u003cbr\u003e• Non-CE EPDGP boards such as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e51304854-200\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e51304854-300\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis compatibility makes the board suitable for maintaining legacy Honeywell control environments while allowing gradual system upgrades.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTypical Application Areas\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe keyboard interface module is typically installed in operator stations and control furniture used in industrial process control environments.\u003c\/p\u003e\n\u003cp\u003eCommon installations include:\u003c\/p\u003e\n\u003cp\u003e• Distributed Control System (DCS) operator consoles\u003cbr\u003e• Process plant control rooms\u003cbr\u003e• Refinery and petrochemical automation systems\u003cbr\u003e• Power generation monitoring stations\u003cbr\u003e• Industrial control cabinet retrofits\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary function of the Honeywell 51401952-200 board?\u003c\/strong\u003e\u003cbr\u003eIt provides the electronic interface that connects membrane keyboards to Honeywell operator console systems, enabling operator input for control and monitoring functions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich keyboard layouts are supported?\u003c\/strong\u003e\u003cbr\u003eThe module supports both ABCDE and QWERTY style membrane keyboards used in Honeywell console furniture.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat communication protocol does the board use?\u003c\/strong\u003e\u003cbr\u003eThe board communicates through an RS-485 serial interface and supports the Modbus RTU protocol.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the module suitable for system upgrades?\u003c\/strong\u003e\u003cbr\u003eYes. The board is often installed when maintaining or upgrading legacy Honeywell operator consoles to ensure compatibility with newer CE-compliant I\/O hardware.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":43852615581784,"sku":"51401952-200","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/51401952-2002.jpg?v=1773300226","url":"https:\/\/www.industriaxplc.com\/products\/honeywell-51401952-200-keyboard-interface-pcb","provider":"IndustriaX Limited","version":"1.0","type":"link"}