{"product_id":"yokogawa-prk71-s1-baseplate-unit","title":"Yokogawa PRK71 S1 Baseplate Unit","description":"\u003cp\u003eConfigured for power distribution and backplane interconnect execution in CENTUM CS 1000 and CENTUM VP platforms, the \u003cstrong\u003eYokogawa PRK71 S1\u003c\/strong\u003e (\u003cstrong\u003ePRK71\u003c\/strong\u003e Baseplate Unit) provides direct physical\/electrical execution.\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\u003ePRK71 S1\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\u003e1.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e48.3 cm x 27.9 cm x 2.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e15 W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003eRegulated backplane power for connected modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Rating\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Tolerance\u003c\/td\u003e\n\u003ctd\u003e5-95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eRack-mounted baseplate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eCENTUM CS 1000, CENTUM VP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel Isolation and Loop Power Distribution Architecture\u003c\/h3\u003e\n\u003cp\u003eThe PRK71 S1 provides structural backplane routing that isolates control logic signal paths from primary DC power buses. The unit distributes a regulated 24 VDC feed across populated I\/O card slots, preserving channel-to-channel isolation limits across process interfaces. By routing high-density backplane signals through multi-layer PCB traces, the baseplate minimizes high-frequency noise cross-talk and common-mode interference, maintaining signal stability for 4-20 mA HART analog loops and cold junction compensation (CJC) temperature measurement modules.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What short-circuit protection features are built into the PRK71 S1 backplane bus?\u003c\/p\u003e\n\u003cp\u003eA: Integrated overcurrent and short-circuit protection circuitry limits fault current propagation across individual card slots, preventing localized field loop faults from interrupting power to adjacent control modules.\u003c\/p\u003e\n\u003cp\u003eQ: Can I\/O modules be hot-swapped on the PRK71 S1 during active system operation?\u003c\/p\u003e\n\u003cp\u003eA: Module replacement depends on the specific I\/O module specifications; however, the PRK71 S1 backplane connectors maintain continuous ground reference contact before signal pin engagement during insertion.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the baseplate horizontally into the 19-inch rack enclosure using standard M6 panel screws torqued to 3.5 Nm.\u003c\/li\u003e\n\u003cli\u003eVerify cabinet earth bonding and connect the primary ground stud directly to the central cabinet ground bar using a short, low-impedance grounding wire.\u003c\/li\u003e\n\u003cli\u003eAlign incoming 24 VDC power supply cables to the primary terminal block and secure connections to prevent voltage drop under load.\u003c\/li\u003e\n\u003cli\u003eEnsure a minimum vertical clearance of 50 mm above and below the baseplate to maintain natural convection airflow across installed modules.\u003c\/li\u003e\n\u003cli\u003eInspect backplane connector pins for physical alignment before seating CPU and I\/O cards into their respective slots.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52742541541656,"sku":"PRK71 S1","price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/PRK71S1_Cocoai_da819650-9e8f-41ee-9f64-d5459010a12c.jpg?v=1790041883","url":"https:\/\/www.innoplcsync.com\/products\/yokogawa-prk71-s1-baseplate-unit","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}