{"product_id":"honeywell-r7849a1023-ultraviolet-flame-amplifier","title":"Honeywell R7849A1023 Ultraviolet Flame Amplifier","description":"\u003cdiv class=\"qk-md-paragraph qk-md-has-multi-modal\"\u003e\n\u003cp\u003ehe \u003cstrong\u003eHoneywell R7849A1023\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eR7849A1023\u003c\/strong\u003e Ultraviolet Flame Amplifier, operates as a dedicated hardware component for ultraviolet flame signal amplification and safety shutdown execution within 7800 Series safety relay module platforms.\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\u003eR7849A1023\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\u003eStandard Industrial Automation Specification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 7800 Series plug-in module footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 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 backplane bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eUltraviolet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlame Failure Response Time\u003c\/td\u003e\n\u003ctd\u003e3 sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelf Checking\u003c\/td\u003e\n\u003ctd\u003eNone (standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUse With Primary Safety Control\u003c\/td\u003e\n\u003ctd\u003e7800 SERIES Relay Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUse With Flame Sensor\u003c\/td\u003e\n\u003ctd\u003eGas, Oil: Minipeeper C7027A, C7035A, C7044\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003ePurple\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBurner Control \u0026amp; Channel-to-Channel Signal Isolation\u003c\/h3\u003e\n\u003cp\u003eIn safety instrumented burner management systems, flame amplification modules interface directly with ultraviolet sensors and safety relay modules. The unit incorporates robust channel-to-channel isolation and filtered signal processing circuits to prevent electromagnetic interference and ground loop currents from corrupting the low-level ultraviolet sensor feedback loop. This electrical separation guarantees deterministic flame failure response times and prevents common-mode voltage transients from triggering spurious burner shutdowns.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the R7849A1023 flame amplifier be hot-swapped while the 7800 Series relay module is energized?\u003c\/p\u003e\n\u003cp\u003eA: No, plugging or unplugging the amplifier module while the system is powered can cause internal bus voltage spikes or logic errors on the primary safety control backplane. Power must be isolated prior to module extraction.\u003c\/p\u003e\n\u003cp\u003eQ: What is the operational impact of selecting a non-self-checking ultraviolet amplifier variant?\u003c\/p\u003e\n\u003cp\u003eA: The standard non-self-checking design relies on direct ultraviolet signal rectification without shutter-based optical self-checking, requiring application compliance with local safety codes and periodic manual sensor verification.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Insertion:\u003c\/strong\u003e Align the R7849A1023 plug-in module carefully with the designated card slot on the 7800 Series relay module. Push evenly until the chassis seats firmly into the backplane connectors without applying excessive mechanical force.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Wiring \u0026amp; Shielding:\u003c\/strong\u003e Connect compatible Minipeeper sensors (C7027A, C7035A, C7044) using shielded coaxial or twisted-pair wiring. Ground the cable shield exclusively at the control cabinet earth termination point to protect against electrical noise pickup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerification Checks:\u003c\/strong\u003e Verify that the ultraviolet sensor optical path is clean and aligned correctly with the burner flame envelope. Confirm that flame signal voltage levels meet manufacturer thresholds during initial burner light-off.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52597054570776,"sku":"R7849A1023","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/R7849A1023.png?v=1788250115","url":"https:\/\/www.innoplcsync.com\/products\/honeywell-r7849a1023-ultraviolet-flame-amplifier","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}