Bently Nevada 176449-01

Ordering Information

Proximitor Monitor

3500/40M-AA-BB

A: I/O Module Type

01 Proximitor I/O Module with Internal Termination

02 Proximitor I/O Module with External Terminations

03  Proximitor I/O Module with Internal Barriers and Internal Terminations

B: Hazardous Area Approval Option

00  None

01  cNRTLus (Class 1, Division 2)

02  ATEX / IECEx / CSA (Class 1, Zone 2)

Technical Parameters

Channels: 4 proximity-probe inputs for Bently Nevada 176449-01

Probe Excitation: –23 V DC @ 12 mA per channel

Input Range: 0–50 V p-p probe output

Signal Conditioning:

Internal 1 kΩ terminations in Bently Nevada 176449-01

Programmable gain (×1, ×2, ×5)

Field-selectable filter bands (1×, 2×, broadband)

Digitization: 16-bit ΔΣ ADC, simultaneous per channel

Data Output: Time-stamped digital clearance & vibration data over 3500 backplane bus

Diagnostics: Probe-presence, open/short-circuit, over-range detection

Isolation: ≥ 1 kV channel-to-chassis

Power: 24 V DC via backplane, ≤ 4 W

Operating Temp: 0 °C – 70 °C; Humidity up to 95 % RH non-condensing

Product function

Conditions, linearizes, and digitizes probe signals via Bently Nevada 176449-01 into precision clearance and vibration metrics. Provides real-time data for imbalance analysis, orbit plotting, and threshold-based alarm/trip decisions within the 3500/3700 protection system.

Application Areas

Turbine Bearing Clearance & Vibration Monitoring: Critical shaft protection with Bently Nevada 176449-01

Compressor Surge & Stability Control: Real-time feedback for control algorithms

Pump/Motor Imbalance Detection: Early fault identification

Generator Shaft-Position & Rub Detection: Precision monitoring using Bently Nevada 176449-01 OEM Skid & Test-Rig Instrumentation: Compact solutions in packages featuring Bently Nevada 176449-01