{"product_id":"prosafe-rs-sil2-power-module-pw702-s1-yokogawa","title":"ProSafe-RS SIL2 Power Module | PW702-S1 Yokogawa","description":"\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa PW702-S1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(S9152DC-04) serves as the high-integrity power core for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCENTUM VP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eField Control Stations (FCS) and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eProSafe-RS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSafety Instrumented Systems (SIS). This module converts universal AC or DC input into a precision-regulated 5.1V DC logic rail, delivering a massive 29 Amps to sustain high-density CPU and I\/O configurations. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, providing the factory-certified SIL2 reliability required for mission-critical safety loops and process control.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown: PW702 Series\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePW702:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh-Capacity Power Supply Module for Field Control Stations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-S1:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStyle 1 Revision: Optimized internal heat-sync architecture and transient filtration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eS9152DC-04:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSpecific internal revision code ensuring compatibility with the latest ProSafe-RS and CENTUM VP backplanes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYokogawa Electric Corporation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePW702-S1 (S9152DC-04)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e85–264 V AC (50\/60 Hz) or 88–300 V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e+5.1 V DC (Precision Regulated)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e29 Amps (Continuous)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e~148 Watts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≥ 90%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRedundancy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1:1 Hot-Standby with Automatic Failover\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSafety Integrity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIEC 61508 SIL2 Certified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCooling Method\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNatural Convection (Fanless design)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e–10 °C to +50 °C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25.4 x 7.6 x 27.9 cm (10.0 x 3.0 x 11.0 in)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.0 kg (4.4 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSIL2 Safety Compliance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe PW701\/PW702 series carries IEC 61508 SIL2 certification. This allows for direct integration into Safety Instrumented Systems (SIS). The module maintains the strict hardware fault tolerance required for Emergency Shutdown (ESD) and Fire \u0026amp; Gas (F\u0026amp;G) applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMassive 29A Current Delivery:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh-performance DCS processors and digital I\/O modules demand substantial logic power. The PW702-S1 provides a robust\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e29 Amps of regulated 5.1V DC\u003c\/strong\u003e, preventing the voltage dips and logic glitches that occur when using underpowered third-party alternatives.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntelligent Diagnostic Reporting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module does not merely supply power; it communicates. The PW702-S1 reports its output voltage, load current, and internal temperature status back to the Human Interface Station (HIS) via the FCS backplane, enabling predictive maintenance before a failure occurs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Efficiency Fanless Design:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUtilizing a ≥90% efficiency architecture, the PW702-S1 minimizes heat dissipation. The natural convection cooling removes the need for mechanical fans, which are the primary failure point in industrial power supplies. This design prevents the intake of corrosive dust and metallic particles common in heavy industry.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFault-Tolerant Redundancy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module supports 1:1 hot-standby redundancy. When installed in pairs, the system manages a seamless automatic failover. Should the primary module experience a fault, the secondary module assumes the full load instantly without causing a system reset or process interruption.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the PW702-S1 replace the PW701 model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile functionally similar in output, the PW702 is specifically optimized for newer Field Control Stations and ProSafe-RS racks. Always verify the backplane connector and specific station model (FCS) before replacing a PW701 with a PW702.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the module require manual switching for DC input?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The wide-range input circuitry automatically accepts either 85–264 V AC or 88–300 V DC. This flexibility allows the module to work with standard plant mains or high-voltage battery backup systems without hardware modification.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the specific grounding requirements?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProper grounding is mandatory for the PW702-S1 to achieve its rated EMI\/RFI protection. Ensure the module is fully seated in the rack and that the cabinet's grounding bus meets Yokogawa's installation standards for DCS equipment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is \"Brand New\" condition vital for the PW702-S1?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAs a SIL2-rated component, the PW702-S1's reliability is calculated based on the lifespan of its internal components. Used or \"refurbished\" modules carry an unknown history of thermal stress, which significantly degrades the electrolytic capacitors. Only a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eunit ensures your safety system maintains its integrity for the full duration of its design lifecycle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43224987041882,"sku":"PW702","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/223._a2880fa5-0568-4570-9559-90ef903f70c2.jpg?v=1776392694","url":"https:\/\/www.spareoil.com\/products\/prosafe-rs-sil2-power-module-pw702-s1-yokogawa","provider":"SpareOil Automation","version":"1.0","type":"link"}