{"product_id":"51202902-400-honeywell-controller-memory-backup-device","title":"51202902-400 | Honeywell | Controller Memory Backup Device","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 51202902-400\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51202902\u003c\/strong\u003e Controller Memory Backup Device, operates as a dedicated hardware component for memory preservation within Honeywell C300 platforms. Configured for safeguarding internal configuration and program data in Honeywell C300 controllers, the hardware establishes a localized secondary power routing path via a plug-and-play USB connection to counteract active power outages or system malfunctions.\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\u003e51202902-400\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\u003e1.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e2.95 x 1.77 x 0.47 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eHost node dependency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Connector\u003c\/td\u003e\n\u003ctd\u003eUSB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eHoneywell C300 controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHoneywell DCS Channel-to-Channel Isolation Parameters\u003c\/h3\u003e\n\u003cp\u003eThe hardware configuration utilizes integrated physical insulation layers to coordinate with the channel-to-channel isolation requirements of the connected distributed control system matrix. This mechanical and electrical separation prevents transient ground loop voltages or common-mode electrical noise originating on adjacent controller backplanes from transferring through the USB interface, eliminating data corruption risks during memory read\/write backup execution.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can this memory backup device be hot-swapped while the target Honeywell C300 controller is online?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module uses a passive plug-and-play USB interface design that permits physical extraction and insertion under live rack power without introducing faults or halting logic solver execution.\u003c\/p\u003e\n\u003cp\u003eQ: Does the 51202902-400 unit require independent firmware flash programming prior to deployment?\u003c\/p\u003e\n\u003cp\u003eA: No, the assembly operates as a direct hardware energy delivery and routing unit, functioning without an internal micro-kernel or logic application that requires standalone firmware updates.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the compact enclosure shell onto the specified interior terminal layout space, keeping the 2.95 x 1.77 x 0.47 inches chassis clear of primary heat-generating assemblies.\u003c\/li\u003e\n\u003cli\u003eRoute the dedicated USB communication cable inside low-voltage wiring trays, ensuring layout isolation from high-voltage AC cables or switching relays.\u003c\/li\u003e\n\u003cli\u003eFully seat the physical USB interface plug into the designated connection port on the C300 unit, ensuring the retention tabs lock firmly to resist ambient plant vibration.\u003c\/li\u003e\n\u003cli\u003eVerify that the terminal cabinet ground rail is directly linked to the low-impedance master instrumentation earth ground before running final operational testing loops.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53163986747701,"sku":"51202902-400","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/51202902-400.png?v=1784272071","url":"https:\/\/www.5gplc.com\/products\/51202902-400-honeywell-controller-memory-backup-device","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}