{"product_id":"honeywell-s7800a1001-keyboard-display-module","title":"Honeywell S7800A1001 Keyboard Display Module","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell S7800A1001\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eS7800A1001\u003c\/strong\u003e Keyboard Display Module, operates as a dedicated hardware component for local status readout and operator parameter entry within 7800 SERIES burner control systems. The unit mounts directly to 7800 SERIES Relay Modules to render sequence status, flame signal voltage, diagnostic fault codes, and historical lockout data.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eS7800A1001\u003c\/strong\u003e: Initial base release featuring a 40-character English language display interface. (Discontinued by manufacturer, superseded by \u003cstrong\u003eS7800A2142\u003c\/strong\u003e).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS7800A2142\u003c\/strong\u003e: Direct functional replacement maintaining standard backplane mechanical footprint and signal bus compatibility.\u003c\/li\u003e\n\u003c\/ul\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\u003eS7800A1001\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\u003e0.30 lbs (0.14 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 7800 SERIES module footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e7 W \/ 2 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e13 VDC MAX (Peak Full Wave Rectified)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Characters\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Language\u003c\/td\u003e\n\u003ctd\u003eEnglish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and DCS Interface Features\u003c\/h3\u003e\n\u003cp\u003eThe module relies on channel-to-channel isolation and internal signal conditioning to process micro-ampere level flame voltage metrics without signal loading. Communication across the 7800 SERIES control loop uses a dedicated serial ControlBus connection, enabling reliable data transfer of sequence state machines, fault logging metrics, and burner status to supervisory DCS and PLC networks without degrading safety execution integrity.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Is the S7800A1001 directly swappable with the replacement S7800A2142 module?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the S7800A2142 serves as the direct form-fit-function replacement for the discontinued S7800A1001, mounting to the same relay module interface header.\u003c\/p\u003e\n\u003cp\u003eQ: Can the S7800A1001 be hot-swapped during active burner operation?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the keyboard display module can be plugged into or removed from an energized 7800 SERIES Relay Module without disrupting the safety control sequence.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eInspect the card-edge interface pins on the rear of the S7800A1001 for bent terminals or contamination prior to mounting.\u003c\/li\u003e\n\u003cli\u003eAlign the module housing parallel to the front slot of the 7800 SERIES Relay Module.\u003c\/li\u003e\n\u003cli\u003ePush firmly until the side retention latches click into place, ensuring complete electrical contact across the terminal bus.\u003c\/li\u003e\n\u003cli\u003eMaintain signal wire separation of at least 150 mm between local communication wiring and high-voltage ignition cables to prevent inductive noise coupling.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45396603437171,"sku":"S7800A1001","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/S7800A1001_2_04d55e7d-c847-4183-8263-cf9596dc800e.png?v=1787624024","url":"https:\/\/www.dcssupplier.com\/products\/honeywell-s7800a1001-keyboard-display-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}