3500/40-02-01 Bently Nevada Proximitor Monitor

The Bently Nevada 3500/40-02-01 is a Proximitor Monitor configuration for the 3500 Machinery Protection System. It accepts signals from up to four proximity transducers, conditions the incoming signals, and provides vibration and shaft-position measurements for machinery monitoring. The module also compares measured values against user-programmable alarm settings to support equipment protection and condition monitoring.

Key Functions

The monitor processes proximity transducer signals and supports configurable monitoring functions through the 3500 Rack Configuration Software. Depending on the channel configuration, these functions include:

• Radial vibration monitoring
• Thrust position monitoring
• Eccentricity monitoring
• Differential expansion monitoring
• REBAM monitoring

Furthermore, each channel can be configured for a specific monitoring function. The conditioned measurements are evaluated against programmed alarm settings, allowing the rack to identify conditions that exceed configured limits.

Input and Signal Processing

The module accepts between one and four proximity transducer signals. Its standard I/O input impedance is 10 kOhm. In addition, the monitor provides a -24 VDC transducer power supply for the connected proximity transducers.

The signal-conditioning stage applies the configured measurement and filtering functions. This allows the monitor to process different shaft vibration and position parameters according to the selected channel configuration.

Buffered Transducer Outputs

Each channel provides a dedicated coaxial connector on the front panel for buffered transducer output. These outputs allow technicians to access the transducer signal for external monitoring or diagnostic measurements.

Furthermore, each output connector includes short-circuit protection. The specified output impedance is 550 Ohm.

Technical Specifications

Ordering Configuration

The model suffix identifies the I/O module type and hazardous-area approval option.

Therefore, the 3500/40-02-01 configuration specifies an external-termination I/O module with cNRTLus Class 1, Division 2 approval.

Frequently Asked Questions

Q: How many proximity transducers can the 3500/40-02-01 accept?

A: The monitor accepts between one and four proximity transducer signals. Each channel can be configured for a supported vibration or position measurement function.

Q: What is the difference between the 02 and 01 suffixes?

A: The 02 suffix identifies the Proximitor I/O Module with External Terminations. The 01 suffix identifies the cNRTLus hazardous-area approval option for Class 1, Division 2.

Q: Does the module provide buffered transducer outputs?

A: Yes. Each channel has one front-panel coaxial output connector. The outputs have a 550 Ohm impedance and short-circuit protection.