{"product_id":"149986-01-149992-01-bently-nevada-3500-33-spare-16-channel-relay-control-module","title":"149986-01 + 149992-01 Bently Nevada 3500\/33 Spare 16-Channel Relay Control Module","description":"\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e149986-01 + 149992-01 (149986-01\/149992-01)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecombination constitutes the complete 16-Channel Relay Module assembly for the Bently Nevada 3500 Series Machinery Protection System. This full-height solution consists of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e149986-01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMain Control Module and the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e149992-01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOutput Termination Module.\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-58 citation-end-58\"\u003eDesigned to provide high-density alarming capabilities, this system allows for 16 independent relay outputs that can be programmed with complex \"voting logic\" via the 3500 Rack Configuration Software.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-57 citation-end-57\"\u003eBy utilizing AND\/OR logic gates, plant engineers can trigger protective actions based on Alert, Danger, or Not-OK statuses from any monitor channel within the rack.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eThis modular relay system is a critical component for automated machinery shutdown, protecting multi-million dollar assets in power plants, refineries, and offshore platforms from catastrophic mechanical failure.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3500\/33\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esystem is designed for maximum flexibility and reliability in industrial control:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-56\"\u003e\u003c\/span\u003e\u003cstrong\u003eLogic Integration:\u003c\/strong\u003e\u003cspan class=\"citation-56 citation-end-56\"\u003e\u003cspan\u003e \u003c\/span\u003eEach of the 16 channels features independent Alarm Drive Logic, capable of processing individual measured variables or combinations of monitor channels.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-55\"\u003e\u003c\/span\u003e\u003cstrong\u003eOperational Modes:\u003c\/strong\u003e\u003cspan class=\"citation-55 citation-end-55\"\u003e\u003cspan\u003e \u003c\/span\u003eRelays are organized into four groups of four channels.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eEach group is switch-selectable for Normally De-energized (ND) or Normally Energized (NE) \"Failsafe\" operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-54\"\u003e\u003c\/span\u003e\u003cstrong\u003eStandard Contact Construction:\u003c\/strong\u003e\u003cspan class=\"citation-54 citation-end-54\"\u003e\u003cspan\u003e \u003c\/span\u003eFeatures epoxy-sealed Single-Pole Double-Throw (SPDT) relays with built-in 250 Vrms arc suppressors to ensure long-term contact integrity.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-53\"\u003e\u003c\/span\u003e\u003cstrong\u003eVisual Diagnostics:\u003c\/strong\u003e\u003cspan class=\"citation-53 citation-end-53\"\u003e\u003cspan\u003e \u003c\/span\u003eThe front panel includes high-visibility LEDs for module \"OK\" status, TX\/RX communication flashes, and individual Channel Alarm indicators for real-time troubleshooting.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBently Nevada\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e149986-01 (Control) + 149992-01 (Output)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3500\/33 Machinery Protection System\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRelay Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16-Channel SPDT (Single-Pole Double-Throw)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.8 watts typical\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax Switched Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 A (Resistive Load)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax Switched Voltage (AC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250 Vac\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax Switched Voltage (DC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e125 Vdc (Standard) \/ 30 Vdc (Failsafe\/Haz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEnvironmental Sealing\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEpoxy-sealed Relays\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Dimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e241 mm x 24.4 mm x 242 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMain Module Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.7 kg (1.6 lb)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install the 16-channel relay module in any rack slot?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3500\/33\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecan be placed in any of the slots in the 3500 rack, provided they are to the right of the Transient Data Interface (TDI) Module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the software requirements for this specific hardware?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo utilize the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e149986-01\u003c\/strong\u003e, your system must run 3500 Rack Configuration Software version 3.3 or later, and Data Acquisition Software version 2.40 or later.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is the voltage rating lower for SIL or Hazardous Area systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn Failsafe or Multiple Approval (-02) systems, the maximum switched voltage is de-rated to 30 Vdc\/Vrms to comply with ATEX and North American Zone 2 spacing requirements and 61010-1 safety type tests.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eContact Load Management\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-52\"\u003eFor standard silver contacts used in the\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e149986-01\u003c\/strong\u003e\u003cspan class=\"citation-52 citation-end-52\"\u003e, the minimum switched load is 100 mA @ 5 Vdc.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eIf your control circuit operates at lower currents (e.g., interfacing with high-impedance digital inputs), ensure you are using the Low Current (gold-plated) variant to prevent contact oxidation and intermittent signaling. For gold-plated contacts, do not exceed 5 mA to avoid damaging the plating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eArc Suppression and Inductive Loads\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the module includes standard 250 Vrms arc suppressors, we strongly recommend installing external flyback diodes (for DC) or varistors (for AC) when driving high-inductance solenoid valves. This reduces EMI and extends the relay contact life beyond the rated 10,000 cycles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Compatibility and Safety\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf this module is integrated into a Functional Safety (SIL) loop, you must strictly adhere to the restricted voltage limits specified in the safety certificate. Exceeding 30 Vdc in a hazardous area application violates the equipment's certification and may create a spark hazard. Always verify the \"Normally Energized\" vs \"Normally De-energized\" switch positions before powering the rack to prevent accidental machine trips during commissioning.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668324151659,"sku":"149986-01ÿ+149992-01","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/149986-01_149992-01-35nvljlewoh.jpg?v=1765519475","url":"https:\/\/www.plcprotech.com\/products\/149986-01-149992-01-bently-nevada-3500-33-spare-16-channel-relay-control-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}