{"product_id":"ge-fanuc-a20b-8001-0120-02a-interface-board","title":"GE Fanuc A20B-8001-0120\/02A Interface Board","description":"\u003cp\u003eConfigured for discrete signal conditioning and power regulation in GE Fanuc control systems, the \u003cstrong\u003eGE Fanuc A20B-8001-0120\/02A\u003c\/strong\u003e (\u003cstrong\u003eA20B-8001-0120\u003c\/strong\u003e Interface Board) provides direct physical\/electrical execution. It handles 24 TTL input channels and 16 TTL output channels, alongside 8 open-collector outputs rated for 100 mA at 24 VDC, routing field signals directly across internal controller interconnects.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSuffix \/ Matrix Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eTechnical Specification \/ Attribute\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase Part (A20B-8001-0120)\u003c\/td\u003e\n\u003ctd\u003eStandard circuit board architecture and physical I\/O interface layout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware Revision (\/02A)\u003c\/td\u003e\n\u003ctd\u003eDesignated PCB layout revision with integrated onboard voltage regulators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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-8001-0120\/02A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE Fanuc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.28 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e210 mm x 175 mm x 18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VDC at 220 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOnboard Regulators\u003c\/td\u003e\n\u003ctd\u003e3 (24 VDC conversion to 5 VDC, 3.3 VDC, 12 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital I\/O\u003c\/td\u003e\n\u003ctd\u003e24 TTL inputs, 16 TTL outputs, 8 Open-collector outputs (100 mA at 24 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectors\u003c\/td\u003e\n\u003ctd\u003e3 x 34-pin ribbon (I\/O), 1 x 10-pin header (Power), 2 x 6-pin header (Auxiliary)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Interfaces\u003c\/td\u003e\n\u003ctd\u003e24 Input status LEDs, 16 Output status LEDs, 10 Test points, 4-pin Logic analyzer header\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity and Power Distribution\u003c\/h3\u003e\n\u003cp\u003eThe A20B-8001-0120\/02A module converts a single 24 VDC input feed into regulated 5 VDC, 3.3 VDC, and 12 VDC rails via three onboard regulators, supplying localized power to logic components without loading external supply buses. Integrated filter capacitors (four 100 uF and six 47 uF) hold approximately 0.11 Joules of stored energy to smooth voltage ripple across high-velocity logic switching transitions. High-density component layout and firmware flash compatibility maintain backplane bus communication velocity while thermal shutdown and overcurrent protection circuits safeguard logic states against field wiring faults.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the A20B-8001-0120\/02A board be installed or removed while the main system power is active?\u003c\/p\u003e\n\u003cp\u003eA: No, hot-swapping is not permitted. System power must be completely turned off before disconnecting power headers or ribbon cables to avoid transient voltage damage to logic circuits.\u003c\/p\u003e\n\u003cp\u003eQ: What protection mechanisms are integrated into the onboard voltage regulator circuits?\u003c\/p\u003e\n\u003cp\u003eA: The onboard regulators include built-in overcurrent protection and thermal shutdown features that automatically isolate secondary voltage rails if excessive current draw or over-temperature conditions occur.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eTurn off main system power and verify zero voltage across the incoming 24 VDC supply cable using a calibrated digital multimeter before installation.\u003c\/li\u003e\n\u003cli\u003ePut on an anti-static wrist strap connected to cabinet earth ground to prevent electrostatic discharge damage to delicate surface-mount TTL logic components.\u003c\/li\u003e\n\u003cli\u003eSecure the PCB onto cabinet mounting standoffs, ensuring all mechanical fasteners are properly tightened to establish a solid frame ground connection.\u003c\/li\u003e\n\u003cli\u003eConnect the 10-pin main power header and the three 34-pin ribbon cables, verifying connector alignment and locking tab engagement.\u003c\/li\u003e\n\u003cli\u003eApply 24 VDC system power and observe the 24 input and 16 output LED status indicators to verify normal channel state transitions under operational conditions.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"GE","offers":[{"title":"Default Title","offer_id":45438291705971,"sku":"A20B-8001-0120\/02A","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/GEA20B-8001-0120.png?v=1788420815","url":"https:\/\/www.dcssupplier.com\/ar\/products\/ge-fanuc-a20b-8001-0120-02a-interface-board","provider":"DcsSupplier Limited","version":"1.0","type":"link"}