{"product_id":"yokogawa-aep7d-25-centum-vp-primary-power-supply-bus-unit","title":"Yokogawa AEP7D-25 CENTUM VP Primary Power Supply Bus Unit","description":"\u003ch2\u003eYokogawa AEP7D-25 CENTUM VP Primary Power Supply Bus Unit\u003c\/h2\u003e\n\u003cp\u003eConfigured for discrete power routing in CENTUM VP \/ CS 3000 FIO System platforms, the \u003cstrong\u003eYokogawa AEP7D-25\u003c\/strong\u003e (\u003cstrong\u003eAEP7D\u003c\/strong\u003e Primary Power Supply Bus Unit) provides direct physical\/electrical execution. The hardware operates as a centralized distribution rail assembly, processing raw input electricity to feed secondary logic and I\/O subassemblies through a dual-input architecture. It functions via segregated power paths designated as lines A and B to maintain complete branch isolation while driving downstream control nodes.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel AEP7D:\u003c\/strong\u003e Primary Power Supply Bus Unit Architecture\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuffix -2:\u003c\/strong\u003e 220 to 240 V AC Power Input Configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuffix -5:\u003c\/strong\u003e Basic Design Type (Standard environmental compliance without explosion-proof rating barriers)\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-25\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\u003ePlatform\u003c\/td\u003e\n\u003ctd\u003eCENTUM VP \/ CS 3000 FIO System\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\u003e1.8 kg (Configuration range: 1.8 to 3.0 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e482.6 x 43.6 x 187 mm (1U Rack-mount footprint)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive power distribution matrix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Option\u003c\/td\u003e\n\u003ctd\u003e220 to 240 V AC (Wide-range support: 100 to 240 V AC, 50\/60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Input Current (Unit)\u003c\/td\u003e\n\u003ctd\u003e20 A (AC aggregate rating)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Input Current (per port)\u003c\/td\u003e\n\u003ctd\u003e6 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutputs\u003c\/td\u003e\n\u003ctd\u003e7 outputs per input line (A and B); 14 total outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltages Distributed\u003c\/td\u003e\n\u003ctd\u003e5 V DC logic rails \/ 24 V DC I\/O loops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRipple \u0026amp; Noise\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 40 mVp-p\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\/Withstanding Voltage\u003c\/td\u003e\n\u003ctd\u003e1500 V AC for 1 minute between terminal banks and frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Mechanisms\u003c\/td\u003e\n\u003ctd\u003eOvercurrent and short-circuit with automatic cut-off and recovery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling Profile\u003c\/td\u003e\n\u003ctd\u003eNatural convection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Humidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Loops and DCS Instrument Integration\u003c\/h3\u003e\n\u003cp\u003eThe module manages distributed power rails intended for devices functioning on the 4-20 mA HART loop protocol, ensuring consistent source potential across multi-channel analog networks. By utilizing internal copper partitioning, the layout implements strict channel-to-channel isolation parameters to block transient line spikes from crossing over into parallel logic banks. This architecture stabilizes the continuous references required by analog input processing blocks and adjacent cold junction compensation units, suppressing power-frequency interference across the DCS environment.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What occurs during an overcurrent event on an individual output port?\u003c\/p\u003e\n\u003cp\u003eA: The internal protection network executes an automatic cut-off of the overloaded branch circuit. Once the fault condition is cleared and the junction temperature stabilizes, the hardware initiates automatic recovery to restore current flow.\u003c\/p\u003e\n\u003cp\u003eQ: Can line A and line B inputs be operated in a parallel configuration?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The hardware supports a dual-input parallel setup, allowing the full deployment of all 14 output ports under a single unified power bus architecture.\u003c\/p\u003e\n\u003cp\u003eQ: Is this specific variant rated for installation within explosive hazardous areas?\u003c\/p\u003e\n\u003cp\u003eA: No. The AEP7D-25 utilizes the suffix -5 basic design profile, meaning it lacks intrinsic safety barriers or explosion protection certifications and must be placed within non-hazardous control room environments.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabinet Mechanical Mounting:\u003c\/strong\u003e Mount the unit inside the 19-inch DCS rack frame using M5 pan-head screws, maintaining proper alignment to eliminate chassis strain on internal bus connectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabinet Earthing Protocol:\u003c\/strong\u003e Terminate a low-impedance ground conductor directly from the dedicated chassis ground lug to the primary instrumentation earth busbar of the cabinet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Routing Barriers:\u003c\/strong\u003e Maintain physical separation between incoming 220-240 V AC lines and low-voltage DC signal cables to inhibit electromagnetic cross-induction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Management Clearances:\u003c\/strong\u003e Ensure unhindered vertical path spacing above and below the module to permit natural convection airflow through the rack housing.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43683677634650,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/622..jpg?v=1784596331","url":"https:\/\/www.spareoil.com\/products\/yokogawa-aep7d-25-centum-vp-primary-power-supply-bus-unit","provider":"SpareOil Automation","version":"1.0","type":"link"}