{"product_id":"bently-nevada-135489-04-3500-40m-proximitor-i-o-module-with-internal-barriers","title":"Bently Nevada 135489-04 3500\/40M Proximitor I\/O Module with Internal Barriers","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e135489-04\u003c\/strong\u003e (135489-04) is a high-performance Input\/Output module specifically engineered for the Bently Nevada \u003cstrong\u003e3500\/40M\u003c\/strong\u003e Proximitor Monitor system. This four-channel interface is designed to bridge field transducers with the machinery protection rack, providing integrated \u003cstrong\u003eInternal Barriers\u003c\/strong\u003e and \u003cstrong\u003eInternal Terminations\u003c\/strong\u003e. This configuration is critical for hazardous area installations, as the built-in safety barriers limit electrical energy to prevent ignition in explosive atmospheres.\u003c\/p\u003e\n\u003cp\u003eThe module processes pulse and displacement signals from proximity transducers to monitor essential machinery parameters, including radial vibration, thrust position, eccentricity, differential expansion, and REBAM. By delivering continuous machinery protection and high-fidelity data to operations personnel, the \u003cstrong\u003e135489-04\u003c\/strong\u003e serves as a vital component in reducing unscheduled downtime for critical assets in power generation, oil and gas, and petrochemical processing.\u003c\/p\u003e\n\u003ch3\u003eHardware Architecture \u0026amp; Signal Processing\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e135489-04\u003c\/strong\u003e module is designed with a high-density architecture that supports up to four proximity transducer signals simultaneously. It features internal galvanic isolation and safety components that comply with CSA-NRTL\/C and ATEX\/IECEx entity parameters.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel Programming\u003c\/strong\u003e: Monitor channels are programmed in pairs, allowing the system to perform up to two distinct functions at once (e.g., Channels 1 and 2 monitoring radial vibration while Channels 3 and 4 monitor thrust).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Barriers\u003c\/strong\u003e: The module incorporates a Proximitor Barrier circuit with specific power (PWR) and signal (SIG) parameters, ensuring Vmax and Imax levels remain within safe operational limits for intrinsic safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Conditioning\u003c\/strong\u003e: The hardware provides advanced filtering capabilities, including direct filters (up to 4000 Hz), gap filters, and constant Q notch filters for 1X and 2X vector tracking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\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 Details\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\u003e\u003cstrong\u003e135489-04\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3500 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProximitor I\/O Module with Internal Barriers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Signals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 to 4 Proximity Transducers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.7 Watts Typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 kOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransducer Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to +65 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e241.3 mm x 24.4 mm x 163.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.46 kg (1.01 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA\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\u003eHow does the internal barrier affect the field wiring requirements?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e135489-04\u003c\/strong\u003e includes built-in safety barriers, which eliminates the need for external zener barriers or galvanic isolators between the rack and the hazardous area. This simplifies cabinet layout and reduces overall loop impedance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module be used for both radial vibration and thrust position?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 3500\/40M monitor paired with this I\/O module allows channels to be configured in pairs for different functions, such as radial vibration on one pair and thrust position on the other.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the primary entity parameters for the internal barriers?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor the Proximitor Barrier (PWR), the Vmax is 26.25 V and Imax is 110.48 mA. For the Signal (SIG), Vmax is 13.65 V and Imax is 2.74 mA.\u003c\/p\u003e\n\u003ch3\u003e🛠️ Installation Guide \u0026amp; Key Steps\u003c\/h3\u003e\n\u003cp\u003eThe 135489-04 is an I\/O module with \u003cspan\u003eInternal Barriers\u003c\/span\u003e and \u003cspan\u003eInternal Terminations\u003c\/span\u003e . It mounts at the rear of the 3500 rack, directly behind the \u003cspan\u003e3500\/40M Proximitor Monitor\u003c\/span\u003e . It provides intrinsically safe (IS) isolation for transducers located in hazardous areas .\u003c\/p\u003e\n\u003ch4\u003e1. Hardware Installation\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cspan\u003eBypass Channels:\u003c\/span\u003e Before inserting the module, place the associated monitor channels in \u003cspan\u003eBypass\u003c\/span\u003e mode to prevent accidental machinery trips.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cspan\u003eSlot Alignment:\u003c\/span\u003e Insert the I\/O module into the full-height slot at the rear of the rack that corresponds exactly to the 3500\/40M monitor module in the front .\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cspan\u003eSeating \u0026amp; Securing:\u003c\/span\u003e Guide the module along the chassis rails until it connects firmly with the backplane connectors. Tighten the two thumb screws on the front panel.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cspan\u003eIS Grounding:\u003c\/span\u003e The 3500 rack \u003cspan\u003emust contain a 3500\/04 IS Earthing Module\u003c\/span\u003e. Ensure that the grounding fingers on the rear of the I\/O module make secure contact with the rack's IS earth bus bar.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e2. Wiring \u0026amp; Physical Separation\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cspan\u003eColor-Coded Terminals:\u003c\/span\u003e Connect hazardous area transducer field wiring to the \u003cspan\u003eBlue\u003c\/span\u003e terminals. Connect safe area output signals to the \u003cspan\u003eGreen\u003c\/span\u003e terminals.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cspan\u003e50 mm (2 in) Spacing:\u003c\/span\u003e Maintain a minimum physical distance of \u003cspan\u003e50 mm (2 inches)\u003c\/span\u003e between hazardous (intrinsically safe) wiring and non-hazardous (safe area) wiring.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cspan\u003eRouting Path:\u003c\/span\u003e Route hazardous area wiring upward into the upper wiring troughs and safe area wiring downward into the lower wiring troughs to prevent cross-contamination of signals.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e🛒 Procurement Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eNo Bussed Transducers:\u003c\/strong\u003e Internal barrier I\/O modules \u003cspan\u003edo not support\u003c\/span\u003e bussed transducers (shared power lines). Each transducer must be wired independently.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eEnclosure Depth Requirements: \u003c\/strong\u003eInternal barrier modules are deeper than standard I\/O modules. They \u003cspan\u003ecannot fit into standard 400 mm deep cabinets\u003c\/span\u003e. A minimum cabinet depth of \u003cspan\u003e600 mm\u003c\/span\u003e or a Bulkhead\/Panel-mount housing is required.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eSlot Count Reduction:\u003c\/strong\u003e Installing the mandatory 3500\/04 IS Earthing Module consumes one dedicated I\/O slot. This reduces the maximum number of available monitor slots in a standard 19-inch rack \u003cspan\u003efrom 14 down to 13\u003c\/span\u003e.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eInternal Terminations Only: \u003c\/strong\u003eThis specific model (-04) features internal screw terminals. It \u003cspan\u003ecannot be used\u003c\/span\u003e with External Termination Blocks (ETBs) or pre-fabricated cables.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eTemperature Restrictions: \u003c\/strong\u003eRacks equipped with internal barriers have a narrower operating temperature range of \u003cspan\u003e0°C to +65°C\u003c\/span\u003e (32°F to +150°F), compared to the standard -30°C lower limit. Ensure proper cabinet ventilation.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666863583595,"sku":"135489-04","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-135489-04-i-o-module-with-internal-barriers-and-internal-terminations-pfud1qtzn2t_898c93e6-a81e-4c17-af39-a2ae95a5f4a2.jpg?v=1765449377","url":"https:\/\/www.plcprotech.com\/products\/bently-nevada-135489-04-3500-40m-proximitor-i-o-module-with-internal-barriers","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}