Description
Bently Nevada 3300/16-12-01-02-00-02-00 Vibration Monitor Module
The Bently Nevada 3300/16-12-01-02-00-02-00 serves as the primary 3300/16 Dual Vibration Monitor utilized to execute dual-channel vibration measurement and alarm processing across the Bently Nevada 3300 Machinery Monitoring System platforms.
The module processes two independent Proximitor-based vibration inputs, performs signal conditioning, and generates proportional analog outputs and relay-based alarm logic for each channel.
Hardware Specifications
| Parameter |
Specification |
| Model |
3300/16-12-01-02-00-02-00 |
| Brand |
Bently Nevada |
| Origin |
USA |
| Dimensions |
3300 rack module standard form factor |
| OperatingTemp |
0 degC to 65 degC |
| PowerConsumption |
7.5 W nominal |
| Input Type |
Dual channel Proximitor transducer inputs |
| Full Scale Range |
0 to 5 mils peak-to-peak (Option 12) |
| Transducer Compatibility |
3300 8 mm, 3300XL 8 mm, 7200 5 mm/8 mm systems |
| Output Signal |
4-20 mA or 1-5 VDC recorder outputs |
| Alarm Function |
Independent Alert and Danger per channel |
| Relay Type |
Hermetically sealed output relays |
| Trip Multiply |
2X trip multiply function |
| Frequency Response |
10 Hz to 1 kHz (-3 dB) |
| Accuracy |
+/-0.5% of full scale at 25 degC |
Eddy Current Probe Scaling and Signal Integrity Behavior
Configured for mechanical displacement conversion using eddy-current proximity systems, the Bently Nevada 3300/16 processes raw gap voltage variations typically centered around negative DC bias levels near -10 VDC excitation reference conditions. The internal signal chain applies linear scaling to convert probe gap modulation into engineering units of vibration amplitude (mils or micrometers).
Cross-talk suppression is implemented at the channel isolation stage to reduce electrical interference between adjacent monitoring paths within the 3300 backplane architecture. This ensures stable amplitude tracking during high-density rack operation where multiple vibration channels coexist.
Frequently Asked Questions
Q: Can the 3300/16 module channels operate independently during a single channel fault condition?
A: Yes. Each channel is electrically isolated with independent signal conditioning and alarm logic execution. A failure in one channel does not interrupt the second channel processing path.
Q: What is the behavior of trip multiply activation during overspeed conditions?
A: The trip multiply function temporarily scales alarm setpoints by a factor of 2. It is implemented at the alarm comparison stage without altering raw vibration signal scaling.
Q: Does the module support hot-swap replacement under powered rack conditions?
A: The module is designed for rack-based insertion; however, removal or insertion under power may induce transient signal interruption on connected channels and is not intended for continuous monitoring operation.
Field Installation Guidelines
The module must be installed into a compatible Bently Nevada 3300 rack slot with full backplane seating engagement. Ensure that all Proximitor sensor cabling is routed with controlled impedance and separated from high-voltage switching conductors.
Shield termination should be grounded at a single rack-side point to prevent ground loop formation. Maintain consistent channel labeling alignment between field wiring terminals and module channel numbering.
Verify that external barrier configurations (if used) are matched to intrinsic safety requirements before energizing sensor loops. After installation, perform zero-state validation to confirm stable gap voltage baseline and absence of channel drift.
