{"product_id":"yokogawa-as-s9981de-01-backplane-board","title":"Yokogawa AS-S9981DE-01 Backplane Board","description":"\u003cp\u003eConfigured for high-density I\/O module interconnectivity in Yokogawa control station subracks, the \u003cstrong\u003eYokogawa AS-S9981DE-01\u003c\/strong\u003e (\u003cstrong\u003eAS-S9981DE\u003c\/strong\u003e Backplane Board) provides direct physical\/electrical execution. It serves as the primary 10-slot backplane bus structure, supplying internal logic power distribution and high-speed data routing between installed controller processors, power supply modules, and field interface cards.\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\u003eAS-S9981DE-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\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\u003e1.59 kg (3.50 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e430 mm x 40 mm x 180 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive backplane bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003e10-Slot Backplane Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlot Capacity\u003c\/td\u003e\n\u003ctd\u003e10 module slots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Architecture\u003c\/td\u003e\n\u003ctd\u003eRedundant system power and communication backplane bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003e19-inch rack \/ panel mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation and DCS Backplane Integrity\u003c\/h3\u003e\n\u003cp\u003eThe AS-S9981DE-01 provides the physical and electrical backbone required to preserve signal integrity across high-density I\/O racks. Multi-layer printed circuit traces maintain distinct isolation zones between high-frequency digital communication buses and internal power distribution planes, preventing cross-talk suppression failures and ground loops. When supporting multi-channel analog cards processing 4-20 mA HART loop protocol signals or thermocouple inputs requiring cold junction compensation (CJC), the backplane trace impedance remains strictly matched across all 10 slots to ensure deterministic logic scanning and noise-free data transport.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can individual I\/O modules installed on the AS-S9981DE-01 be hot-swapped during active system operation?\u003c\/p\u003e\n\u003cp\u003eA: Hot-swapping depends on the specific I\/O module inserted into the slot. The AS-S9981DE-01 backplane connector pin staging supports live insertion and removal, provided the inserted module and control node architecture support online replacement.\u003c\/p\u003e\n\u003cp\u003eQ: How is power redundancy delivered across the AS-S9981DE-01 backplane?\u003c\/p\u003e\n\u003cp\u003eA: The backplane contains dual parallel power rails that accept input from redundant power supply modules, ensuring continuous bus power delivery if a single power supply unit fails.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure all incoming AC\/DC system power feeds to the subrack frame are completely de-energized before mounting the AS-S9981DE-01.\u003c\/li\u003e\n\u003cli\u003eAlign the backplane board within the 19-inch subrack enclosure or mounting panel, using all factory-designated chassis screw points.\u003c\/li\u003e\n\u003cli\u003eFasten mounting screws securely to ensure full frame ground connection across the metal chassis backplate.\u003c\/li\u003e\n\u003cli\u003eInspect multi-pin slot connectors for debris or bent pins prior to inserting controller and I\/O cards.\u003c\/li\u003e\n\u003cli\u003eConnect the main frame functional earth (FE) terminal directly to the cabinet ground bar using a short, heavy-gauge copper strap (minimum 2.0 mm2).\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52702929027352,"sku":"S9981DE-01","price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/S9981DE-011_Cocoai.jpg?v=1789718670","url":"https:\/\/www.innoplcsync.com\/products\/yokogawa-as-s9981de-01-backplane-board","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}