{"product_id":"bently-nevada-3500-32-125720-01-relay-i-o-module","title":"Bently Nevada 3500\/32 125720-01 Relay I\/O Module","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3500\/32 (125720-01)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-integrity 4-channel relay I\/O module designed for the 3500 Machinery Protection System developed by Bently Nevada. This module provides the physical relay contacts required to execute emergency shutdown commands and activate local or remote alarm systems in critical machine protection applications.\u003c\/p\u003e\n\u003cp\u003eUnlike high-density relay output modules, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e125720-01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis optimized for localized high-current switching and hard-wired interlock protection logic. Each relay channel can be independently programmed using 3500 Rack Configuration Software to respond to complex\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAND \/ OR\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003evoting logic conditions derived from any monitor module within the protection rack.\u003c\/p\u003e\n\u003cp\u003eTo ensure long-term reliability in harsh industrial environments, each relay channel is epoxy-sealed and protected with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e250 Vrms arc suppression components\u003c\/strong\u003e, reducing contact wear during inductive load switching. The module also includes onboard configuration switches that allow selection between\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eNormally Energized (fail-safe)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eNormally De-energized\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erelay operation on a per-channel basis.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eItem\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\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e125720-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003e4-Channel Relay I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Configuration\u003c\/td\u003e\n\u003ctd\u003e4 Independent SPDT Relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Life\u003c\/td\u003e\n\u003ctd\u003e100,000 cycles @ 5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArc Suppression\u003c\/td\u003e\n\u003ctd\u003e250 Vrms protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Support\u003c\/td\u003e\n\u003ctd\u003eAND \/ OR alarm voting logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Indicators\u003c\/td\u003e\n\u003ctd\u003eOK, TX\/RX, Channel Alarm LEDs\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e241 mm × 24.4 mm × 99.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.40 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eApplication Scenarios\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3500\/32 (125720-01)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis widely used in:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003ePower generation turbine protection systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOil and gas processing facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePetrochemical and chemical plants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompressor and large motor protection systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTypical applications include driving:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eFuel shutoff solenoids\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMotor starter interlocks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEmergency shutdown (ESD) circuits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLocal annunciator alarm panels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe module can be installed in any rack slot located to the right of the Rack Interface Module (RIM), making it highly flexible for system expansion.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I configure relays to trip only when two sensors alarm simultaneously?\u003c\/strong\u003e\u003cbr\u003eYes. The module supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAND logic voting\u003c\/strong\u003e, allowing a relay to activate only when multiple sensor channels simultaneously reach danger alarm thresholds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do the LED indicators help with troubleshooting?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOK LED\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— Confirms module internal health\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTX\/RX LED\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— Verifies backplane communication integrity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChannel Alarm LEDs\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— Provide visual confirmation when a relay output is activated\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":48746751656188,"sku":"3500\/32M 125720-01","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/350060_133835-011_86aba117-164c-4a23-81e6-6b8baca1fcdf.jpg?v=1772435089","url":"https:\/\/www.electronicplc.com\/products\/bently-nevada-3500-32-125720-01-relay-i-o-module","provider":"Electronic PLC","version":"1.0","type":"link"}