Bently Nevada 3500/61E 285694-02
Bently Nevada 3500/61E 285694-02
Bently Nevada 3500/61E 285694-02
Bently Nevada 3500/61E 285694-02
Bently Nevada 3500/61E 285694-02
Bently Nevada 3500/61E 285694-02
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    Apter Power supplies verified Bently Nevada 3500 Series hardware to ensure reliable thermal monitoring, protect critical rotating equipment, and prevent unexpected plant downtime.

3500/61E 285694-02

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The Bently Nevada 3500/61E 285694-02 is a 6-channel temperature monitor with non-isolated RTD inputs, designed for precise alarm detection in 3500 ENCORE systems.
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Technical specifications for 3500/61E 285694-02

  • Manufacturer:
    Bently Nevada
  • Part Number:
    3500/61E 285694-02
  • Product Family:
    3500 System
  • Product Type:
    Temperature Monitor
  • Stock:
    1
  • Inputs Signal:
    Accepts from 1 to 6 RTD or TC transducer signals.
  • Input Impedance:
    Greater than 3 MΩ for each lead input.
  • Power Consumption:
    C Option: Nominal consumption of 6.3 watts; RTD Option: Nominal consumption of 5.6 watts.
  • Isolation:
    The isolated option has 500 Vdc of isolation between channels.
  • OK LED:
    Indicates when the 3500/61E or 3500/67E is operating properly.
  • DANGER LED:
    Indicates when the 3500/61E or 3500/67E has detected that a Danger condition and is driving the danger alarm.
  • ALERT LED:
    Indicates when the 3500/61E or 3500/67E is in Bypass Mode (alarming has been disabled on one or more channels).
  • Voltage Compliance:
    0 to +12 Vdc range across load. Load resistance is 0 to 600 Ω.
  • Resolution:
    0.3662 µA per bit ±0.15% error at room temperature ±0.4% error over temperature range.
  • Operating Temperature:
    -20 °C to +65 °C (-4 °F to +150 °F)
  • Storage Temperature:
    -30 °C to +85 °C (-22 °F to +185 °F)
  • Weight:
    0.8 kg
  • Estimated shipping dimensions:
    2.6x25.6x24.4cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Applications Firmware & Updates Temperature & Humidity Range

Features:

  • Bridge Between Temperature Sensors and 3500 Rack Backplane
  • Merges RTD/Thermocouple Signal Conditioning with Multi-Channel Monitoring
  • Functions Alongside the M Series and Standard 3500 Monitors
The 3500/61E 285694-02 operates as the Temperature Monitor Module in a 3500 rack, providing precise temperature measurement and monitoring for all connected sensors within the system. It continuously processes incoming temperature signals from RTD and thermocouple inputs and transmits conditioned data through the rack backplane to support accurate thermal state tracking of all rotating machinery components. Independent channel operation is standard with the 3500/61E, however using an optional Redundant Sensor Configuration will allow continued monitoring through backup inputs in the event of a primary sensor failure. The 3500/61E has made improvements in several areas over previous temperature module designs in addition to incorporating enhanced signal processing capability within the 3500 rack.

The 3500/61E provides essential temperature monitoring functions common to the entire rack, and is a critical component of the protection path, directly affecting the proper, normal operation of the overall monitor system. One or more 3500/61E temperature modules are required per rack depending on the desired channel count and monitoring coverage. The 3500/61E occupies a single full-height slot in the rack and can be located in any available monitor slot position.

For Multi-Point Temperature Monitoring applications, the 3500 System requires additional 3500/61E 285694-02 temperature modules installed in available rack slots. In addition to standard single module operation, the expanded configuration also performs comprehensive thermal mapping. The 3500 multi-module configuration executes coordinated monitoring using the internal circuitry specified in the module options. Using this method, the distributed temperature system continually monitors the thermal health of all channels. If the system detects that any monitored point exceeds configured alarm setpoints (outside specified temperature/tolerance levels), it will automatically trigger relay outputs and place an event in the System Event List.

The 3500/61E 285694-02 Bently Nevada Temperature Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 3500/61E 285694-02 Temperature Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Bently Nevada 3500/61E 285694-02 Temperature Module Specs

General

  • Manufacturer Bently Nevada
  • Model 3500/61E 285694-02
  • Condition New Original ready stock
  • Product Family 3500/61,3500/60,133908-01
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Legacy Upgrades: Its primary application is retrofitting existing 3300/30 and 3300/35 systems, allowing users to upgrade to the 3500 platform while utilizing existing I/O infrastructure.
  • Continuous Monitoring: Provides real-time data for high-speed machinery like gas turbines, compressors, and motors.
  • Redundancy: Suitable for Triple Modular Redundancy (TMR) configurations where high-reliability voting logic is required for auto-shutdown protection.
  • Configuration Software: All firmware updates and parameter configurations (like alarm setpoints and sensor types) are handled via the 3500 Rack Configuration Software (Version 4.0 or later).
  • Support Portal: Official firmware releases are managed through the Bently Nevada Tech Support Portal.
  • Update Precaution: When replacing older I/O modules with newer revisions, the monitor firmware must be updated to the latest version. CRITICAL: The I/O module should be removed before initiating the firmware upgrade to avoid "I/O Module Mismatch" errors.
  • Operating Temperature: Generally -20°C to +65°C (-4°F to +150°F). Some documentation for internal barrier versions limits the range to 0°C to +65°C.
  • Storage Temperature: -30°C to +85°C (-22°F to +185°F).
  • Humidity: Up to 95% non-condensing.
  • Installation Note: If the ambient temperature is expected to exceed 40°C (104°F), custom cabinet designs are recommended by Bently Nevada to ensure heat dissipation.
Description
The Bently Nevada 3500/61E 285694-02 is a high-precision 6-channel temperature monitor that accepts non-isolated Resistance Temperature Detector (RTD) inputs. It is engineered to condition incoming signals and compare them against user-programmed alarm setpoints, providing reliable and accurate monitoring for critical machinery applications. Users configure all parameters using the 3500 Rack Configuration Software for flexible and precise system integration.

Designed to work seamlessly in 3500 ENCORE Rack Upgrades of legacy 3300 Monitor Systems, the 3500/61E module is compatible with I/O modules from the 3300/30 and 3300/35 six-channel temperature monitors. Only this 6-channel module is intended for full integration into a 3500 ENCORE System rack, ensuring smooth upgrades from older systems.

The module features several status indicators for clear system feedback: the OK LED signals proper operation, the DANGER LED alerts when a danger condition is detected and driving an alarm, and the ALERT LED indicates bypass mode when alarming is disabled on one or more channels. The module supports 1 to 6 RTD transducer signals with input impedance greater than 3 MΩ per lead, ensuring precise signal measurement.

With nominal power consumption of 5.6 watts for the RTD option, voltage compliance of 0 to +12 Vdc across loads of 0–600 Ω, and a resolution of 0.3662 µA per bit (±0.15% error at room temperature, ±0.4% over temperature range), this module maintains consistent performance across an operating temperature range of -20 °C to +65 °C (-4 °F to +150 °F) and storage range of -30 °C to +85 °C (-22 °F to +185 °F).
Alternative Names
35OO/61E 285694-O2 3500/6IE 285694-02 3500/61E Z85694-0Z 3500/61E 2B5694-02 3500/61E 2856g4-02 3500-61E 285694-02 350061E 28569402
Technical notes
The Bently Nevada 3500/61E 285694-02 is a six-channel temperature monitoring module designed specifically for the 3500 ENCORE series. Its primary purpose is to ensure the safety of critical equipment while enabling a seamless upgrade from the older 3300 system to the new system. A key technological improvement in the ENCORE version is its enhanced 500 Vdc isolation between thermocouple channels, ensuring superior signal integrity and effectively resisting external electrical interference.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the warranty period for Bently Nevada 3500/61E 285694-02?
Apter Power offers a 12-month warranty covering defects and performance issues.
What does the Bently Nevada 3500/61E 285694-02 monitor?
It monitors temperature across 6 channels using non-isolated RTD inputs.
What are the LED indicators used for?
OK indicates proper operation, DANGER signals a danger condition with active alarm, and ALERT indicates bypass mode.
What is the operating temperature range of 3500/61E 285694-02?
The 3500/61E 285694-02 module operates reliably from -20 °C to +65 °C (-4 °F to +150 °F).

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