{"product_id":"bently-nevada-176449-08-3500-series-rod-position-monitor-i-o-module","title":"Bently Nevada 176449-08 3500 Series Rod Position Monitor I\/O Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eTo track the exact dynamic displacement of piston rods in reciprocating compressors, the \u003cstrong\u003eBently Nevada 176449-08\u003c\/strong\u003e functions as a highly specialized I\/O module within the 3500 Machinery Protection System. This module interfaces directly with the 3500\/72M Reciprocating Compressor Rod Position Monitor, processing signal inputs from proximity probes and seismic transducers to ensure precise tracking of rod runout and position. By offering \u003cstrong\u003einternal termination\u003c\/strong\u003e capabilities, this unit simplifies cabinet wiring and eliminates the need for external termination blocks, directly improving signal integrity and reducing installation footprints in critical petrochemical and gas processing plants.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003eFour-channel input capability supporting both Proximitor and seismic transducers.\u003c\/li\u003e\n  \u003cli\u003eInternal termination architecture to streamline cabinet design and lower point-to-point wiring risks.\u003c\/li\u003e\n  \u003cli\u003eDirect backplane communication for high-speed data transmission to the main 3500 system rack.\u003c\/li\u003e\n  \u003cli\u003eDesigned for harsh industrial environments, ensuring continuous monitoring of critical reciprocating machinery.\u003c\/li\u003e\n  \u003cli\u003eHot-swappable design allows replacement of the physical I\/O card without shutting down the entire protection rack.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003eReciprocating compressor rod runout and mean position tracking.\u003c\/li\u003e\n  \u003cli\u003eCrosshead vibration measurement in high-pressure process gas systems.\u003c\/li\u003e\n  \u003cli\u003eContinuous industrial machinery health monitoring and protective tripping loops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"padding: 12px 8px; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 12px 8px; font-weight: bold;\"\u003eValue \/ Specification\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eBently Nevada (Baker Hughes)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px; font-weight: bold;\"\u003ePart Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003e176449-08\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px; font-weight: bold;\"\u003eCompatible Monitor Module\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003e3500\/72M Reciprocating Compressor Monitor\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px; font-weight: bold;\"\u003eTermination Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eInternal Termination\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px; font-weight: bold;\"\u003eInput Channels\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003e4 Channels (Proximitor \/ Seismic)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px; font-weight: bold;\"\u003ePower Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eHost rack powered (nominal backplane draw)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px; font-weight: bold;\"\u003eOperating Temperature Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003e-30 to +65 Celsius\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px; font-weight: bold;\"\u003eStorage Temperature Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003e-40 to +85 Celsius\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px; font-weight: bold;\"\u003eHumidity Limits\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003e95% non-condensing relative humidity\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eUnited States\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003e3.0 kg (6.6 lbs)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px; font-weight: bold;\"\u003ePackage Dimensions (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003e28.5 x 19.0 x 6.5 cm\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe internal termination card provides a series of dedicated terminal blocks designed for secure field-wire attachment. Below is the typical pinout configuration layout for the input channels:\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"padding: 12px 8px; font-weight: bold;\"\u003eTerminal Terminal Group\u003c\/th\u003e\n        \u003cth style=\"padding: 12px 8px; font-weight: bold;\"\u003eLabel Name\u003c\/th\u003e\n        \u003cth style=\"padding: 12px 8px; font-weight: bold;\"\u003eSignal Assignment \/ Function\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px;\" rowspan=\"3\"\u003e\u003cstrong\u003eChannel 1 Block\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003e-24V\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eTransducer Power Output (Channel 1)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eSIG\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eSignal Input (Channel 1)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eCOM\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eSignal Common (Channel 1)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px;\" rowspan=\"3\"\u003e\u003cstrong\u003eChannel 2 Block\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003e-24V\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eTransducer Power Output (Channel 2)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eSIG\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eSignal Input (Channel 2)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eCOM\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eSignal Common (Channel 2)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px;\" rowspan=\"3\"\u003e\u003cstrong\u003eChannel 3 Block\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003e-24V\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eTransducer Power Output (Channel 3)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eSIG\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eSignal Input (Channel 3)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eCOM\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eSignal Common (Channel 3)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px;\" rowspan=\"3\"\u003e\u003cstrong\u003eChannel 4 Block\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003e-24V\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eTransducer Power Output (Channel 4)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eSIG\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eSignal Input (Channel 4)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eCOM\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eSignal Common (Channel 4)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003e\u003cstrong\u003eChassis Ground\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eSHLD\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px 8px;\"\u003eShield Terminal (Internal Ring Connection to Rack Ground)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe 176449-08 is designed specifically for standard internal termination setups. It is not directly interchangeable with external termination (ET) versions (such as the 176449-01 through 176449-07 variations) unless you also replace the external terminal block and connection cables. Always verify the module suffix matched on the existing chassis slot card before installation to avoid channel mismatched configuration faults in the 3500\/72M monitor.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen utilizing this module for reciprocating rod runout measurements, ensure that the proximity probe target areas on the piston rods are completely free of surface scratches, mechanical runout, and electrical runout. Ground loops are a common source of signal distortion; transducer shields must be grounded only at the 3500 rack ground terminals on the 176449-08 I\/O card and cut back and isolated at the machine junction box.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eUse 3-wire shielded, twisted-pair cable for all transducer runs back to the I\/O module. After installation, verify the DC gap voltage utilizing the 3500 Rack Configuration Software before commissioning. An incorrect transducer setting or a misaligned physical sensor gap will trigger a \"NOT OK\" channel status light on the front panel of the corresponding 3500\/72M monitor card.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cp style=\"color: #9b2c2c; font-weight: bold; margin: 0 0 0.5rem 0;\"\u003eCRITICAL WARNING\u003c\/p\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0; font-size: 0.95rem;\"\u003eAlways verify that the 3500 monitor rack is fully de-energized or the specific monitor channel has been bypassed and bypassed outputs are locked out before inserting or removing the I\/O module. Direct hot-swapping under active process trip loops can cause catastrophic machinery shutdown signals to the Distributed Control System (DCS) or Safety Instrumented System (SIS).\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e1\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003ePower down the immediate slot or verify that the 3500\/72M monitor associated with the slot is in \"Bypass\" status.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e2\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eWear a grounded ESD wrist strap before handling the sensitive internal circuit board of the 176449-08 module.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e3\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eSlide the I\/O module into the rear slots of the 3500 chassis until the connector seating pins are securely in position.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e4\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eSecure the integrated thumbscrews tightly to ensure continuous chassis grounding and physical retention.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668309537131,"sku":"176449-08","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/176449-08-oiaw2ohsfqx_97a0c840-86fb-4948-86e9-0af87bc1f285.jpg?v=1765520799","url":"https:\/\/www.plcprotech.com\/ms\/products\/bently-nevada-176449-08-3500-series-rod-position-monitor-i-o-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}