{"product_id":"135489-02-bently-nevada-3500-42-i-o-module-with-internal-barriers","title":"135489-02 Bently Nevada 3500\/42 I\/O Module with Internal Barriers","description":"\u003ch3 class=\"\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe Bently Nevada 135489-02 is a specialized high-integrity I\/O module engineered for the 3500 Machinery Protection System.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThis specific variant is distinguished by its integrated internal barriers,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ewhich provide essential intrinsic safety for sensor loops extending into hazardous industrial zones.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eActing as the physical termination point for field wiring,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe 135489-02 facilitates the secure intake of signals from proximity probes,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eaccelerometers,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand velocity transducers.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eBy isolating sensitive monitoring electronics from potential electrical energy surges in explosive atmospheres,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eit ensures that critical vibration and displacement data are processed without compromising site safety or equipment longevity.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003eTechnical Architecture and Safety Metrics\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eComponent Designation\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eI\/O Module with Internal Barriers and Terminations\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eOrdering Identifier\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e135489-02\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eInput Configuration\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eSupport for 2 Displacement\/Acceleration and 2 Velocity channels\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eHazardous Area Readiness\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eATEX and IECEx certified for intrinsic safety compliance\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eOperational Voltage\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e24V DC standard input\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eNetwork Interfacing\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eFully compatible with Modbus,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eEthernet,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand SCADA architectures\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eMaintenance Logic\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eHot-swappable design for live-system servicing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eLocal Diagnostics\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated LED status indicators for power,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ecomms,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand faults\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eChassis Mounting\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eStandard 3500 rack-mount form factor\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eNet Mass\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e1.\u003c\/span\u003e\u003cspan class=\"\"\u003e2 kg\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003ePhysical Dimensions\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e78 mm x 78 mm x 56 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eManufacturing Origin\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eUSA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"\"\u003eIndustrial Utility and Hazardous Zone Applications\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eIn the demanding environments of oil and gas refineries,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003epetrochemical plants,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand power utility stations,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe 135489-02 serves as a frontline safety barrier.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIts primary application is the surveillance of rotating machinery located in Class 1,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eDivision 1 or Zone 0\/1 areas.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eBecause the module conditions signals from various sensor types—ranging from displacement probes on fluid-film bearings to casing-mounted velocity sensors—it provides a versatile solution for comprehensive asset monitoring.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThe integrated dry contact relay outputs allow for the direct triggering of local alarms or shutdown sequences,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ewhile the seamless integration with 3500 rack software enables precise data trending and predictive maintenance.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThis module is an essential upgrade for any monitoring system requiring high-density I\/O with built-in explosive atmosphere protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eQ: What is the main benefit of the internal barriers in the 135489-02?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eA:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eInternal barriers eliminate the need for external zener barriers or galvanic isolators between the rack and the sensors,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003esimplifying wiring while maintaining intrinsic safety in hazardous locations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eQ: Can I mix different sensor types on a single 135489-02 module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eA:\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eYes,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe 135489-02 is configured to support a combination of two displacement\/acceleration channels and two velocity channels,\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eproviding flexibility for complex machine monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it safe to replace the 135489-02 while the rest of the 3500 rack is powered?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This module is designed to be hot-swappable, allowing maintenance personnel to replace the I\/O module without shutting down the entire machinery protection system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1.2 kg weight include the termination terminal blocks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, the 1.2 kg weight covers the ruggedized I\/O module assembly along with its integrated termination hardware for field wiring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do the diagnostic LEDs assist in troubleshooting?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The LEDs provide immediate visual feedback regarding the health of the module, the status of communication with the main monitor, and the presence of any channel-level faults or sensor wiring issues.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45833011265709,"sku":"135489-02","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/bentlynevada_135489-02_2.jpg?v=1773904275","url":"https:\/\/www.maxwellplc.com\/products\/135489-02-bently-nevada-3500-42-i-o-module-with-internal-barriers","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}