Bently Nevada 135489-04

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

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

02

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

Technical Parameters

Channels: 4 proximity-probe inputs (active eddy-current probes)

Probe Excitation: –23 V DC, 12 mA per channel (isolated via internal barriers)

Input Range: 0–50 V p-p probe output

Signal Conditioning:

Internal 1 kΩ probe-termination resistors for Bently Nevada 135489-04

Programmable gain and offset via rack CPU

Selectable 1×, 2× and broadband filter bands

Isolation:

Intrinsic-safety zener barriers per channel

1 kV channel-to-chassis galvanic isolation in Bently Nevada 135489-04

Alarm/Status Outputs: Digital data over 3500 backplane bus; onboard LEDs for channel-present and fault

Power: 24 V DC (18–32 V DC), ≤ 4 W module consumption

Environmental:

Operating Temp: 0 °C to +70 °C

Storage Temp: –40 °C to +85 °C

Humidity: ≤ 95 % RH, non-condensing for Bently Nevada 135489-04

Product function

Conditions eddy-current probe signals through Bently Nevada 135489-04—applying excitation, filtering, and linearization—and digitizes them into vibration and clearance data. Communicates measurements and diagnostics via the 3500 Series rack’s digital bus to the system interface module.

Core Supporting Modules

3500/65 Loss-of-Signal Module: To detect probe or cable failures

3500/01 System Interface Module: Aggregates conditioned data from Bently Nevada 135489-04 3500/03 Relay Module: Provides form-C relay outputs

3500/04 Analog-Output Module: Converts measured values to 4–20 mA loops

Proximity Probes & Cables: 3300 XL series probes compatible with Bently Nevada 135489-04