{"product_id":"honeywell-05701-a-0302-single-channel-control-card","title":"Honeywell 05701-A-0302 Single Channel Control Card","description":"\u003ch2\u003eHoneywell 05701-A-0302 Single Channel Control Card\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 05701‑A‑0302\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e05701‑A‑0302\u003c\/strong\u003e single‑channel control card, operates as a catalytic measurement and alarm‑processing module within Honeywell fixed‑gas detection and control assemblies. It provides direct electrical execution for sensor excitation, bar‑graph indication, and multi‑level alarm signaling.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e05701‑A‑0302\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eHoneywell industrial gas detection platforms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e0.165 kg (1.5 kg shipping)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e17 cm × 2.5 cm × 11.2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eStandard industrial ambient range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e3.75 W typical (including catalytic sensor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e18 V to 32 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eSingle‑channel catalytic control card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e25‑segment analog bar graph + 4‑character digital display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eAlarm Indicators\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eA1, A2, A3 gas alarms; fault; inhibit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eDesign Notes\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eIndependent channel operation; card replacement without disturbing wiring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel‑to‑Channel Isolation in Honeywell Process‑Control Cards\u003c\/h3\u003e\n\u003cp\u003eHoneywell control cards maintain deterministic separation between measurement, alarm, and fault‑indication circuits. This prevents cross‑talk between catalytic sensor excitation and bar‑graph display drivers, ensuring stable loop behavior. The isolation approach aligns with Honeywell’s broader process‑control design practices, including predictable boundaries used in 4‑20 mA HART loop protocol and Fieldbus\/Profibus gateway modules.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the card be replaced while the system remains energized?\u003c\/strong\u003e A: No. Replacement must be performed during a controlled shutdown to avoid alarm‑loop disturbance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the card support independent operation per channel?\u003c\/strong\u003e A: Yes. Each card handles one catalytic channel and can be replaced without affecting adjacent modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are the alarm indicators driven directly from sensor input?\u003c\/strong\u003e A: Alarm thresholds are processed on the card, with dedicated outputs for A1, A2, A3, fault, and inhibit states.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSeat the card fully into the backplane to ensure stable sensor excitation and alarm signaling.\u003c\/li\u003e\n\u003cli\u003eMaintain correct wiring orientation to avoid mis‑routing of alarm outputs.\u003c\/li\u003e\n\u003cli\u003eKeep sensor cabling segregated from high‑voltage conductors to reduce interference.\u003c\/li\u003e\n\u003cli\u003eVerify bar‑graph and digital display operation after installation.\u003c\/li\u003e\n\u003cli\u003eConfirm alarm thresholds using system‑level calibration routines.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":44539501281379,"sku":"05701-A-0302","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/HONEYWELL05701-A-0361.jpg?v=1776673989","url":"https:\/\/precisemodule.com\/products\/honeywell-05701-a-0302-single-channel-control-card","provider":"Precise Module Ltd.","version":"1.0","type":"link"}