{"product_id":"honeywell-r7861a1026-dynamic-self-check-flame-signal-amplifier","title":"Honeywell R7861A1026 Dynamic Self-Check Flame Signal Amplifier","description":"\u003cp\u003eConfigured for continuous UV flame sensing validation in 7800 Series Safeguard Controls, the \u003cstrong\u003eHoneywell R7861A1026\u003c\/strong\u003e (\u003cstrong\u003eR7861A\u003c\/strong\u003e Flame Signal Amplifier) provides direct physical\/electrical execution of dynamic self-check safety monitoring.\u003c\/p\u003e\n\u003ch3\u003eOrder Code Matrix \u0026amp; Physical Variant\u003c\/h3\u003e\n\u003cp\u003eThe R7861A1026 belongs to the R7861A dynamic self-check amplifier series. It installs directly into the card guide assembly of a 7800 Series Relay Module via printed circuit board edge connectors. The unit interfaces with C7061A or C7061F dynamic self-check ultraviolet flame detectors, driving the shutter mechanism while reading flame signal voltage.\u003c\/p\u003e\n\u003ch3\u003eTechnical Performance Parameters\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\u003eR7861A1026\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\u003e0.11 kg (0.25 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e12.7 cm L x 10.2 cm W x 3.8 cm H\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\u003e0.5 W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlame Failure Response Time\u003c\/td\u003e\n\u003ctd\u003e2.0 seconds or 3.0 seconds (module dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eHoneywell 7800 Series Relay Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetector Compatibility\u003c\/td\u003e\n\u003ctd\u003eC7061A, C7061F Dynamic Self-Check UV Detectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlame Signal Voltage Range\u003c\/td\u003e\n\u003ctd\u003e0.0 VDC to 5.0 VDC (1.25 VDC to 5.0 VDC nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Safeguard \u0026amp; Signal Isolation Integrity\u003c\/h3\u003e\n\u003cp\u003eOperating on Honeywell 7800 Series burner management systems, the module interfaces directly with a 4-20 mA HART loop protocol environment through system supervisory cards. It drives the shutter circuit of dynamic self-checking UV scanners 12 times per minute to continuously verify sensing tube response, providing channel-to-channel isolation that prevents false flame indication during electronic component failures.\u003c\/p\u003e\n\u003ch3\u003eScope of Delivery\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Honeywell R7861A1026 Dynamic Self-Check Flame Signal Amplifier Module\u003c\/li\u003e\n\u003cli\u003e1 x Product Instruction Sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWiring \u0026amp; Mounting Procedures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Interruption:\u003c\/strong\u003e Disconnect power supply before installing or removing the amplifier to prevent electrical shock or control unit damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrientation \u0026amp; Insertion:\u003c\/strong\u003e Align the circuit board edges with the guide slots inside the 7800 Series relay module and push firmly until the edge connector seats completely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeadwire Routing:\u003c\/strong\u003e Run detector wiring in dedicated grounded metal conduit. Never run flame signal leadwires in the same conduit with high-voltage ignition cables.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding Rules:\u003c\/strong\u003e Ensure proper grounding of scanner shield lines at the control enclosure end only to avoid ground loop noise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What flame detectors are compatible with the R7861A1026 amplifier?\u003c\/p\u003e\n\u003cp\u003eA: The R7861A1026 is specifically designed to operate with Honeywell C7061A and C7061F dynamic self-check ultraviolet flame detectors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: Can the R7861A1026 be inserted or removed while the system is powered?\u003c\/p\u003e\n\u003cp\u003eA: No. Power must be completely disconnected from the 7800 Series relay module subbase prior to plugging in or extracting the amplifier card.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: How is the flame signal voltage measured on this unit?\u003c\/p\u003e\n\u003cp\u003eA: Flame signal voltage ranges from 0.0 to 5.0 VDC and can be measured using a high-impedance DC voltmeter across the test jacks on the 7800 Series module front panel.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What is the typical flame failure response time for this module?\u003c\/p\u003e\n\u003cp\u003eA: The flame failure response time (FFRT) is 2.0 or 3.0 seconds, dictated by the specific 7800 Series relay module model selected.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: How does the dynamic self-check function operate?\u003c\/p\u003e\n\u003cp\u003eA: The amplifier cycles an oscillating shutter inside the C7061 scanner 12 times per minute to simulate flame loss and test tube response continuously.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What causes the flame signal to fluctuate on the meter test jacks?\u003c\/p\u003e\n\u003cp\u003eA: Slight signal fluctuation occurs normally due to the periodic shutter interruption during dynamic self-check operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What is the operating temperature envelope for field enclosures?\u003c\/p\u003e\n\u003cp\u003eA: Ambient operating temperatures outside the module housing must remain between -40 deg C and 60 deg C (-40 deg F and 140 deg F).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: Are special cables required between the detector and amplifier?\u003c\/p\u003e\n\u003cp\u003eA: Standard NEC Class 1 color-coded leadwires rated for operating temperature are used inside dedicated grounded metal conduit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":68121925353645,"sku":"R7861A1026","price":9999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/r7861a1026-1.jpg?v=1794191552","url":"https:\/\/www.maxwellplc.com\/ga\/products\/honeywell-r7861a1026-dynamic-self-check-flame-signal-amplifier","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}