Bently Nevada 140482-01

Ordering Information

Product Description

3500/42M-AA-BB

A: I/O Module Type

See I/O Module Types on page 19.

B: Hazardous Area Approval Option

00

None

01

CSA / NRTL / C (Class 1, Division 2)

02

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

Technical Parameters

Channels:

2 × proximity-probe inputs (eddy-current, 0–50 V p-p) for the Bently Nevada 140482-01

2 × velocity-transducer inputs (IEPE or ±10 V accelerometer)

Probe Excitation: –23 V DC @ ≤ 12 mA per proximity channel in the Bently Nevada 140482-01

Velocity Power: 4 mA constant-current for IEPE devices or ±10 V pass-through

Bandwidth:

Proximity: DC to 10 kHz

Velocity: 0.5 Hz to 5 kHz

Filtering & Gain:

Field-selectable band-pass filters for 1×, 2×, and broadband vibration bands

Programmable gain settings (×1 to ×10) of the Bently Nevada 140482-01 for both proximity and velocity channels

Isolation: ≥ 1 kV channel-to-chassis ground

Power Consumption: 24 V DC (18–32 V DC), ≤ 5 W total

Environmental:

Operating: 0 °C to +70 °C

Storage: –40 °C to +85 °C

Humidity: up to 95 % RH, non-condensing for Bently Nevada 140482-01

Product function

Integrated Conditioning: Simultaneously conditions shaft-position and vibration-velocity signals through Bently Nevada 140482-01, applying excitation, amplification, filtering, and linearization.

Digital Conversion: Converts analog signals to digital data on the 3500 backplane bus for real-time monitoring.

Diagnostics: Monitors input-health and reports fault flags via Bently Nevada 140482-01.

Application Areas

Turbine Overspeed & Trip Protection: Detects shaft position with Bently Nevada 140482-01 for clearance monitoring and vibration detection.

Compressor Surge Detection: Uses velocity channels to sense flow-induced vibration.

Generator Bearing Monitoring: Monitors bearing clearance and vibration.

Heavy Machinery Health Monitoring: Ideal for plants using Bently Nevada 140482-01 requiring consolidated diagnostics.