{"product_id":"sequence-control-processor-card-yokogawa-scp461-51-s1","title":"Sequence Control Processor Card | Yokogawa SCP461-51 S1","description":"\u003ch2\u003eYokogawa SCP461-51 S1 CENTUM VP Sequence Control Processor Card\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa SCP461-51 S1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eSCP461-51\u003c\/strong\u003e Sequence Control Processor Card, operates as a dedicated hardware component for discrete state transitions, sequential logic execution, and protective interlocks within Yokogawa CENTUM VP systems.\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\u003eSCP461-51 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\u003e0.7 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e200 mm x 150 mm x 25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e12 to 18 W (at 24 VDC backplane bus)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Series\u003c\/td\u003e\n\u003ctd\u003eCENTUM CS 3000 \/ CENTUM VP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware Style\u003c\/td\u003e\n\u003ctd\u003eS1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eDiscrete Logic, Interlocking, and Batch Sequence Execution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eDual-Redundant (Duplex) configuration support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Interface\u003c\/td\u003e\n\u003ctd\u003eVnet\/IP real-time bus interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and DCS Interface Protocols\u003c\/h3\u003e\n\u003cp\u003eThe SCP461-51 S1 sequence controller communicates across Vnet\/IP real-time network backplane lines to manage discrete logic states and interlocks. Internal system isolation barriers and data routing preserve signal stability while interfacing with 4-20 mA HART loop protocol field devices, supporting automated cold junction compensation (CJC) and continuous channel-to-channel isolation during batch sequence steps.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the duplex redundant configuration prevent sequence interruption on the SCP461-51 S1?\u003c\/p\u003e\n\u003cp\u003eA: In a 1:1 dual-redundant arrangement, the primary and standby SCP461-51 S1 cards continuously synchronize sequence steps, timers, and internal process registers over the Vnet\/IP bus interface. A detected processor error prompts an immediate bumpless transfer without resetting process timers or altering active state conditions.\u003c\/p\u003e\n\u003cp\u003eQ: Can an SCP461-51 S1 card be hot-swapped while the Field Control Station is running?\u003c\/p\u003e\n\u003cp\u003eA: Yes. When configured in a dual-redundant pair, the faulty unit can be unseated and extracted from the backplane under active power without disrupting real-time logic execution or network communication on the active control module.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the Field Control Station rack securely and connect protective grounding conductors before seating the SCP461-51 S1 module. Insert the card smoothly along the chassis guide rails until the backplane bus interface latches seat fully. Maintain clear vertical airflow above and below the rack assembly to manage thermal dissipation. Ensure signal cables and network connections adhere to Yokogawa shield grounding standards to eliminate electrical noise and cross-talk across high-speed Vnet\/IP data lines.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":42870879223898,"sku":"SCP461-51 S1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/95_032d1934-2613-4403-94b1-f7643f1340b0.jpg?v=1772245996","url":"https:\/\/www.spareoil.com\/products\/sequence-control-processor-card-yokogawa-scp461-51-s1","provider":"SpareOil Automation","version":"1.0","type":"link"}