Product Details
The Bently Nevada 3500/42M-01-01 Proximitor Seismic Monitor is a four-channel machinery protection system designed to accept inputs from proximity, velocity, or acceleration transducers. This specific configuration includes the core monitor module paired with a -01 I/O module featuring internal terminations, alongside a -01 CSA/NRTL/C hazardous area agency approval option. It conditions raw transducer signals into critical vibration and position measurements, continuously evaluating parameters against user-programmable alarm setpoints to safeguard rotating equipment.
Core Architecture and Channel Processing
The module operates within a standard Bently Nevada 3500 rack, processing up to four channels of transducer input simultaneously. Channels are configured in pairs, allowing users to execute distinct monitoring strategies—such as radial vibration, thrust position, or velocity tracking—across separate channel groups.
Input signals undergo precise filtering, including configurable high-pass, low-pass, and vector filtering options, to isolate true mechanical vibration from background noise or electrical runout. Each channel provides dedicated buffered transducer outputs on the front panel via short-circuit-protected coaxial connectors.
Alarm Management and Signal Integration
The monitor evaluates real-time data against software-configured Alert and Danger thresholds to drive relay modules and protect critical assets. In addition to discrete alarm outputs, the unit supplies proportional +4 to +20 mA current values for each channel to interface directly with external control or data recording systems.
The integrated I/O module handles field wiring termination internally, streamlining installation within industrial instrument cabinets and supporting robust signal integrity under harsh operating conditions.
Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 3500/42M-01-01 |
| Brand | Bently Nevada |
| Series | 3500/42M Proximitor Seismic Monitor |
| Number of Channels | 4 channels |
| Supported Inputs | Proximity, velocity, or acceleration transducers |
| I/O Module Type | -01 Prox/Seismic I/O Module with Internal Terminations |
| Agency Approval Option | -01 CSA/NRTL/C (Class 1, Div 2) |
| Transducer Power Supply | -24 Vdc |
| Recorder Output | +4 to +20 mA proportional to full scale |
| Current Output Load Resistance | 0 to 600 Ω (0 to +12 Vdc range across load) |
| Typical Power Consumption | 7.7 W |
Frequently Asked Questions
Q: What transducer types are supported by the 3500/42M-01-01 configuration?
A: The monitor accepts inputs from proximity, velocity, or acceleration transducers depending on software configuration and the selected channel setup.
Q: How do the recorder outputs handle short circuits in external loops?
A: Monitor operation remains completely unaffected by short circuits on the individual +4 to +20 mA recorder outputs due to built-in circuit protection.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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