{"product_id":"ssc50d-s2511-yokogawa-prosafe-rs-duplexed-safety-control-unit","title":"SSC50D-S2511 Yokogawa ProSafe-RS Duplexed Safety Control Unit","description":"\u003ch2\u003eYokogawa SSC50D-S2511 Duplexed Safety Control Unit\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa SSC50D-S2511\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eSSC50D\u003c\/strong\u003e Duplexed Safety Control Unit, operates as a dedicated hardware component for dual-redundant safety execution and DC power distribution within ProSafe-RS and CENTUM VP platforms. Designed for direct rack installation, the unit interfaces directly with Vnet\/IP networks to process field logic signals, drive safety-instrumented functions, and provide stabilized output to associated I\/O modules without system disruption.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCode \/ Suffix Segment\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eConfiguration Detail\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunctional Specification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBase Model: SSC50D\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDuplexed Safety Control Unit\u003c\/td\u003e\n\u003ctd\u003eRack mountable safety controller for Vnet\/IP networks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuffix: S\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Type\u003c\/td\u003e\n\u003ctd\u003eOperating range -20 to 40 deg C with ISA Standard G3 conformal coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuffix: 2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual-Redundant Power\u003c\/td\u003e\n\u003ctd\u003eIntegrated dual-redundant power supply module architecture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuffix: 5\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-Explosion Protection\u003c\/td\u003e\n\u003ctd\u003eStandard non-incendive housing without explosion-proof rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuffix: 1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower Input\u003c\/td\u003e\n\u003ctd\u003eConfigured for 100-120 V AC main power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuffix: 1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFunction License\u003c\/td\u003e\n\u003ctd\u003eIncludes CFS1100 Safety Control Function License (for R3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSSC50D-S2511\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard CENTUM rack mount format\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20 to +40 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100-120 V AC (50\/60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRedundancy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual-redundant internal execution and dual power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConformal Coating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eISA Standard G3 compliance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProSafe-RS safety systems and CENTUM VP networks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, UL standards\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 and 4-20 mA HART Loop Protocol\u003c\/h3\u003e\n\u003cp\u003eThe SSC50D-S2511 provides galvanically isolated internal sub-circuits and reinforced input-to-output isolation barriers to maintain absolute signal integrity across safety loops. Incoming analog signals from field transmitters, including 4-20 mA HART loop protocol configurations, pass through dedicated channel-to-channel isolation hardware to prevent ground loop noise and cross-talk from corrupting safety logic processing. The high-density processing plane converts discrete and analog safety inputs under strict noise-rejection parameters, allowing HART diagnostic data overlays to traverse the unit backplane toward higher-level DCS asset management platforms without compromising SIL-rated tripping mechanisms.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the dual-redundant power supply behave during an AC supply line fault?\u003c\/p\u003e\n\u003cp\u003eA: The integrated dual-redundant power structure automatically transfers the entire internal load to the active healthy AC feed without voltage drops or system reset, ensuring uninterrupted execution of safety logic.\u003c\/p\u003e\n\u003cp\u003eQ: Is the unit rated for installation in harsh atmospheric environments containing corrosive gases?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the \"S\" suffix specification designates factory application of ISA Standard G3 conformal coating, which shields internal electronics against corrosive gas exposure such as hydrogen sulfide and sulfur dioxide.\u003c\/p\u003e\n\u003cp\u003eQ: Can maintenance personnel replace power supply components while the control unit is online?\u003c\/p\u003e\n\u003cp\u003eA: The architecture supports live hot-swap capabilities for sub-modules, provided that electrostatic discharge grounding procedures and cabinet safety locks are strictly observed during replacement.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eWhen mounting and wiring the Yokogawa SSC50D-S2511 unit in control enclosures, strictly observe the following technical procedures:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eMount the unit horizontally inside a standard CENTUM rack frame, securing all chassis retention screws to maintain structural grounding and mechanical alignment.\u003c\/li\u003e\n\u003cli\u003eVerify that the AC power supply source matches the 100-120 V AC specification before energizing the dual input terminals.\u003c\/li\u003e\n\u003cli\u003eConnect all field signal wiring shields directly to the dedicated cabinet ground bar using low-impedance ground straps, maintaining clear separation between low-voltage DC signals and AC power lines.\u003c\/li\u003e\n\u003cli\u003eMaintain a minimum vertical clearance of 50 mm above and below the rack unit to facilitate adequate thermal convection across the internal heat dissipation assembly.\u003c\/li\u003e\n\u003cli\u003eVerify that the Vnet\/IP bus cable connectors are fully seated and latched into the dual communication ports to ensure redundant network synchronization.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43855759835226,"sku":"SSC50D-S2511","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/36._21c87ee7-80bc-4e8e-92a5-a9ae544654f3.jpg?v=1786933988","url":"https:\/\/www.spareoil.com\/products\/ssc50d-s2511-yokogawa-prosafe-rs-duplexed-safety-control-unit","provider":"SpareOil Automation","version":"1.0","type":"link"}