{"product_id":"3500-61-01-01-3500-series-temperature-module-bently-nevada","title":"3500\/61-01-01 3500 Series Temperature Module Bently Nevada","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003e3500\/61-01-01 Bently Nevada 3500 Series Temperature Monitor\u003c\/strong\u003e\u003c\/span\u003e delivers continuous thermal condition monitoring across high-value rotating machinery.\u003c\/p\u003e\n\u003cp\u003eMachinery protection racks utilize this 6-channel processing module to accept direct inputs from resistance temperature detectors (RTDs) and thermocouples (TCs).\u003c\/p\u003e\n\u003cp\u003eEquipped with dedicated +4 to +20 mA recorder outputs per channel, the unit transmits proportional analog signals directly to plant DCS and SCADA networks.\u003c\/p\u003e\n\n\u003cp\u003eThe integrated internal termination I\/O module ensures robust field signal processing while retaining Class 1, Div 2 hazardous location certifications.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003ePart Number Suffix \u0026amp; Configuration Breakdown\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe hierarchical tree below details the specific option code configuration for the \u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003e3500\/61-01-01\u003c\/strong\u003e\u003c\/span\u003e using MECE principles:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3500\/61\u003c\/strong\u003e — \u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003eBently Nevada Temperature Monitor with Recorder Outputs\u003c\/strong\u003e\u003c\/span\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003e01\u003c\/strong\u003e — I\/O Module Type: RTD\/TC Non-Isolated I\/O Module with Internal Terminations\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e01\u003c\/strong\u003e — Agency Approval Option: CSA\/NRTL\/C (Class 1, Division 2 Groups A, B, C, D)\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications Table\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" width=\"100%\"\u003e\n  \u003cthead\u003e\n    \u003ctr bgcolor=\"#f2f2f2\"\u003e\n      \u003cth\u003e\u003cstrong\u003eSpecification Category\u003c\/strong\u003e\u003c\/th\u003e\n      \u003cth\u003e\u003cstrong\u003eEngineering Parameter\u003c\/strong\u003e\u003c\/th\u003e\n      \u003cth\u003e\u003cstrong\u003eTechnical Value \/ Measurement\u003c\/strong\u003e\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd rowspan=\"3\"\u003e\u003cstrong\u003eSystem Identification\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eManufacturer\u003c\/td\u003e\n      \u003ctd\u003e\u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003eBently Nevada\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eModel Designation\u003c\/td\u003e\n      \u003ctd\u003e\u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003e3500\/61-01-01\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCountry of Origin\u003c\/td\u003e\n      \u003ctd\u003eMade in U.S.A.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd rowspan=\"4\"\u003e\u003cstrong\u003eInput Capabilities \u0026amp; Power\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eChannel Density \u0026amp; Types\u003c\/td\u003e\n      \u003ctd\u003e6 channels (Accepts RTD \u0026amp; Thermocouple inputs)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eInput Impedance\u003c\/td\u003e\n      \u003ctd\u003e10 MΩ per lead input\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNominal Power Consumption\u003c\/td\u003e\n      \u003ctd\u003e9 Watts nominal rating\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRTD Current Source Value\u003c\/td\u003e\n      \u003ctd\u003e925 ±15 μA @ 25°C per transducer (Single supply 4-wire \/ Dual supply 3-wire)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd rowspan=\"2\"\u003e\u003cstrong\u003eThermocouple Range Limits\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eType E, J, K, T Sensors\u003c\/td\u003e\n      \u003ctd\u003eType E (-100°C to +1000°C) | Type J (-18°C to +760°C)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eHigh Temperature Ratings\u003c\/td\u003e\n      \u003ctd\u003eType K (-18°C to +1370°C) | Type T (-160°C to +400°C)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd rowspan=\"2\"\u003e\u003cstrong\u003eRTD Supported Standards\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e100Ω Platinum (0.00385 \/ 0.00392)\u003c\/td\u003e\n      \u003ctd\u003e-200°C to +850°C (Alpha 0.00385 standard industrial recommendation)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e120Ω Nickel \u0026amp; 10Ω Copper\u003c\/td\u003e\n      \u003ctd\u003eNickel (-80°C to +260°C) | Copper 10Ω (-100°C to +260°C, 1°C resolution)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd rowspan=\"3\"\u003e\u003cstrong\u003eAnalog Recorder Outputs\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eCurrent Signal Output\u003c\/td\u003e\n      \u003ctd\u003e+4 to +20 mA proportional to channel full-scale range\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eVoltage Compliance \u0026amp; Load\u003c\/td\u003e\n      \u003ctd\u003e0 to +12 VDC range | Load resistance 0 to 600 Ω (Short-circuit protected)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOutput Resolution \u0026amp; Error\u003c\/td\u003e\n      \u003ctd\u003e0.3662 μA\/bit | ±0.15% error @ 25°C (±0.4% over full temp range)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd rowspan=\"2\"\u003e\u003cstrong\u003eSystem Accuracy \u0026amp; Indicators\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eNon-Isolated Internal Term Measurement\u003c\/td\u003e\n      \u003ctd\u003e±3°C at 25°C (±5.4°F at 77°F) accuracy threshold\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eStatus LED Diagnostics\u003c\/td\u003e\n      \u003ctd\u003eOK (System health), TX\/RX (Rack communications), Bypass (Channel bypass state)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTarget Equipment \u0026amp; Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCentrifugal Gas Compressor Bearings:\u003c\/strong\u003e Tracks radial journal and thrust bearing shoe metal temperatures continuously to detect oil film breakdown.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSteam Turbine Exhaust Hoods:\u003c\/strong\u003e Monitors casing surface thermal profiles and steam exhaust temperatures to prevent rotor differential thermal stress.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge Electric Motor Stators:\u003c\/strong\u003e Interfaces with embedded 3-wire Pt100 RTDs inside motor windings to protect against insulation breakdown during high-load operations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eAdvanced Diagnostic Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003e3500\/61-01-01\u003c\/strong\u003e\u003c\/span\u003e conditions raw microvolt and resistance changes into process variables and compares them against dual configurable setpoints (Alert and Danger thresholds).\u003c\/p\u003e\n\n\u003cp\u003eWhen integrated with 3500 System Rack Management software, channels provide differential temperature tracking across opposing thrust bearing pads.\u003c\/p\u003e\n\u003cp\u003ePlant engineers utilize these trends to identify asymmetric axial thrust loads, pad tilting faults, and cooling oil restriction before severe wipes occur.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight \u0026amp; Field Experience\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDuring a scheduled overhaul of a high-pressure boiler feed pump, a customer reported intermittent temperature spikes on channel 3 of an existing 3500 rack, triggering false alarms.\u003c\/p\u003e\n\n\u003cp\u003eOur field diagnostics revealed ground loops caused by compromised RTD shielding on an aging non-isolated terminal block.\u003c\/p\u003e\n\n\u003cp\u003eWe supplied a replacement \u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003e3500\/61-01-01\u003c\/strong\u003e\u003c\/span\u003e module and assisted the site team in verifying field lead wire resistance.\u003c\/p\u003e\n\n\u003cp\u003eBy restoring clean 925 μA excitation current across the 3-wire RTD circuit and re-terminating wires properly, temperature readings stabilized within ±0.5°C of calibrated bath references, eliminating false trips during restart.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003ePackaging, Delivery \u0026amp; Warranty Terms\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEvery \u003cspan style=\"color: #1a5276;\"\u003e\u003cstrong\u003e3500\/61-01-01\u003c\/strong\u003e\u003c\/span\u003e unit is tested and shipped in protective ESD shielding foam and original factory packaging.\u003c\/p\u003e\n\n\u003cp\u003eOrders ship within 24 to 48 hours via premium international carriers including FedEx, UPS, and DHL.\u003c\/p\u003e\n\n\u003cp\u003eAll items carry a comprehensive 12-month factory warranty covering operational performance and component reliability.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ1: What is the main functional difference between the 3500\/60 and the 3500\/61 temperature monitoring modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA1: While both modules process 6 RTD\/TC channels, the 3500\/61 provides six buffered +4 to +20 mA individual recorder outputs on the I\/O module for direct strip-chart or DCS logging, consuming slightly more power (9W vs 7W).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ2: How does the module handle line resistance compensation on 3-wire RTD field wiring setups?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA2: The module injects matched 925 μA current sources across the lead wires to measure and subtract lead resistance automatically, ensuring accurate temperature calculations at the monitoring rack.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ3: Why must engineers avoid configuring Type E thermocouples below -60°C when using isolated I\/O modules at elevated ambient temperatures?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA3: Above +35°C ambient rack temperatures, cold-junction compensation linearity degrades on isolated modules; setting ranges down to -100°C causes inaccurate signal processing despite software allowance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ4: Can a short circuit on one of the +4 to +20 mA recorder output channels cause the main temperature monitor to trip?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA4: No, the 3500\/61 recorder outputs feature short-circuit protection; external loop shorting or wiring faults will not affect internal monitor logic, alarm processing, or rack backplane safety routines.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ5: What essential pre-installation checks prevent configuration errors when replacing an existing 3500\/61 module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA5: Verify that the backplane DIP switches and 3500 Rack Configuration software match the connected sensor type (RTD vs TC curve), confirm proper terminal block seating, and ensure your vendor provides 12-month warranty coverage.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45013875982518,"sku":"3500\/61-01-01","price":217.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/3500--61_46ed47b8-1f5b-470c-b28e-ab1d55f713c6.jpg?v=1787902716","url":"https:\/\/www.plcsparehub.com\/products\/3500-61-01-01-3500-series-temperature-module-bently-nevada","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}