{"product_id":"yokogawa-aed5d-00-digital-terminal-board","title":"Yokogawa AED5D-00 Digital Terminal Board","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa AED5D-00\u003c\/strong\u003e, also cataloged within the \u003cstrong\u003eAED5D\u003c\/strong\u003e series instrumentation family, operates as a dedicated hardware component for high-density discrete signal distribution and interface management within distributed control system networks.\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\u003eAED5D-00\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\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e1.5 kg (3.31 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e2.5 kg (5.51 lbs) nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard rack-mount or panel-surface terminal board layout\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 (cabinet environment limits)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e32-channel structural digital density\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy Profiles\u003c\/td\u003e\n\u003ctd\u003eSupports both single-module configurations and dual-redundant I\/O card topologies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuffix Code Matrix\u003c\/td\u003e\n\u003ctd\u003e-00 (First 0 = Always 0; Second 0 = Basic type layout)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Type\u003c\/td\u003e\n\u003ctd\u003eMulti-point terminal block junctions to high-density I\/O cables\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Process Control and Networks\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA HART Loop Protocol Integration:\u003c\/strong\u003e While primarily engineered for discrete I\/O distribution paths, this interface board maintains parallel trace filtering characteristics that shield the digital status lines from inductive noise. This traces arrangement layout prevents transient cross-talk from leaking into neighboring 4-20 mA HART loops running through the same cabinet trunking, preserving overall analog loop telemetry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-Channel Isolation Protection:\u003c\/strong\u003e The terminal board layout works in tandem with downstream I\/O modules to preserve strict galvanic channel-to-channel isolation parameters. Physical trace separation paths across all 32 channels eliminate field ground loops and prevent high-voltage inductive surges or localized field faults from damaging adjacent control circuits or the central processing backplane logic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold Junction Compensation Coordination:\u003c\/strong\u003e When deploying this interface frame in auxiliary sub-panels adjacent to multi-conductor temperature-sensing nodes, the layout structural geometry keeps digital contact signals physically isolated from sensitive cold junction compensation (CJC) reference traces, ensuring zero digital switching noise disrupts thermocouple millivolt calculations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the AED5D-00 support dual-redundant digital I\/O card configurations across its 32 channels?\u003c\/p\u003e\n\u003cp\u003eA: The printed circuit assembly features dual independent cable plug interfaces linked to split internal parallel trace networks. This layout allows a single field contact terminal point to feed two separate, matching digital I\/O modules simultaneously. If the active primary module encounters a hardware exception, the system hot-swaps logic monitoring to the secondary module without causing physical contact bounce or data loss.\u003c\/p\u003e\n\u003cp\u003eQ: What are the engineering consequences to the basic type \"0\" board if an unsuppressed inductive DC load is tied directly to an output channel?\u003c\/p\u003e\n\u003cp\u003eA: Switching unsuppressed inductive field loads (such as heavy solenoid valves or interposing relay coils) generates a severe high-voltage counter-electromotive force (flyback voltage) upon contact opening. Because the basic type board lacks integrated surge absorbers, this energy propagates directly back up the cable, threatening to puncture the solid-state switching components of the attached I\/O module. External freewheeling diodes must be installed directly across the field load terminals.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":47616608960702,"sku":"AED5D-00","price":3000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-06-09_17-18-38_ed6fc6e4-39de-4fd6-b8e0-d9d5acce13da.png?v=1780998243","url":"https:\/\/www.autooiltech.com\/products\/yokogawa-aed5d-00-digital-terminal-board","provider":"AutoOilTech Limited","version":"1.0","type":"link"}