Excellent PLC
Product Overview
The Bently Nevada 3500/42-02-00 Proximitor Seismic Monitor is an advanced dual-channel module designed for continuous monitoring of shaft vibration, position, and seismic measurements in critical rotating machinery. Engineered for integration into the 3500 Series Machinery Protection System, it offers high-accuracy measurement, configurable alarm setpoints, and real-time diagnostics to ensure machinery health and operational reliability.
Product Parameters
| Parameter | Specification |
|---|---|
| Model | 3500/42-02-00 |
| Channels | 2 independent |
| Measurement Types | Proximity (shaft position/vibration), Seismic (velocity/acceleration) |
| Input Signal | Proximitor® sensor or seismic transducer |
| Frequency Response | Configurable per application |
| Alarm Setpoints | 2 per channel (Alert & Danger) |
| Outputs | 4-20 mA proportional to measured variable, buffered transducer signals |
| Communication | Via 3500 rack to System 1® software |
| Power Supply | From 3500 rack |
| Mounting | 3500 Series rack slot |
| Dimensions (H × W × D) | 241.3 × 24.4 × 241.8 mm |
| Weight | 0.91 kg |
| Operating Temperature | –30°C to +65°C |
| Certifications | CE, CSA, ATEX (varies with configuration) |
Applications
-
Turbomachinery Protection – Continuous monitoring of large steam and gas turbines.
-
Compressor Vibration Tracking – Detecting imbalance, misalignment, and surge conditions.
-
Generator and Motor Monitoring – Ensuring rotor stability and preventing bearing failures.
-
Seismic Motion Detection – Monitoring foundation and structural vibration for critical process equipment.
Advantages
-
High Accuracy – Precision measurement for early fault detection.
-
Flexible Configuration – Supports both proximitor and seismic sensors.
-
Integrated Protection – Direct interface with the 3500 rack for trip and shutdown logic.
-
Comprehensive Diagnostics – Enables condition-based maintenance via System 1® software.
-
Proven Reliability – Field-tested in harsh industrial environments.
FAQ
-
What is the primary function of the 3500/42-02-00?
It measures shaft vibration, position, or seismic motion for machinery protection. -
Can it monitor two machines at once?
Yes, its two channels can be assigned to separate sensors or machines. -
Which sensors are compatible?
Compatible with Bently Nevada Proximitor® sensors and seismic velocity or acceleration transducers. -
Does it require external power?
No, it draws power from the 3500 rack. -
How are alarms triggered?
Configurable Alert and Danger setpoints per channel trigger rack alarms and relay actions. -
Is it suitable for hazardous areas?
Yes, with appropriate certified sensors and rack modules. -
How is data accessed?
Through the 3500 rack outputs, buffered BNC connectors, and System 1® software. -
What is the typical frequency range?
Configurable, depending on sensor type and application requirements. -
Can it output a 4-20 mA signal?
Yes, each channel provides a proportional 4-20 mA output. -
How is it installed?
It is inserted into a designated slot in the 3500 rack and configured via rack software.
Related Models – Same Series
| Model | Description | Channels | Measurement Type |
|---|---|---|---|
| 3500/40M | Proximitor Monitor | 2 | Position/Vibration |
| 3500/46M | Hydro Monitor | 2 | Hydro Turbine Vibration |
| 3500/44M | Aeroderivative GT Vibration Monitor | 2 | Vibration |
| 3500/50 | Keyphasor® Module | 1 | Phase Reference |
| 3500/60 | Temperature Monitor | 6 | RTD/Thermocouple |
| 3500/61 | Temperature Monitor | 6 | High-speed temp inputs |
Popular Bently Nevada Models
| Model | Description | Channels | Measurement Type |
|---|---|---|---|
| 3500/22M | Transient Data Interface | N/A | Data Acquisition |
| 3500/32M | Relay Module | N/A | Alarm Relays |
| 3500/33 | Relay Module | N/A | Control Relays |
| 3500/15 | Power Supply | N/A | Rack Power |
| 3500/34 | TMR Relay Module | N/A | Triple Redundancy Control |
| 3500/90 | Communication Gateway | N/A | Modbus/Ethernet |
