{"product_id":"bently-nevada-285694-02-3500-61e-model-temperature-monitoring-unit","title":"Bently Nevada 285694-02 3500\/61E Model Temperature Monitoring Unit","description":"\u003cp\u003eConfigured for multi-channel thermocouple and RTD signal acquisition in the 3500 Machinery Protection System, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 285694-02\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e3500\/61E\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTemperature Monitor) provides direct physical signal processing for continuous thermal monitoring and alarm logic execution.\u003c\/p\u003e\n\u003ch3\u003eModel Identification Matrix\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003ePart Number: 285694-02\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSystem Series: 3500\/61E\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFunctional Class: Temperature Monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware 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\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3500\/61E 285694-02\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\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\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.22 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.8 cm x 28.5 cm x 23.2 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot specified\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot specified (backplane dependent)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCommunication\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEthernet Router\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical Monitoring and Signal Integration\u003c\/h3\u003e\n\u003cp\u003eThe 3500\/61E module performs high-resolution analog-to-digital conversion of temperature sensor inputs, requiring strict adherence to signal isolation standards to prevent ground loop interference. Each channel is monitored for open-circuit or short-circuit faults, which update the module's \"Not OK\" status bit. While this unit focuses on thermal data, it remains integrated within the wider 3500 rack architecture, where cross-talk suppression ensures that high-voltage machinery protection signals do not induce noise into the sensitive low-level thermocouple or RTD measurement loops.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e3500\/61E Temperature Monitor Module (285694-02)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApplicable terminal I\/O module (Internal or External termination type)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfiguration software support key (Electronic delivery)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eBackplane Integration: Ensure the module is properly keyed and fully seated in the rack slot to engage the backplane communication pins.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSensor Wiring: Utilize shielded, twisted-pair cabling for all thermocouple and RTD inputs. Terminate the shield drain wire at the rack ground stud only.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eField Termination: If using an external termination I\/O block, ensure all wiring connections meet the torque specifications provided in the installation manual to prevent intermittent signal loss.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGrounding: Establish a single-point earth ground for the 3500 rack chassis to comply with electrical safety and EMC requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the 285694-02 support hot-swapping?\u003c\/p\u003e\n\u003cp\u003eYes, the module is designed for live insertion and extraction within a powered 3500 rack, provided the rack backplane supports active module communication.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat sensor types are compatible with this module?\u003c\/p\u003e\n\u003cp\u003eThe 3500\/61E is configured to support standard thermocouple types (e.g., J, K, E, T) and 100 Ohm platinum RTDs depending on the specific I\/O module hardware.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan I replace an existing 3500\/61 with the 3500\/61E?\u003c\/p\u003e\n\u003cp\u003eCompatibility depends on the rack interface firmware and backplane configuration; verify that the 61E revision meets the system requirements before replacement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow is the temperature data transmitted to the host?\u003c\/p\u003e\n\u003cp\u003eData is transmitted over the 3500 backplane to the Rack Interface Module (RIM), which then makes the data available via Ethernet or serial protocols.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes this module require internal calibration?\u003c\/p\u003e\n\u003cp\u003eThe module is factory-calibrated; however, channel-specific offset adjustments may be performed via the configuration software during commissioning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat defines the \"Not OK\" status?\u003c\/p\u003e\n\u003cp\u003eA \"Not OK\" status is triggered by sensor burnout, lead-break detection, or internal hardware diagnostic failure detected by the module's self-test routine.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs the 3500\/61E limited to a specific number of channels?\u003c\/p\u003e\n\u003cp\u003eThe module provides 6 channels per module; channel configuration is managed through the 3500 Rack Configuration Software.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow is the cold junction compensation handled?\u003c\/p\u003e\n\u003cp\u003eThe module utilizes a dedicated internal thermistor on the terminal block to perform automated cold junction compensation for thermocouple measurements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45378087911597,"sku":"285694-02","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/bently-nevada-3500-61e-285694-02-temperature-monitor-f3g3ccfvs2b.jpg?v=1779958878","url":"https:\/\/www.maxwellplc.com\/products\/bently-nevada-285694-02-3500-61e-model-temperature-monitoring-unit","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}