{"product_id":"bently-nevada-135489-02-i-o-module-with-internal-barriers-for-prox-accel-and-velomitor-signals","title":"Bently Nevada 135489-02 I\/O Module with Internal Barriers for Prox\/Accel and Velomitor Signals","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e135489-02\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a Bently Nevada I\/O module designed for safe signal acquisition from proximity, acceleration, and velocity sensors in industrial vibration monitoring systems. It integrates internal barriers and internal terminations to simplify wiring architecture while maintaining intrinsic safety compliance in hazardous area installations. The module is commonly used in turbine protection systems, compressors, and critical rotating machinery where reliable multi-channel vibration input is required for continuous condition monitoring.\u003c\/p\u003e\n\u003cp\u003eThis I\/O module supports 2 proximity or accelerometer channels and 2 Velomitor channels, enabling mixed-sensor configurations within a single module. It is widely deployed in oil and gas facilities, power generation stations, and petrochemical plants where system reliability and reduced wiring complexity directly impact maintenance efficiency and downtime control.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e2 Prox\/Accel channels for shaft vibration and displacement monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2 Velomitor channels for casing vibration velocity measurement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInternal barriers for intrinsic safety signal isolation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInternal terminations for simplified cabinet wiring and reduced installation complexity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe internal barrier design eliminates the need for external isolators, reducing cabinet space requirements and improving system integration efficiency. The module ensures stable signal conditioning between field sensors and monitoring systems while maintaining electrical protection in hazardous environments.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"\"\u003eDetails\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\u003e135489-02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eI\/O Module with Internal Barriers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eMade in U.S.A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e2 Prox\/Accel + 2 Velomitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Type\u003c\/td\u003e\n\u003ctd\u003eVibration displacement and velocity inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Feature\u003c\/td\u003e\n\u003ctd\u003eInternal intrinsic safety barriers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTermination\u003c\/td\u003e\n\u003ctd\u003eInternal signal termination\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eTurbine, compressor, pump monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Environment\u003c\/td\u003e\n\u003ctd\u003eIndustrial hazardous areas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSystem rack powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.201 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Type\u003c\/td\u003e\n\u003ctd\u003eRack-mounted I\/O module\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\u003eCan this module handle both proximity and velocity signals simultaneously?\u003c\/strong\u003e\u003cbr\u003eYes. It supports 2 proximity or accelerometer inputs and 2 Velomitor velocity channels in parallel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module require external signal barriers?\u003c\/strong\u003e\u003cbr\u003eNo. It includes internal barriers, which reduces external wiring and cabinet complexity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it compatible with 3500 monitoring systems?\u003c\/strong\u003e\u003cbr\u003eYes. It is designed for integration within Bently Nevada 3500 series monitoring architectures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if a channel fails?\u003c\/strong\u003e\u003cbr\u003eA failed channel will trigger diagnostic alerts in the monitoring system without affecting remaining channels.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cp\u003eInstall the module in a properly grounded rack enclosure to maintain signal integrity and intrinsic safety compliance. Poor grounding can introduce measurement noise across all channels.\u003c\/p\u003e\n\u003cp\u003eKeep field wiring separated from high voltage power lines and VFD cables to avoid electromagnetic interference, especially in turbine control cabinets.\u003c\/p\u003e\n\u003cp\u003eVerify correct channel configuration during commissioning. Misconfigured input types (Prox\/Accel vs Velomitor) can lead to incorrect vibration interpretation.\u003c\/p\u003e\n\u003ch3\u003e\u003c\/h3\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668321890667,"sku":"135489-02","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-135489-02-i-o-module-with-internal-barriers-and-internal-terminations-ph4wmoxwykw_33e1082e-42c4-4eda-8942-5a692bc45121.jpg?v=1765449578","url":"https:\/\/www.plcprotech.com\/products\/bently-nevada-135489-02-i-o-module-with-internal-barriers-for-prox-accel-and-velomitor-signals","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}