{"product_id":"chbx01l-2vaa008574r1-abb-compact-bus-extender","title":"CHBX01L 2VAA008574R1 ABB Compact Bus Extender","description":"\u003cp\u003eThe \u003cstrong\u003eABB CHBX01L 2VAA008574R1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eCHBX01L\u003c\/strong\u003e Compact Bus Extender, operates as a dedicated hardware component for horizontal bus extension and auxiliary power distribution within HN800 control system racks. Installed on the left side of an HN800 module row, the unit provides continuous pin connections to expand backplane bus signals and deliver 24 VDC module power across adjacent subrack assemblies.\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\u003eCHBX01L (2VAA008574R1)\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\u003eLithuania\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.094 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e30 mm (W) x 127 mm (H) x 48 mm (D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive bus extension (no direct power draw)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary Power Interface\u003c\/td\u003e\n\u003ctd\u003e24 VDC Module Power Distribution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Orientation\u003c\/td\u003e\n\u003ctd\u003eHorizontal row, left-side bus interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eABB System 800xA \/ HN800 I\/O bus\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 System Signal Integrity\u003c\/h3\u003e\n\u003cp\u003eThe CHBX01L bus extender preserves backplane bus communication velocity across segmented HN800 module bays. By extending high-speed serial clock and data channels without introducing signal reflections, the assembly maintains real-time I\/O scan timing across horizontal rack extensions.\u003c\/p\u003e\n\u003cp\u003eDesigned as a passive physical transition module, the hardware retains complete firmware flash compatibility across all connected controller and I\/O interface units. Built-in power tracks route 24 VDC module power across the row, reducing potential voltage drops across high-density I\/O configurations.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the CHBX01L bus extender require software driver installation or firmware flashing?\u003c\/p\u003e\n\u003cp\u003eA: No, the CHBX01L functions as a passive physical backplane extension and does not contain programmable firmware or software logic.\u003c\/p\u003e\n\u003cp\u003eQ: On which side of the HN800 module row must the CHBX01L be mounted?\u003c\/p\u003e\n\u003cp\u003eA: The CHBX01L is mechanically and electrically configured specifically for installation on the left end of an HN800 horizontal module row.\u003c\/p\u003e\n\u003cp\u003eQ: What precautions should be taken regarding the 24 VDC module power supply connected via the extender?\u003c\/p\u003e\n\u003cp\u003eA: The 24 VDC supply lines must be de-energized prior to attaching or detaching the extender to prevent localized arcing across backplane terminal pins.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsolate all 24 VDC power sources and field supplies connected to the HN800 row prior to physical installation.\u003c\/li\u003e\n\u003cli\u003eWear a grounded wrist strap to prevent electrostatic discharge while handling the exposed bus connectors.\u003c\/li\u003e\n\u003cli\u003eMount the CHBX01L extender on the far left side of the designated HN800 DIN-rail or baseplate assembly.\u003c\/li\u003e\n\u003cli\u003eAlign backplane interconnect pins precisely with the adjacent terminal block before pressing the unit into locked position.\u003c\/li\u003e\n\u003cli\u003eVerify that retention clips or locking screws are fully engaged to withstand industrial cabinet mechanical vibration.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":53265314709813,"sku":"CHBX01L 2VAA008574R1","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/CHBX01L2VAA008574R1.png?v=1786352793","url":"https:\/\/www.5gplc.com\/products\/chbx01l-2vaa008574r1-abb-compact-bus-extender","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}