{"product_id":"bently-nevada-125768-01-rs485-serial-i-o-module-3500-series","title":"Bently Nevada 125768-01 RS485 Serial I\/O Module 3500 Series","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBently Nevada 125768-01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a rear-mounted I\/O module engineered for the 3500\/92 Communication Gateway. Designed for high-reliability industrial data acquisition, this module provides RS485 serial connectivity to link multiple 3500 racks or interface with PLCs, DCS, or SCADA systems via Modbus RTU protocol. Its integrated termination and differential signaling ensure robust, long-distance communication in electrically noisy environments.\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\u003eRS485 serial communication interface for multi-drop network configurations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports standard baud rates up to 38.4 kbps or higher depending on system setup\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDifferential signaling enhances noise immunity near motors, switchgear, or EMI-prone areas\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated termination resistors simplify installation and prevent signal reflections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e500 Vdc galvanic isolation from the rack for improved system reliability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOperating temperature range: -30°C to +65°C (-22°F to +150°F)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConnection via terminal blocks or D-sub connectors depending on configuration\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\u003eMulti-rack monitoring systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDistributed control rooms in large industrial plants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegration with PLC, DCS, or SCADA networks for vibration, position, and status data collection\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\u003e125720-01: Ethernet interface (Modbus\/TCP)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e125736-01: RS232\/RS422 serial interface (point-to-point)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e125768-01: RS485 serial interface optimized for long-distance multi-drop networks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\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\u003eRS485 (2-wire or 4-wire)\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\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e500 Vdc galvanic isolation\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\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eRear slot of 3500 rack, behind 3500\/92 Gateway\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTermination\u003c\/td\u003e\n\u003ctd\u003eInternal resistors included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rates\u003c\/td\u003e\n\u003ctd\u003eStandard rates up to 38.4 kbps or higher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnections\u003c\/td\u003e\n\u003ctd\u003eTerminal blocks or D-sub (depending on configuration)\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 function of Bently Nevada 125768-01?\u003c\/strong\u003e\u003cbr\u003eIt serves as a serial I\/O interface module for the 3500\/92 Communication Gateway, enabling RS485 multi-drop communication with PLCs, DCS, or SCADA systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it connect multiple 3500 racks on one bus?\u003c\/strong\u003e\u003cbr\u003eYes, the RS485 interface supports multi-drop network architecture for multiple racks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between 125768-01 and 125736-01?\u003c\/strong\u003e\u003cbr\u003e125736-01 uses RS232\/RS422 point-to-point communication, while 125768-01 is designed for long-distance, multi-drop RS485 networks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the operating temperature range?\u003c\/strong\u003e\u003cbr\u003e-30°C to +65°C (-22°F to +150°F).\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44135520403555,"sku":"125768-01","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/BENTLYNEVADA125768-01.jpg?v=1776910759","url":"https:\/\/precisemodule.com\/products\/bently-nevada-125768-01-rs485-serial-i-o-module-3500-series","provider":"Precise Module Ltd.","version":"1.0","type":"link"}