{"product_id":"ge-a20b-2900-0930-01a-circuit-board-assembly","title":"GE A20B-2900-0930\/01A Circuit Board Assembly","description":"\u003cp\u003eThe \u003cstrong\u003eGE A20B-2900-0930\/01A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eA20B-2900-0930\/01A\u003c\/strong\u003e Circuit Board, serves as the primary \u003cstrong\u003eA20B-2900-0930\/01A\u003c\/strong\u003e Circuit Board Assembly utilized to execute real-time signal processing and axis communication management across CNC system platforms. It routes high-speed data flow between the central controller and servo drive electronics using 2 x 50-pin ribbon cable interfaces. Operating on a 5 VDC +\/-5% logic supply, the 4-layer PCB incorporates optocoupler galvanic isolation to decouple digital switching lines from power bus noise.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe board part number indexes specific physical hardware revision and functional component configurations within the GE Fanuc controller family:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA20B\u003c\/strong\u003e: Dedicated printed circuit board (PCB) hardware assembly classification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2900\u003c\/strong\u003e: Main system architecture and card family series index.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0930\u003c\/strong\u003e: Discrete circuit designator for real-time CNC signal processing logic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\/01A\u003c\/strong\u003e: Sub-revision level and board layout modification revision code.\u003c\/li\u003e\n\u003c\/ul\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\u003eA20B-2900-0930\/01A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGeneral Electric\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\u003e0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e220 x 160 mm (Thickness: 1.6 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified (5 VDC +\/-5% logic supply)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Construction\u003c\/td\u003e\n\u003ctd\u003e4-layer PCB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComponent Count\u003c\/td\u003e\n\u003ctd\u003e124 discrete components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOnboard Microcontroller\u003c\/td\u003e\n\u003ctd\u003e16-bit processing unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e6 optocouplers for digital signal separation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnergy Storage\u003c\/td\u003e\n\u003ctd\u003e1,200 uF across 6 electrolytic capacitors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Interface\u003c\/td\u003e\n\u003ctd\u003e2 x 50-pin ribbon connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Interface \u0026amp; Firmware Execution\u003c\/h3\u003e\n\u003cp\u003eThe board features backplane bus communication velocity support for deterministic 16-bit microcontroller signal execution between main processing units and downstream servo amplifiers. Logic channels pass through onboard optocouplers to suppress line noise during multi-axis coordinate calculations. Energy stabilization circuits utilizing 1,200 uF total capacitance maintain rail voltage stability across the 5 VDC power bus, preventing firmware fault conditions during high-density I\/O switching cycles.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What power rail tolerances are required for logic operation on the A20B-2900-0930\/01A?\u003c\/p\u003e\n\u003cp\u003eA: Onboard digital logic circuitry strictly requires a regulated supply voltage of 5 VDC with a tolerance band within +\/-5 percent.\u003c\/p\u003e\n\u003cp\u003eQ: How are noise spikes prevented from feeding back into the 16-bit processing zone?\u003c\/p\u003e\n\u003cp\u003eA: Signal lines pass through an onboard optical isolation zone containing six optocouplers that electrically separate high-frequency digital command signals from noisy external power lines.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eRemove main power from the controller cabinet and discharge all servo amplifier DC bus capacitors before handling the circuit board.\u003c\/li\u003e\n\u003cli\u003eWear a grounded wrist strap attached to chassis earth ground to prevent electrostatic discharge (ESD) damage to sensitive onboard CMOS components.\u003c\/li\u003e\n\u003cli\u003eAlign board edge guides carefully before seating, ensuring both 50-pin ribbon cables are fully engaged and locked by retaining latches.\u003c\/li\u003e\n\u003cli\u003eVerify that ground straps and cabinet mounting screws are torqued down to maintain proper chassis shield continuity.\u003c\/li\u003e\n\u003cli\u003eInspect ribbon cable routing to confirm high-density signal lines do not run parallel to high-voltage AC input lines.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"GE","offers":[{"title":"Default Title","offer_id":48395055267955,"sku":"A20B-2900-0930\/01A","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/GEA20B-2901-0660_Cocoai.jpg?v=1790062155","url":"https:\/\/www.dcssupplier.com\/ar\/products\/ge-a20b-2900-0930-01a-circuit-board-assembly","provider":"DcsSupplier Limited","version":"1.0","type":"link"}