{"product_id":"abb-hedt-300843-r1-ed-1705a-pcb-card","title":"ABB HEDT 300843 R1 ED 1705a PCB Card","description":"\u003cp\u003eConfigured for high-speed signal conditioning and internal control processing in ABB subrack architectures, the \u003cstrong\u003eABB HEDT 300843 R1 ED 1705a\u003c\/strong\u003e (\u003cstrong\u003eHEDT 300843R1\u003c\/strong\u003e) PCB Card provides direct physical\/electrical execution. The printed circuit board assembly routes local control signals across standard subrack backplanes, executing real-time logic routines while maintaining stable electrical isolation across low-voltage processing circuits.\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\u003eHEDT 300843 R1 ED 1705a\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBoard-level power via backplane rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Type\u003c\/td\u003e\n\u003ctd\u003ePrinted Circuit Board \/ Control Card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRevision\u003c\/td\u003e\n\u003ctd\u003eED 1705a\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eRack\/Subrack card guide installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network Backplane and Subrack Processing\u003c\/h3\u003e\n\u003cp\u003eThe HEDT 300843 R1 ED 1705a card interfaces directly with internal bus structures to execute deterministic real-time tasks within ABB controller assemblies. Backplane bus communication velocity Licences and microsecond-level synchronization ensure rapid diagnostic feedback and signal transfer across system slots.\u003c\/p\u003e\n\u003cp\u003eFirmware flash compatibility and onboard trace shielding protect high-frequency processing channels from electromagnetic interference. Built-in signal buffer stages prevent external loop transients from degrading internal logic states or impacting system backplane communication cycles.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What power source supplies the HEDT 300843R1 PCB card?\u003c\/p\u003e\n\u003cp\u003eA: The card receives its operational DC power directly from the subrack backplane power rails via its multi-pin connector interface.\u003c\/p\u003e\n\u003cp\u003eQ: How is the HEDT 300843 R1 card secured within the subrack chassis?\u003c\/p\u003e\n\u003cp\u003eA: The card slides along standard subrack card guide channels and locks into place using front panel retaining screws and rear backplane pin header assemblies.\u003c\/p\u003e\n\u003cp\u003eQ: What environmental temperature limits apply during active card operation?\u003c\/p\u003e\n\u003cp\u003eA: The board is rated to operate reliably within an ambient temperature window of -10 deg C to +60 deg C.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsolate all AC\/DC power sources to the subrack before inserting or removing the HEDT 300843 R1 card assembly.\u003c\/li\u003e\n\u003cli\u003eWear a grounded anti-static wrist strap throughout handling to prevent electrostatic discharge damage to sensitive integrated circuits.\u003c\/li\u003e\n\u003cli\u003eAlign the board edge carefully with the top and bottom subrack card guides before pushing the module firmly into the rear backplane socket.\u003c\/li\u003e\n\u003cli\u003eTighten all front panel captive retaining screws to establish solid chassis ground continuity and prevent mechanical displacement caused by field vibration.\u003c\/li\u003e\n\u003cli\u003eEnsure adequate passive ventilation flow across the card cage to prevent thermal buildup within the enclosure.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53264885449013,"sku":"ED 1705a HEDT 300843 R1","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/ED1705aHEDT300843R1.png?v=1786344132","url":"https:\/\/www.5gplc.com\/products\/abb-hedt-300843-r1-ed-1705a-pcb-card","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}