{"product_id":"bently-nevada-3500-33-03-00-149992-03-low-current-16-channel-relay-output-module","title":"Bently Nevada 3500\/33-03-00 149992-03 Low Current 16-Channel Relay Output Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 3500\/33-03-00 149992-03\u003c\/strong\u003e is a full-height 16-channel relay output module designed to provide advanced programmable safety voting and alarm drive logic for the \u003cstrong\u003e3500 Series Machinery Protection System\u003c\/strong\u003e. As a factory-configured low-current assembly, the \u003cstrong\u003e3500\/33-03-00 149992-03\u003c\/strong\u003e features specialized gold-plated relay contacts engineered specifically to ensure maximum contact integrity and prevent surface oxidation in low-power signaling applications. Each of its sixteen independent outputs possesses dedicated \u003cstrong\u003eAlarm Drive Logic\u003c\/strong\u003e, allowing operators to program complex combinational AND\/OR logic gates utilizing alert, danger, or Not-OK statuses gathered from any vibration, position, or temperature monitor module across the rack. This combined hardware and software solution serves as a highly reliable, hardware-voted emergency trip bridge between critical plant rotating assets and external Distributed Control Systems (\u003cstrong\u003eDCS\u003c\/strong\u003e), programmable logic controllers (\u003cstrong\u003ePLC\u003c\/strong\u003e), or Emergency Shutdown Systems (\u003cstrong\u003eESD\u003c\/strong\u003e).\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete integrated 16-channel safety relay assembly consisting of the \u003cstrong\u003e3500\/33-03-00\u003c\/strong\u003e system code and the \u003cstrong\u003e149992-03\u003c\/strong\u003e gold-contact main processor board.\u003c\/li\u003e\n\u003cli\u003eOnboard gold-plated contacts optimized for highly stable low-voltage and low-current circuit switching.\u003c\/li\u003e\n\u003cli\u003eHighly flexible \u003cstrong\u003eAlarm Drive Logic\u003c\/strong\u003e matrix supporting customized voting schemes based on multi-channel alert and danger variables.\u003c\/li\u003e\n\u003cli\u003eLive-swap hot-pluggable architecture enabling seamless physical card replacement without disturbing adjacent online machinery protection loops.\u003c\/li\u003e\n\u003cli\u003eIndividual hardware switch assignments on the circuit board allowing independent Normally Energized (\u003cstrong\u003eNE\u003c\/strong\u003e) or Normally De-energized (\u003cstrong\u003eNDE\u003c\/strong\u003e) configuration per relay.\u003c\/li\u003e\n\u003cli\u003eClear front-panel LED diagnostics providing real-time visual assessment of module health (OK), backplane communication bus activity (TX\/RX), and individual channel alarm states.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLow-current alarm link interfaces connecting heavy rotating machinery protection racks to industrial PLCs and safety controllers.\u003c\/li\u003e\n\u003cli\u003eDistributed logic voting and automated emergency shutdown mapping for high-criticality steam turbines, gas turbines, and compressors.\u003c\/li\u003e\n\u003cli\u003eMulti-point protective trip signaling inside demanding petrochemical facilities, oil refineries, and power generation stations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOrdering Code \/ Component Part Number\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3500\/33-03-00\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16-Channel Relay Module complete assembly with Low Current Relays, No Agency Approvals.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eA: 03\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLow Current Relay Module option (utilizes Output Module with Gold Contacts).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eB: 00\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAgency Approval Option: None.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e149992-03\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eMain Board Component:\u003c\/strong\u003e Low Current 16-Channel Relay Main Module with Gold-Plated Contacts.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter Category\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBently Nevada (Baker Hughes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCombined Designation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3500\/33-03-00 149992-03\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16-Channel Relay Module (Low Current Gold Variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.8 Watts typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelay Contact Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle-pole, double-throw (SPDT) \/ Gold-plated contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Contact Load\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 V, 1 mA minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Contact Load\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 Vdc at 2 A resistive \/ 48 Vdc at 0.2 A resistive \/ 125 Vdc at 0.1 A resistive \/ 250 Vac at 2 A resistive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContact Operation Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOnboard switch-selectable for Normally De-energized (NDE) or Normally Energized (NE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-30 degC to +65 degC (-22 degF to +150 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 degC to +85 degC (-40 degF to +185 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMain Card Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e241.3 mm x 24.4 mm x 241.8 mm (9.50 in x 0.96 in x 9.52 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eI\/O Card Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e241.3 mm x 24.4 mm x 99.1 mm (9.50 in x 0.96 in x 3.90 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMain Module Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.82 kg (1.8 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eI\/O Module Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.41 kg (0.9 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cp\u003eThe diagnostic readouts on the front and the physical terminations on the rear facilitate distinct interface tracking:\u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eComponent Identifier\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunctional Description \/ Assignment\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOK LED\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFront panel health light; remains solid green when internal software algorithms process normally.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTX\/RX LED\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFront panel communication light; flashes rapidly to indicate active digital backplane traffic.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCHALRM LEDs (1 - 16)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChannel status lights; independent LEDs illuminate directly to show when a specific relay channel is tripped.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRear Terminal Block Contacts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eI\/O backplane connection pins grouping Common (COM), Normally Open (NO), and Normally Closed (NC) lines.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelay Mode Toggles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePhysical multi-position dual-throw onboard switches assigning individual channel states to NDE or NE.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRack Positioning:\u003c\/strong\u003e Slide the complete \u003cstrong\u003e3500\/33-03-00 149992-03\u003c\/strong\u003e module assembly into any available full-height slot located strictly to the right of the Transient Data Interface (\u003cstrong\u003eTDI\u003c\/strong\u003e) module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear Alignment:\u003c\/strong\u003e Secure the corresponding 16-channel internal termination input\/output module (such as 149986-01) into the matching rear slot directly behind the main card.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnboard Switch Configuration:\u003c\/strong\u003e Adjust the internal physical toggle switches to determine the required Normally Energized or Normally De-energized status for each channel before sliding the board into the live slot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoop Voltage Verification:\u003c\/strong\u003e Confirm that the downstream instrumentation loops comply strictly with low-voltage and low-current constraints; introducing heavy inductive or high-power loads will destroy the gold-plated contact surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic Deployment:\u003c\/strong\u003e Open the system rack software suite to map and download the intended AND\/OR safety voting matrix into the module non-volatile memory prior to system testing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEMC Directives:\u003c\/strong\u003e European Community Directive 2014\/30\/EU (EMC Directive).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEMC Standards:\u003c\/strong\u003e EN 61000-6-2 (Industrial Immunity), EN 61000-6-4 (Industrial Emissions).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Safety:\u003c\/strong\u003e Low Voltage Directive 2014\/35\/EU, EN 61010-1 Standard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Directive:\u003c\/strong\u003e 2011\/65\/EU European Compliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazardous Area Approvals:\u003c\/strong\u003e cNRTLus Class I, Zone 2: AEx\/Ex nA nC ic IIC T4 Gc \/ Class I, Division 2, Groups A, B, C, and D (T4 @ Ta = -20 degC to +65 degC).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eATEX\/IECEx Approvals:\u003c\/strong\u003e II 3 G Ex nA nC ic IIC T4 Gc \/ Ex ec nC ic IIC T4 Gc.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the functional relationship between the 3500\/33-03-00 code and the 149992-03 part number?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e3500\/33-03-00\u003c\/strong\u003e represents the complete factory ordering model number specifying a 16-channel relay system configured for low-current applications, while the \u003cstrong\u003e149992-03\u003c\/strong\u003e is the exact manufacturer part number printed on the physical low-current main processor board included in that specific combination.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is gold plating critical for the contacts on this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGold plating is vital for low-current circuitry (down to 1 V, 1 mA) because standard silver contacts develop surface oxidation layers over time under low electrical loads, whereas gold resists tarnish to guarantee a clean connection path.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I perform a hot-swap on this module while machinery monitoring is actively running?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the unit features a fully hot-swappable architecture, allowing maintenance teams to remove or insert the card into the slot without disconnecting power or causing signal drops on adjacent monitor channels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes a single order of this product supply both the front processor and the rear terminal board?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen purchased as a complete surplus or spare assembly assembly under these factory specifications, it typically denotes the main card; ensure you verify whether your specific system panel requires the matching 149986-01 rear internal termination block as well.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666865549675,"sku":"3500\/33-03-00 149992-03","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-3500-33-03-00-149992-03-spare-16-channel-low-current-relay-output-module-mybdn1u1yaf_20bc0d4c-1b25-4073-ac9e-559a8b4766c0.jpg?v=1765449433","url":"https:\/\/www.plcprotech.com\/products\/bently-nevada-3500-33-03-00-149992-03-low-current-16-channel-relay-output-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}