{"product_id":"honeywell-51400989-100-operator-keyboard","title":"Honeywell 51400989-100 Operator Keyboard","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 51400989-100\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51400989-100\u003c\/strong\u003e Operator Keyboard, operates as a dedicated hardware component for tactical operator data entry and process command execution within Honeywell TDC 3000 console systems. It routes tactile switch closures directly to host operator station electronics to execute real-time control actions.\u003c\/p\u003e\n\u003ch3\u003eHardware 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\u003eModel\u003c\/td\u003e\n\u003ctd\u003e51400989-100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e19.00 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Console Bay Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eLogic Level Backplane Power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eOperator Keyboards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Type\u003c\/td\u003e\n\u003ctd\u003eDedicated Console Serial Bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Form\u003c\/td\u003e\n\u003ctd\u003eOperator Station Console Cutout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel Isolation and HART Loop Protocol Integration\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 51400989-100\u003c\/strong\u003e console keyboard connects to central node processors via dedicated serial signal channels engineered to resist electromagnetic transients. While field I\/O racks scan analog values from 4-20 mA HART loop protocol instruments across process units, the keyboard interface isolates operator input circuits to maintain consistent command execution speed and prevent ground loop interference across the distributed control network.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 51400989-100 operator keyboard require an independent external power supply?\u003c\/p\u003e\n\u003cp\u003eA: No, operating power is delivered through the primary interface cable connected directly to the operator station console interface card.\u003c\/p\u003e\n\u003cp\u003eQ: What mounting configuration is required for physical installation?\u003c\/p\u003e\n\u003cp\u003eA: The keyboard assembly mounts into the designated operator station console cutout using integrated chassis retention hardware.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure power to the operator station console section is turned off before connecting or disconnecting the keyboard cable.\u003c\/li\u003e\n\u003cli\u003ePosition the keyboard chassis into the console cutout and verify proper alignment of the mounting flanges.\u003c\/li\u003e\n\u003cli\u003eTighten all retention screws securely to maintain mechanical stability and proper chassis grounding.\u003c\/li\u003e\n\u003cli\u003eConnect the signal ribbon or serial interface cable, ensuring latches engage fully to prevent loose pin contacts.\u003c\/li\u003e\n\u003cli\u003eKeep cable runs routed clear of high-voltage AC conduits within the console bay to prevent signal distortion.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53192133247285,"sku":"51400989-100","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/16726241TP-OPADP1-200_874d517c-e1aa-490a-95c5-5a4eadd2d9ad.png?v=1784625125","url":"https:\/\/www.5gplc.com\/products\/honeywell-51400989-100-operator-keyboard","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}