{"product_id":"honeywell-rm7830a1011-burner-control-relay-modules","title":"Honeywell RM7830A1011 Burner Control Relay Modules","description":"\u003cp\u003eConfigured for automatic burner sequencing and flame safety monitoring in industrial fuel-burning systems, the \u003cstrong\u003eHoneywell RM7830A1011\u003c\/strong\u003e (\u003cstrong\u003eRM7830A\u003c\/strong\u003e Relay Module) provides direct physical\/electrical execution. It establishes solid-state timing, pilot\/main valve firing sequences, pre-ignition checks, and lockout interlocks supervision. The module incorporates direct terminal outputs for a dedicated 15-second post-purge cycle and operates on standard line voltage inputs.\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\u003eRM7830A1011\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\u003e2.00 lbs (0.91 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 7800 Series 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 (-40 deg F to +140 deg F)\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\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e120 V, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePost Purge Duration\u003c\/td\u003e\n\u003ctd\u003e15 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Interface Support\u003c\/td\u003e\n\u003ctd\u003eKeyboard Display Module Supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Features\u003c\/td\u003e\n\u003ctd\u003ePre-Ignition Check \u0026amp; Lockout Interlocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003ePlug-in module on 7800 Series wiring subbase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol \u0026amp; Dynamic Signal Isolation\u003c\/h3\u003e\n\u003cp\u003eThe Honeywell RM7830A relay module interfaces directly with plug-in flame signal amplifiers and system keypad displays across the 7800 Series ecosystem. Dynamic flame sensor signals (rectification, ultraviolet, or infrared) are processed through isolated microcomputer logic. Auxiliary relay outputs and communication paths facilitate integration into external 4-20 mA HART loop protocol adapters and distributed control system (DCS) monitoring networks. Internal channel-to-channel isolation safeguards sensitive low-voltage micro-amp logic circuits against high-voltage ignition line surges and industrial ground loops.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Is the RM7830A1011 relay module approved for live insertion into an energized wiring subbase?\u003c\/p\u003e\n\u003cp\u003eA: No. Operating power must be completely disconnected from the wiring subbase prior to inserting or removing the relay module. Live hot-swapping can trigger pin arcing, damage internal microprocessors, or induce false safety lockouts.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module react if an interlock trip occurs during operation?\u003c\/p\u003e\n\u003cp\u003eA: An open lockout interlock contact instantly interrupts the safety circuit, de-energizing fuel safety shutoff valves and placing the unit into a non-resettable safety lockout state.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the matching 7800 Series wiring subbase vertically inside a grounded metal panel enclosure to shield central logic components.\u003c\/li\u003e\n\u003cli\u003eIsolate high-voltage ignition transformer wires from low-voltage flame sensor lines by routing sensor wiring in separate grounded metallic conduit.\u003c\/li\u003e\n\u003cli\u003eAlign the RM7830A1011 guide pins with the wiring subbase receptacle and press firmly until integral screws lock the module into position.\u003c\/li\u003e\n\u003cli\u003eConnect the main cabinet earth ground bus directly to the wiring subbase ground lug using heavy-gauge copper wire to meet noise immunity standards.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45434987905139,"sku":"RM7830A1011","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/RM7888A1027_3b96b1ab-9e72-49c5-abb2-f33b007dcfdd.png?v=1788319613","url":"https:\/\/www.dcssupplier.com\/ar\/products\/honeywell-rm7830a1011-burner-control-relay-modules","provider":"DcsSupplier Limited","version":"1.0","type":"link"}