{"product_id":"bently-nevada-149986-01-3500-33-16-channel-relay-module","title":"Bently Nevada 149986-01 3500\/33 16-Channel Relay Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 149986-01 16-Channel Relay Module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a critical front-card component for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3500\/33 relay system\u003c\/strong\u003e, providing high-density relay outputs for alarms, annunciators, or Emergency Shutdown (ESD) interfacing. Each relay channel operates independently and can be programmed with complex voting logic, ensuring reliable response to machinery alarms while minimizing false trips.\u003c\/p\u003e\n\u003cp\u003eThis full-height module integrates seamlessly into the 3500 rack and communicates with 3500-series monitoring modules, enabling flexible and secure machinery protection configurations.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eProgrammable Relay Logic\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSupports 16 individual channels with independent voting schemes, such as 2-out-of-3 or 1-out-of-2 logic, for precise alarm and trip control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChannels can respond to alert, danger, or not-OK status from any monitor in the 3500 rack.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRelay Performance and Construction\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eUses\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSPDT (Form C)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erelays for versatile wiring options.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEpoxy-sealed relays ensure consistent operation under high humidity and dusty industrial conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuilt-in arc suppression (250 Vrms) protects contacts and extends module lifespan.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOperation Modes and Safety\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eChannels organized in four groups of four, each switch-selectable for Normally Energized (NE) or Normally De-energized (NDE) operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFail-safe configurations maintain alarm integrity in the event of a power loss.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostics and Visual Indicators\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eFront-panel LEDs provide real-time status:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOK LED\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor module 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\u003efor rack communication activity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChannel Alarm LEDs\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eindicate active relay alarm states.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eModular and Hot-Swappable\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eThe front module is easily accessible for maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHot-swappable design allows replacement without powering down the entire 3500 rack, minimizing system downtime.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth align=\"left\"\u003eFeature\u003c\/th\u003e\n\u003cth align=\"left\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003ePart Number\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e149986-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eModule Type\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e16-Channel Relay Module (Front Card)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eCompatible System\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eBently Nevada 3500 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eRelay Type\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eSPDT (Form C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eContact Rating\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e5 A @ 24 Vdc \/ 5 A @ 240 Vac (Resistive)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eMax Switched Voltage\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e250 Vac \/ 125 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eContact Life\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e100,000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e-30°C to +65°C (-22°F to +150°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003ePower Consumption\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e5.8 Watts (Typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eMounting\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eFull-Height 3500 Rack Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eLEDs\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eOK, TX\/RX, and Channel Alarm Indicators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eRequires a corresponding rear I\/O module (e.g.,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e149992-01\u003c\/strong\u003e) for physical wiring connections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure proper system configuration and monitor compatibility before hot-swapping.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDrives plant alarms, sirens, and ESD interfaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfigurable for industrial machinery protection systems including turbines, compressors, and rotating equipment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated with Bently Nevada 3500-series monitors for real-time trip and alert logic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can all channels be independently programmed?\u003c\/strong\u003e\u003cbr\u003eA: Yes, each of the 16 channels can be set with unique voting logic and alarm thresholds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the module compatible with hot-swapping?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it can be replaced without powering down the rack, provided the system is in a safe state.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What environmental conditions can it handle?\u003c\/strong\u003e\u003cbr\u003eA: Fully rated for -30°C to +65°C and 95% non-condensing humidity.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44116920303715,"sku":"149986-01","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/BENTLYNEVADA149986-01.jpg?v=1776145562","url":"https:\/\/precisemodule.com\/products\/bently-nevada-149986-01-3500-33-16-channel-relay-module","provider":"Precise Module Ltd.","version":"1.0","type":"link"}