{"product_id":"honeywell-rm7800e1010-7800-series-relay-module","title":"Honeywell RM7800E1010 7800 Series Relay Module","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell RM7800E1010\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eRM7800E1010\u003c\/strong\u003e Burner Control Units, operates as a dedicated hardware component for automatic burner sequencing and flame safety monitoring within Honeywell 7800 Series platforms. Powered by a 120 VAC 50\/60 Hz supply, it executes pre-ignition purges, manages high and low fire interlock switching, and provides fail-safe lockout responses directly via integrated microprocessor logic.\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\u003eRM7800E1010\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\u003e3.00 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 7800 Series footprint (approx. 5.0 x 5.0 x 2.5 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e10 W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e120 VAC (+10\/-15%), 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctional Interlocks\u003c\/td\u003e\n\u003ctd\u003ePre-Ignition, High Fire, Low Fire, Lockout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Interface\u003c\/td\u003e\n\u003ctd\u003eS7800A Keyboard Display Module (KDM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; Flame Safeguard Execution\u003c\/h3\u003e\n\u003cp\u003eThe relay module coordinates burner ignition sequences using structured channel-to-channel isolation and discrete interlock signal processing. It continuously monitors process inputs, including 4-20 mA HART loop protocol outputs from external process controllers, ensuring rapid electrical isolation and non-volatile safety lockout execution upon loss of flame or interlock trip.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the RM7800E1010 relay module be unplugged from the subbase while line power is active?\u003c\/p\u003e\n\u003cp\u003eA: No. Unplugging or inserting the relay module into the subbase with 120 VAC power applied can induce terminal arcing, corrupt microprocessor logic, or cause unexpected actuator state shifts. Always isolate incoming line power before mounting or removing the module.\u003c\/p\u003e\n\u003cp\u003eQ: What action causes the module to enter a hard safety lockout state?\u003c\/p\u003e\n\u003cp\u003eA: A failure to establish or maintain a flame signal during the ignition or running sequence, or an open limit circuit during purge or high\/low fire verification, forces an immediate lockout state.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Isolation:\u003c\/strong\u003e De-energize all 120 VAC line power feeds to the burner control enclosure prior to wiring or servicing the unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubbase Insertion:\u003c\/strong\u003e Align the rear edge connector pins with the Q7800 wiring subbase socket and press firmly until the module seats flush. Tighten the captive central mounting screw.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding \u0026amp; Shielding:\u003c\/strong\u003e Connect the Q7800 subbase grounding terminal to the main panel protective earth (PE) bus. Ensure flame sensor leads use shielded cabling grounded at a single end to eliminate electromagnetic noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConduit Routing:\u003c\/strong\u003e Route high-voltage ignition transformer leads in separate metallic conduit away from low-voltage sensor cables and the Keyboard Display Module wiring.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45464492179571,"sku":"RM7800E1010","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/RM7840L1075_802ced76-089e-438c-a033-e71bc65960b1.png?v=1788935325","url":"https:\/\/www.dcssupplier.com\/products\/honeywell-rm7800e1010-7800-series-relay-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}