{"product_id":"bently-nevada-125744-02-rs422-serial-i-o-module-3500-series","title":"Bently Nevada 125744-02 RS422 Serial I\/O Module 3500 Series","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBently Nevada 125744-02\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a rear-mounted serial I\/O module designed for integration with the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3500\/92 Communication Gateway\u003c\/strong\u003e. This module provides a dedicated\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRS422 interface\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor high-speed, point-to-point serial communication, enabling reliable transmission of machinery data, status, and event logs to external systems such as PLCs or DCS.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eRS422 4-wire interface for full-duplex communication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuilt-in internal termination resistors to prevent signal reflections and simplify wiring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDifferential signaling for enhanced noise immunity in high-interference industrial environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports long-distance data transmission up to 1,200 meters (4,000 feet)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfigurable baud rates up to 38.4 kbps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e500 Vdc galvanic isolation from the rack for added system protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible exclusively with the 3500\/92 Communication Gateway Main Module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDirect connection from a 3500 rack to DCS, PLC, or other external monitoring systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLong-distance, high-integrity serial links in turbine, compressor, and generator monitoring systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial environments with high EMI or electrical noise\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eComparison with Related Modules\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e125736-01: Multi-protocol module configurable for RS232 or RS422\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e125744-02: Dedicated\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRS422 module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith internal termination optimized for high-integrity point-to-point communication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\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\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eRS422 (4-wire)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTermination\u003c\/td\u003e\n\u003ctd\u003eInternal (built-in resistors)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocol\u003c\/td\u003e\n\u003ctd\u003eModbus RTU \/ ASCII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rates\u003c\/td\u003e\n\u003ctd\u003eUp to 38.4 kbps (configurable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e500 Vdc galvanic isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003eTypically 9-pin D-sub or terminal block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-30°C to +65°C (-22°F to +150°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C (-40°F to +185°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003eUp to 95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eRear-mounted in Bently Nevada 3500 rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eApprox. 4.75 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.36 kg (shipping weight 3 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the main function of Bently Nevada 125744-02?\u003c\/strong\u003e\u003cbr\u003eIt serves as a dedicated RS422 serial interface module for exporting 3500 rack data to external monitoring systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used for long-distance communication?\u003c\/strong\u003e\u003cbr\u003eYes, RS422 differential signaling allows reliable data transfer up to 1,200 meters (4,000 feet).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it support full-duplex communication?\u003c\/strong\u003e\u003cbr\u003eYes, this module supports full-duplex operation, enabling simultaneous data transmission and reception.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does internal termination benefit the system?\u003c\/strong\u003e\u003cbr\u003eInternal termination ensures proper impedance matching, prevents signal reflections, and simplifies installation by removing the need for external resistors.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44135525122147,"sku":"125744-02","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/BENTLYNEVADA125744-02.jpg?v=1776911513","url":"https:\/\/precisemodule.com\/products\/bently-nevada-125744-02-rs422-serial-i-o-module-3500-series","provider":"Precise Module Ltd.","version":"1.0","type":"link"}