{"product_id":"honeywell-s7800a1142-burner-control-display-module","title":"Honeywell S7800A1142 Burner Control Display Module","description":"\u003cp\u003eConfigured for local operator interface and real-time status indication in 7800 SERIES burner control assemblies, the \u003cstrong\u003eHoneywell S7800A1142\u003c\/strong\u003e (\u003cstrong\u003eS7800A-1142\u003c\/strong\u003e Burner Control Display Module) provides direct physical\/electrical execution. It mounts directly onto the front of 7800 SERIES Relay Modules to communicate system status, lockout causes, flame signal strength, and sequence timing via a 2-line by 20-character vacuum fluorescent display (VFD).\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\u003eS7800A1142\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpare Model\u003c\/td\u003e\n\u003ctd\u003eS7800A-1142\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\u003e0.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e12.1 cm x 7.6 cm x 2.5 cm\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\u003ePowered via 7800 SERIES Relay Module connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Type\u003c\/td\u003e\n\u003ctd\u003e2x20 Vacuum Fluorescent Display (VFD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Function\u003c\/td\u003e\n\u003ctd\u003eLocal Status, Diagnostics, and Alarm Indication\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 provides direct serial communication with Honeywell 7800 SERIES control loops. Data integrity across local interfaces relies on continuous optical or galvanic isolation embedded within the primary module backplane. Signal transmission to supervisory systems utilizes ControlBus protocol capabilities, maintaining precise event sequence reporting, diagnostic codes, and flame signal metrics without introducing signal degradation or loop loading issues.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the S7800A1142 module be installed or removed under power (hot-swapped)?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the S7800A1142 module supports hot-swapping directly onto the 7800 SERIES Relay Module standard edge connector without disrupting the primary burner control sequence.\u003c\/p\u003e\n\u003cp\u003eQ: How does the display indicate system fault conditions?\u003c\/p\u003e\n\u003cp\u003eA: During fault conditions, the VFD displays a specific lockout code along with textual diagnostic details indicating the exact sequence segment and cause of the shutdown.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the mounting face of the 7800 SERIES Relay Module is clean and free of debris.\u003c\/li\u003e\n\u003cli\u003eAlign the rear connector pins of the S7800A1142 with the mounting slot on the front of the relay module.\u003c\/li\u003e\n\u003cli\u003ePress firmly until the retaining tabs snap securely into place to prevent accidental vibration loosening.\u003c\/li\u003e\n\u003cli\u003eRoute any optional remote communication cables clear of high-voltage ignition leads to avoid electromagnetic interference.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45396591313011,"sku":"S7800A1142","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/S7800A1001_f2d3a20a-7476-4a6b-9687-54c71ccd8a64.png?v=1787624016","url":"https:\/\/www.dcssupplier.com\/products\/honeywell-s7800a1142-burner-control-display-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}