{"product_id":"aep7d-21-yokogawa-primary-power-supply-bus-unit","title":"AEP7D-21 Yokogawa Primary Power Supply Bus Unit","description":"\u003cp\u003eConfigured for infrastructure electrical distribution in Yokogawa DCS architectures, the \u003cstrong\u003eYokogawa AEP7D-21\u003c\/strong\u003e (\u003cstrong\u003eAEP7D\u003c\/strong\u003e Primary Power Supply Bus Unit) provides direct physical\/electrical execution. The hardware accepts high-voltage nominal alternating current sources to establish and partition stabilized primary power rails across internal system backplane components.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e-2\u003c\/strong\u003e: Configured for 220 to 240 V AC nominal input voltage range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\u003c\/strong\u003e: Standard design modification or revision sequence designation.\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\u003eAEP7D-21\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\u003e5 kg (Shipping weight)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Yokogawa system rack chassis dimensions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard industrial operating limits (refer to system enclosure manuals)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eInput line source dependent based on downstream subsystem loading\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e220 to 240 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstanding Voltage\u003c\/td\u003e\n\u003ctd\u003e1500 V AC between input terminal and system ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePrimary Power Supply Bus Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe power distribution unit topology enforces independent electrical separation barriers across internal supply tracks to achieve robust channel-to-channel isolation metrics. By segregating the incoming 220 to 240 V AC incoming feeds through inductive filtering networks and precise dielectric gaps rated for 1500 V AC withstand thresholds, the module prevents line transients or localized load shorts from propagating cross-talk interference to adjacent supply branches. This isolation safeguards parallel DCS controller racks against widespread power bus collapse.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the technical function of the 1500 V AC withstanding voltage parameter?\u003c\/p\u003e\n\u003cp\u003eA: This parameter defines the maximum dielectric test limit. The internal isolation barriers are designed to prevent dangerous high-voltage electrical breakdown from the 220-240 V AC supply terminals into the low-voltage DC system logic circuits for a duration of one minute.\u003c\/p\u003e\n\u003cp\u003eQ: Can the unit be hot-swapped while the primary power supply bus is energized?\u003c\/p\u003e\n\u003cp\u003eA: No, hot-swapping a primary distribution bus unit under active electrical load is prohibited. The upstream AC line breakers must be isolated and locked out before extracting the unit to avoid high-energy arcing across the backplane terminal connectors.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Mounting and Grounding\u003c\/strong\u003e: Secure the assembly using standard rack-mount screw configurations. The unit chassis terminal must be wired directly to the master cabinet safety copper ground bar using a low-impedance conductor to safely drain transient surge currents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Cabling Infrastructure\u003c\/strong\u003e: Route the 220 to 240 V AC supply conductors through separate physical raceways or wire trays away from low-voltage 4-20 mA HART signal loops to limit electromagnetic noise injection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Monitoring Controls\u003c\/strong\u003e: Due to the 5 kg thermal and physical mass, ensure unrestricted vertical airflow through the cabinet ventilation paths to prevent localized heat accumulation during maximum power distribution cycles.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53124060250421,"sku":"AEP7D-21","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/AEP7D-21.png?v=1783934856","url":"https:\/\/www.5gplc.com\/products\/aep7d-21-yokogawa-primary-power-supply-bus-unit","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}