{"title":"Yokogawa ProSafe-RS","description":"\u003cp\u003eYokogawa ProSafe-RS est un système instrumenté de sécurité (SIS) spécialement conçu pour la protection des processus à haute intégrité. L’architecture repose sur une conception redondante certifiée SIL3, comprenant des unités de contrôle de sécurité spécialisées (SCP461) et des modules d’E\/S de sécurité (SDV144). Les caractéristiques techniques incluent l’utilisation de Vnet\/IP pour une intégration transparente avec \u003ca href=\"https:\/\/www.plcprotech.com\/collections\/yokogawa-centum-vp\"\u003eCENTUM VP\u003c\/a\u003e, des circuits d’auto-diagnostic et des modules réseau SNT10 pour la communication de sécurité. Fonctionnellement, ProSafe-RS gère la coupure d’urgence (ESD) et la logique incendie et gaz (F\u0026amp;G), garantissant que les conditions de processus dangereuses sont atténuées en toute sécurité. Sa communication non intrusive avec le DCS permet un environnement opérationnel unifié tout en maintenant l’indépendance stricte requise par les normes internationales de sécurité.\u003c\/p\u003e","products":[{"product_id":"yokogawa-sdv144-s13-digital-input-module-prosafe-rs","title":"Module d'entrée numérique ProSafe-RS Yokogawa SDV144-S13","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"citation-1088\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003eSDV144-S13 (SDV144-S13)\u003c\/strong\u003e\u003cspan class=\"citation-1088 citation-end-1088\"\u003e\u003cspan\u003e \u003c\/span\u003eis a high-reliability, 16-channel digital input module engineered for the Yokogawa ProSafe-RS Safety Instrumented System (SIS).\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eAs a crucial component in functional safety architectures, it is designed to monitor field device statuses—such as pressure switches, emergency stop buttons, and valve limit switches—in environments that require\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSIL3 (Safety Integrity Level 3)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecompliance. The \"S13\" suffix specifies the hardware style and revision, featuring a standard configuration without the conformal coating found on \"C\" variants, yet maintaining the same high-speed diagnostics and galvanic isolation required to protect the safety controller from field-side electrical surges. In the lifecycle of an LNG terminal or refinery, the SDV144-S13 ensures that safety-critical data is processed with deterministic precision to prevent catastrophic failures.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe module operates within the FIO (Field network I\/O) node unit, utilizing a dual-microprocessor architecture to perform continuous self-tests on its internal circuitry. It supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eLine Monitoring\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctionality, which allows the system to detect field wiring issues like open circuits or short circuits when used in conjunction with a resistor end-of-line (EOL) network. Each of the 16 channels is isolated from the internal system bus, providing a high degree of noise immunity and ensuring that a failure in one field loop does not propagate to the rest of the safety station.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSDV144-S13\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYokogawa\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSystem\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eProSafe-RS \/ Centum VP\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNumber of Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 (Isolated)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInput Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSafety Rating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSIL3 (IEC 61508)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInput Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.1 mA (Typ. at 24 VDC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eON Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e18 to 30 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOFF Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 5 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.35 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e13.0 x 4.0 x 13.0 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-20 to +70 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the S13 and S33 revisions?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe S13 is an earlier hardware style code compared to the S33. While they are functionally similar, you must verify the \"Style\" compatibility in your Yokogawa Builder software. Often, a newer S33 can replace an S13, but the reverse may require a firmware downgrade or project reconfiguration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module support \"Hot Swap\" replacement?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the SDV144-S13 supports online module replacement (Hot Swap). When the system is running, you can pull the faulty module and insert a new one; the Safety Control Station (SCS) will automatically download the configuration parameters to the new unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I clear a \"Line Fault\" error on this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA Line Fault usually indicates a break or short in the field wiring. Check the 1 kOhm series and 10 kOhm parallel resistors at the field device. If the resistors are intact, inspect the terminal block connections for loose wires or corrosion.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEOL Resistor Placement:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFor safety loops requiring line monitoring, the resistors must be placed as close to the field contact as possible (e.g., inside the switch junction box). Placing them in the Marshalling Cabinet defeats the purpose of line monitoring, as it leaves the long field cable run unmonitored.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundancy Wiring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIf you are using the SDV144-S13 in a redundant configuration (Dual-Redundant), ensure that the input signals are split correctly via a terminal board specifically designed for redundancy. Both modules must see the same input voltage simultaneously to avoid \"Input Mismatch\" alarms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrounding and Shielding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTo ensure SIL3 reliability in high-EMI environments, the field cable shields should be grounded at the Marshalling Cabinet side only. Avoid \"Double Grounding\" which creates ground loops that can cause intermittent signal flickering on the 24 VDC digital inputs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52695393534315,"sku":"SDV144-S13","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/yokogawa-sdv144-s13-digital-input-module-tms0rnuof0x_4d0b1dec-1a3d-468a-98a2-840f40102841.jpg?v=1766133170"},{"product_id":"yokogawa-sdv144-s33-centum-vp-digital-input-module","title":"Module d'entrée numérique Centum VP Yokogawa SDV144-S33","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSDV144-S33 (SDV144-S33)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density Digital Input Module designed for the Yokogawa Centum VP integrated production control system and the ProSafe-RS safety instrumented system (SIS).\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-1082 citation-end-1082\"\u003eFeaturing 16 channels of isolated inputs, this module is a critical component for monitoring field switch statuses, valve positions, and emergency stop signals in high-integrity industries such as LNG terminals, petrochemical plants, and offshore oil platforms.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eThe \"S33\" suffix indicates a specific hardware revision and coating specification, ensuring the module meets the rigorous\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSIL3 (Safety Integrity Level 3)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequirements. Its primary value lies in its ultra-reliable diagnostic capabilities, ensuring that the control system can distinguish between a normal process state and a field wiring fault, thereby preventing nuisance trips and maximizing plant uptime.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"citation-1081 citation-end-1081\"\u003eThe SDV144-S33 architecture is built around hardware redundancy and comprehensive self-diagnostics.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-1080 citation-end-1080\"\u003eEach of the 16 channels is galvanically isolated to prevent electrical noise from the field from propagating to the system bus.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eThe module supports \"Line Monitoring,\" which allows the system to detect open circuits or short circuits in the field wiring when used with external end-of-line (EOL) resistors.\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-1079 citation-end-1079\"\u003eThis module is typically installed in an FIO (Field network I\/O) node unit and communicates via the ESB or ER bus, providing high-speed status updates to the Safety Control Station (SCS).\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSDV144-S33\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYokogawa\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSystem Compatibility\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCentum VP \/ ProSafe-RS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInput Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDigital Input (16-Channel, Isolated)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSafety Integrity Level\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSIL3 Certified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRated Input Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInput Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.1 mA (at 24 VDC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.35 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e13.0 x 4.0 x 13.0 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-20 to +70 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.5 W (Max)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFIO Node Unit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the \"S\" and \"33\" in the suffix signify?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \"S\" generally denotes a standard type with specific hardware features for safety systems, while \"33\" refers to the style code or revision. In Yokogawa's ecosystem, style codes are vital for ensuring compatibility with existing backplanes and software versions (Revision 3.3).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the SDV144-S33 be used in a non-safety (DCS) application?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile it is primarily a ProSafe-RS (SIS) module, Yokogawa hardware is often cross-compatible within the FIO architecture. However, using a SIL3-rated module for standard DCS functions is generally not cost-effective unless standardized spares are required across the facility.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module support pulse counting?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SDV144 is optimized for state detection (On\/Off). For high-speed pulse counting or frequency measurement, Yokogawa offers dedicated pulse input modules (like the SET401) with specialized high-speed processing circuitry.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLine Monitoring Configuration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIf using the SDV144-S33 for safety-critical loops, ensure that the \"Line Monitoring\" function is enabled in the software. This requires the installation of a 10 kOhm parallel resistor and a 1 kOhm series resistor at the field device. Without these, the module cannot detect a wire break, which may compromise the SIL3 rating of the loop.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModule Hot-Swapping:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module supports \"Online Replacement.\" When replacing a faulty unit, ensure the new module's style code (S33) matches the one defined in the system project. Inserting a different style code may cause a configuration mismatch fault in the Safety Control Station.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eField Wiring Termination:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUse high-quality ferruled connections for the pressure-clamp terminals. Given the 16-channel density, ensure that the common (negative) returns are properly balanced to avoid voltage drops that could lead to false \"Off\" states in long-distance cable runs (exceeding 200 meters).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52695394255211,"sku":"SDV144-S33","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/yokogawa-sdv144-s33-digital-input-module-lcwrqzjvfmk_7fc665bc-c975-497c-b2e0-4910e590d988.jpg?v=1766133213"},{"product_id":"yokogawa-snt501-13-prosafe-rs-optical-esb-bus-repeater-module","title":"Module répéteur de bus optique ProSafe-RS Yokogawa SNT501-13","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Yokogawa\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSNT501-13 (SNT501-13)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis an Optical ESB Bus Repeater Slave Module engineered for the ProSafe-RS safety instrumented system (SIS). Widely deployed in high-consequence process industries such as oil refining, petrochemical processing, and power generation, this module extends critical safety communication networks over long physical distances. It receives optical signals transmitted from an SNT401 master module or N-ESB bus module via fiber-optic cabling and converts them back to electrical signals. These signals are then routed via an ESB bus cable to the SSB401 ESB Bus Interface Module residing on the SNB10D safety node unit. By isolating the communication path through fiber optics, this module prevents electromagnetic interference (EMI) and ground-loop propagation across remote processing areas, ensuring continuous system uptime and robust machinery protection.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe model and suffix code structure of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSNT501-13\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edictates its environmental protection rating, explosive atmosphere certification, and maintenance designation:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSNT501\u003c\/strong\u003e: Base designator for the Optical ESB Bus Repeater Slave Module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-1\u003c\/strong\u003e: Denotes a hardware build with no explosion protection, suitable for non-hazardous control room environments or installations utilizing external containment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e3\u003c\/strong\u003e: Designates compliance with the ISA Standard G3 conformal coating specification for highly corrosive environments. This option also expands the certified operating temperature window to a wider range of -20 to 70 deg C, classified strictly for system maintenance and legacy support purposes.\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\u003eParameter Metric\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCertified Specification Value\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSNT501-13\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\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\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eJapan\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFunction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eESB Bus optical transport function (Slave side)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConnection Topology\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStar type or Chain type network architectures\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCascading Capability\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum of 2 connecting stages\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTransmission Distance\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMax 5 km (total two stages); Max 10 km on Vnet\/IP R1.03 or later\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCurrent Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.5 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-20 to 70 deg C (-4 to 158 deg F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEnvironmental Protection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eISA Standard G3 chemical resistance coating\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 0.3 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is it critical that the suffix codes of the bus 1 and bus 2 modules match exactly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: For redundant safety configurations, both the primary (bus 1) and secondary (bus 2) repeater modules must share identical electrical, thermal, and signal-propagation characteristics. Mismatching suffix codes (such as pairing a standard module with a G3-coated, wide-temperature -13 module) can introduce minor timing offsets, compromising the synchronization of the ProSafe-RS safety bus.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the SNT501-13 module be paired with any master-side optical repeater?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No. To maintain proper optical link budgets and communication integrity, the master side and slave side must be paired systematically. The SNT501-13 (SNT501-dash-13) slave module must be paired specifically with the corresponding SNT401-13 master module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the benefit of the ISA Standard G3 coating on this specific module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The G3 rating indicates that the module's printed circuit board (PCB) has a specialized conformal coating. This provides robust protection against chemical attack from corrosive gases (such as hydrogen sulfide, sulfur dioxide, and chlorine) commonly present in oil refineries, wastewater facilities, and paper mills.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnsuring Fiber Connection Cleanliness:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBefore inserting the fiber-optic connectors into the SNT501-13, clean the cable end-faces using a dedicated fiber-optic reel cleaner or lint-free wipes saturated with industrial-grade isopropyl alcohol. Microscopic dust particles trapped in the optical transceiver interface can cause severe signal attenuation, leading to high bit-error rates on the ESB bus or communication timeouts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eObserving Minimum Bend Radius:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDuring cabinet routing, ensure the fiber-optic cables do not exceed their specified minimum bend radius (typically 30 mm for standard multi-mode fiber). Sharp bends can cause micro-bends in the glass core, resulting in permanent optical power loss that reduces the maximum transmission distance below the rated 5 km or 10 km limits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundant Path Physical Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen implementing a redundant star or chain topology, route the fiber-optic cables for Bus 1 and Bus 2 through completely separate physical conduits and cable trays. This prevents a single physical impact, fire, or localized cabinet accident from severing both communication lines simultaneously, preserving safety system operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52695401857387,"sku":"SNT501-13","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/yokogawa-snt501-13-optical-esb-bus-repeatermodule-lvcejdnyuvi_850e14da-4a42-45b1-89dd-c62c63aea84a.jpg?v=1766133774"}],"url":"https:\/\/www.plcprotech.com\/fr\/collections\/yokogawa-prosafe-rs.oembed","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}