Overview
The Bently Nevada 3500/45-01-00 Position Monitor delivers precise machinery position monitoring with four input channels. It accepts signals from proximity transducers, rotary position transducers (RPTs), DC LVDTs, AC LVDTs, and rotary potentiometers. The monitor continuously conditions and evaluates these signals, triggering alarms based on user-programmed thresholds.
Primary Purpose
The 3500/45 Position Monitor ensures both machine protection and operational insight:
- Continuously compares monitored parameters against configured alarm setpoints to safeguard equipment.
- Provides essential position information for operations and maintenance personnel.
Front Panel Indicators
- OK LED: Confirms proper operation of the monitor.
- TX/RX LED: Shows active communication with other modules in the 3500 rack.
- Bypass LED: Illuminates when the monitor enters Bypass Mode.
Transducer Power Supply
| Transducer Type | Supply Voltage |
|---|---|
| Proximitor / RPT | -24 Vdc |
| DC LVDT | +15 Vdc |
| AC LVDT | 2.3 Vrms 3400 Hz sine wave |
| Rotary Potentiometer | -12.38 Vdc |
Recorder Outputs
| Parameter | Specification |
|---|---|
| Output Range | +4 to +20 mA proportional to full-scale |
| Voltage Compliance | 0 to +12 Vdc across load |
| Load Resistance | 0 to 600 Ω |
| Resolution | 0.3662 µA per bit |
| Accuracy | ±0.25% at room temperature, ±0.7% over full temperature range |
| Update Rate | ≤100 ms |
Physical Specifications
| Component | Dimensions (mm/in) | Weight (kg/lb) |
|---|---|---|
| Monitor Module (Main) | 241.3 × 24.4 × 241.8 mm (9.50 × 0.96 × 9.52 in) | 0.91 kg (2.0 lb) |
| I/O Module | 241.3 × 24.4 × 99.1 mm (9.50 × 0.96 × 3.90 in) | 0.20 kg (0.44 lb) |
Rack Space Requirements
- Monitor Module: Requires 1 full-height front slot in 3500 system rack.
- I/O Modules: Require 1 full-height rear slot for proper connections.
Ordering Information
Product Code: 3500/45-01-00
- 3500/45: Position Monitor
- -01: Position I/O Module with Internal Terminations (Proximitor, RPT, DC LVDT)
- -00: No agency approval required
Product Origin, Dimensions & Weight
- Origin: USA
- Monitor Module Dimensions: 241.3 × 24.4 × 241.8 mm
- Monitor Module Weight: 0.91 kg
Details
| Weight | 0.91 kg |
|---|---|
| Dimensions | 241.3 × 24.4 × 241.8 mm |
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