{"product_id":"pw702-s1-yokogawa-prosafe-rs-datasheet-technical-manual","title":"PW702-S1 Yokogawa ProSafe-RS Datasheet \u0026 Technical Manual","description":"\u003ch2\u003eYokogawa PW702-S1 ProSafe-RS\/CENTUM VP Series\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-integrity power execution in Safety Instrumented Systems (SIS) and Distributed Control System (DCS) architectures, the \u003cstrong\u003eYokogawa PW702-S1\u003c\/strong\u003e (\u003cstrong\u003ePW702\u003c\/strong\u003e Power Supply Module) provides direct physical\/electrical execution. It operates as a dedicated hardware component for converting universal AC or DC input into a precision-regulated 5.1 VDC logic rail within CENTUM VP Field Control Stations (FCS) and ProSafe-RS networks.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePW702\u003c\/strong\u003e: High-Capacity Power Supply Module for Field Control Stations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-S1\u003c\/strong\u003e: Style 1 Revision featuring optimized internal heat sink architecture and transient filtration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS9152DC-04\u003c\/strong\u003e: Specific factory internal revision code for physical and electrical backplane compatibility.\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\u003ePW702-S1 (S9152DC-04)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa Electric Corporation\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\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e85-264 VAC (50\/60 Hz) or 88-300 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e+5.1 VDC (Precision Regulated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e29 A (Continuous)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e148 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003eGe 90%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003e1:1 Hot-Standby with Automatic Failover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Integrity\u003c\/td\u003e\n\u003ctd\u003eIEC 61508 SIL2 Certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling Method\u003c\/td\u003e\n\u003ctd\u003eNatural Convection (Fanless design)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 to +50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e25.4 x 7.6 x 27.9 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e164 W at maximum rated output load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; DCS Instrumentation Integration\u003c\/h3\u003e\n\u003cp\u003eThe PW702-S1 utilizes embedded diagnostic reporting mechanisms that interface directly with the FCS backplane. It continuously executes real-time measurements of output voltage, load current, and internal thermal thresholds. This diagnostic data is mapped directly to the system bus, allowing the Human Interface Station (HIS) to process the parameters without external transmitter loops. Additionally, the internal circuit architecture incorporates cold junction compensation (CJC) considerations and strict channel-to-channel isolation protocols across adjacent modules on the rack to prevent ground loops and signal interference from degrading the 5.1 VDC logic plane during cross-talk events.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum physical failover latency during a primary module fault condition?\u003c\/strong\u003e A: In a 1:1 dual-redundant configuration, the hot-standby circuit manages automatic failover instantaneously. The output voltage drop during a primary hardware failure remains within the standard logic tolerance, resulting in a 0 ms interruption to the CPU and I\/O modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this module accept mixed input sources in a redundant pair setup?\u003c\/strong\u003e A: Yes. Because the wide-range internal rectifying circuitry accepts both 85-264 VAC and 88-300 VDC automatically, one module can be tied to an AC mains distribution block while the secondary redundant module is fed by an independent high-voltage DC battery bank.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the unit require external active ventilation when operating at the maximum 29 A threshold?\u003c\/strong\u003e A: No. The unit relies strictly on natural convection cooling. It must be installed vertically with standard spacing to ensure the thermodynamic properties of the built-in heat sinks operate within the -10 to +50 deg C ambient limits.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Grounding Sequence\u003c\/strong\u003e: The module relies on the chassis grounding contacts located on the rear backplane connector interface. Ensure the enclosure cabinet ground bus bar is tied to a low-impedance instrument ground system (\u0026lt; 1 Ohm) before energizing the input mains.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Insertion and Retention\u003c\/strong\u003e: Slide the module into the designated slot along the guide rails until the rear connectors are completely seated. Secure the upper and lower mechanical retaining screws to eliminate vibration-induced contact resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Terminals\u003c\/strong\u003e: External power wiring must maintain proper separation from low-voltage I\/O signal lines. Use specified wire gauges capable of sustaining the maximum rated input current while accounting for localized thermal conditions inside the termination cabinet.\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_17ffa0cd-a126-4d44-8989-4f4483900a81.jpg?v=1776392694","url":"https:\/\/www.spareoil.com\/products\/pw702-s1-yokogawa-prosafe-rs-datasheet-technical-manual","provider":"SpareOil Automation","version":"1.0","type":"link"}