{"product_id":"aep7d-25-yokogawa-centum-vp-primary-power-supply-bus-unit","title":"AEP7D-25 YOKOGAWA CENTUM VP Primary Power Supply Bus Unit","description":"\u003ch2\u003eYOKOGAWA AEP7D-25 Primary Power Supply Bus Unit\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYOKOGAWA AEP7D-25\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAEP7D-25\u003c\/strong\u003e Primary Power Supply Bus Unit, operates as a dedicated hardware component for power distribution within CENTUM VP \/ CS 3000 ESB\/EF bus platforms.\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\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.35 to 0.40 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e130 x 120 x 30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e~600 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Options\u003c\/td\u003e\n\u003ctd\u003e100-120 VAC (AEP7D-25-1), 220-240 VAC (AEP7D-25-2), 24 VDC (AEP7D-25-4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstanding Voltage\u003c\/td\u003e\n\u003ctd\u003e1500 VAC (AC models), 500 VAC (DC model)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Input Current\u003c\/td\u003e\n\u003ctd\u003e20 A (AC models), 30 A (DC model)\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 \u0026amp; Cold Junction Compensation\u003c\/h3\u003e\n\u003cp\u003eThe unit provides galvanic and optical\/electrical isolation to separate internal system logic from field-side disturbances. This isolation architecture prevents ground loop currents from propagating across the backplane bus, preserving signal integrity for analog input loops and cold junction compensation (CJC) reference networks tied to downstream DCS cards. By maintaining strict electrical separation across distribution branches, the system mitigates high-frequency noise interference, ensuring stable power delivery to sensitive process control modules.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the input voltage options for the AEP7D-25 power supply bus unit?\u003c\/p\u003e\n\u003cp\u003eA: The AEP7D-25 supports three distinct factory-configured input options: 100-120 VAC for the AEP7D-25-1 variant, 220-240 VAC for the AEP7D-25-2 variant, and 24 VDC for the AEP7D-25-4 variant.\u003c\/p\u003e\n\u003cp\u003eQ: How does the unit maintain continuous operation during dual supply configurations?\u003c\/p\u003e\n\u003cp\u003eA: The unit incorporates internal dual input terminals that accept dual power feeds to enable redundant supply paths. If one feed drops, the internal bus switching maintains steady voltage delivery to the ESB\/EF system downstream without causing system reset latencies.\u003c\/p\u003e\n\u003cp\u003eQ: What withstanding voltage ratings apply to the different model configurations?\u003c\/p\u003e\n\u003cp\u003eA: AC-powered configurations (AEP7D-25-1 and AEP7D-25-2) feature a dielectric withstanding voltage rating of 1500 VAC. The DC-powered configuration (AEP7D-25-4) features a rated withstanding voltage of 500 VAC.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the unit securely on the standard system baseplate using the keyed alignment slots. Before landing incoming supply cables, verify that the source voltage matches the specific suffix variant (100-120 VAC, 220-240 VAC, or 24 VDC). Maintain strict wire separation between high-voltage power feeds and low-voltage field instrument cables to avoid induced noise coupling.\u003c\/p\u003e\n\u003cp\u003eEnsure the system grounding lug bonds directly to the primary cabinet safety earth bus using low-impedance copper conductors. For maximum heat dissipation, maintain clear airflow paths around the ventilated module housing. Verify that all terminal block screws torque down completely to avoid high-resistance terminal hotspots during continuous 30 A maximum current draw.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43865991086170,"sku":"AEP7D-25","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/845..jpg?v=1787107114","url":"https:\/\/www.spareoil.com\/products\/aep7d-25-yokogawa-centum-vp-primary-power-supply-bus-unit","provider":"SpareOil Automation","version":"1.0","type":"link"}