{"product_id":"3500-90-125728-01-bently-nevada-modbus-communication-gateway","title":"3500\/90 125728-01 Bently Nevada Modbus Communication Gateway","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 3500\/90 (125728-01)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as the primary digital bridge between the 3500 Machinery Protection System and external plant-wide networks. This high-performance gateway translates internal rack variables—including vibration magnitudes, temperatures, and alarm statuses—into industry-standard protocols. By supporting both\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eModbus RTU (Serial)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eModbus TCP\/IP (Ethernet)\u003c\/strong\u003e, it enables seamless data integration with Distributed Control Systems (DCS) and Programmable Logic Controllers (PLC). We offer this module as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original factory stock\u003c\/strong\u003e, ensuring the highest level of network stability for your critical assets.\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\u003eParameter\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\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3500\/90 (125728-01)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtocols Supported\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eModbus RTU (RS-232\/422\/485) and Modbus TCP\/IP\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEthernet Port\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 x 10\/100 Mbps RJ45\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSerial Interfaces\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 x Configurable Serial Ports\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBaud Rate Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1200 to 115.2 kbps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSecurity Architecture\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHardware-Enforced Read-Only Access\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eData Types\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStatic Values, Alarms, Events, System Status\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-30 °C to +65 °C (-22 °F to +149 °F)\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\u003e24.1 cm x 3.8 cm x 24.1 cm\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\u003eCybersecurity \u0026amp; Data Integrity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 3500\/90 employs a specialized\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eread-only architecture\u003c\/strong\u003e. This hardware-level restriction ensures that network traffic from the DCS or external hackers cannot modify critical machinery protection setpoints or configuration logic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProtocol Versatility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module eliminates the need for external third-party protocol converters. It supports simultaneous serial and Ethernet communications, allowing legacy serial PLCs and modern Ethernet-based DCS systems to pull data concurrently.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReal-Time Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFront-panel DIP switches facilitate rapid hardware addressing without requiring complex software tools during initial commissioning. The integrated system reset switch allows operators to clear latched alarms directly from the rack interface.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Channel Density Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA single 3500\/90 gateway provides access to all data within a 3500 rack. This minimizes hardware costs by centralizing the communication interface for up to 16 monitor modules into one dedicated gateway slot.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the 3500\/90 protect the rack from unauthorized changes?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module uses hardware-enforced \"Read-Only\" logic. While external systems can poll the gateway for vibration and status data, the gateway lacks the physical circuitry to write configuration changes back to the 3500 monitor modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use both the Serial and Ethernet ports at the same time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 3500\/90 supports concurrent communication. You can provide vibration data to a local HMI via Modbus RTU while simultaneously transmitting the same data to a centralized control room via Modbus TCP\/IP.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the 125728-01 and earlier communication modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 125728-01 is the modern high-speed version of the 3500\/90. It offers improved processing power and Ethernet stability compared to legacy serial-only versions, providing faster data refresh rates for the DCS.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module require a separate power supply?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 3500\/90 draws all necessary power directly from the 3500 rack backplane. It installs into any available slot in the rack, though it typically resides in the slot adjacent to the Power Supplies or Rack Interface Module (RIM).\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":42894928281690,"sku":"3500\/90 125728-01","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/51_49303d47-aecb-4adc-a3c9-864a774e7216.jpg?v=1770368736","url":"https:\/\/www.spareoil.com\/products\/3500-90-125728-01-bently-nevada-modbus-communication-gateway","provider":"SpareOil Automation","version":"1.0","type":"link"}