Bently Nevada

Bently Nevada 1440-SDM02-01RA XM Series Standard Dynamic Measurement Module

SKU 1440-SDM02-01RA

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: Bently Nevada

  • Product No.: 1440-SDM02-01RA

  • Country of origin:United States

  • Product Type: Standard Dynamic Measurement Modules

  • Payment: T/T, Western Union

  • Weight: 320g

  • Dimensions: 9.7 x 9.4 x 9.4 cm

  • Shipping port: Xiamen

  • Warranty: 12 months

Description

Engineered for real-time vibration monitoring and machinery protection, the Bently Nevada 1440-SDM02-01RA (XM-124) processes high-frequency dynamic signals from proximity probes, accelerometers, and velocity sensors. This compact, DIN-rail mounted module operates as an intelligent distributed node within industrial machinery protection networks, transforming raw transducer inputs into actionable status, alarm, and trend data. Built for demanding heavy industrial environments, it features dual-channel flexibility and native integration capabilities with modern control architectures.

Features

  • Dual Dynamic Inputs: Two fully independent channels configurable for eddy current transducer signals, accelerometers, or standard dynamic voltage signals.
  • Integrated Transducer Power: Internal constant voltage source (24V DC / -24V DC at 40 mA) and constant current (4.5 mA IEPE) support to eliminate external sensor power requirements.
  • Dedicated Tachometer Input: High-resolution tachometer channel processing speeds from 1 up to 1,200,000 RPM (0.0167 to 20,000 Hz) with an input impedance exceeding 120 kOhm.
  • Isolated Analog Outputs: Two individually programmable 4 to 20 mA analog outputs designed to transmit measured parameters directly to PLCs, DCSs, or local indicators.
  • Robust Network Integration: Native communication capabilities allow seamless parameter configuration, live diagnostics, and real-time spectrum analysis.

Applications

  • Industrial steam and gas turbine shaft vibration and axial position monitoring.
  • High-speed centrifugal and reciprocating compressor diagnostics.
  • Hydroelectric generator runner-band clearance and structural vibration tracking.
  • Heavy-duty gearbox, cooling tower fan, and rotating blower machine protection.

Technical Specifications

Parameter Specification Values
Manufacturer Bently Nevada (Baker Hughes)
Model Number 1440-SDM02-01RA (XM-124)
Input Channels 2 Dynamic Channels + 1 Dedicated Tachometer Channel
Dynamic Voltage Range -20 to 0V DC, -10 to 10V DC, 0 to 20V DC
Input Impedance Greater than 100 kOhm (Dynamic Inputs)
Tachometer Input Range 1 to 1,200,000 RPM (0.0167 to 20,000 Hz)
Analog Outputs Dual isolated 4 to 20 mA (300 Ohm maximum loop load)
Power Supply Requirements 24V DC nominal, 350 mA (Requires Class 2 / SELV / PELV supply)
Maximum Power Dissipation 8.7 Watts
Dimensions (H x W x D) 9.7 x 9.4 x 9.4 cm (3.8 x 3.7 x 3.7 in)
Module Weight 0.172 kg (0.38 lbs)
Terminal Base Weight 0.172 kg (0.38 lbs)
Shipping Weight (Calculated) 1.50 kg (3.30 lbs)
Country of Origin United States of America (USA)

Empirical Engineering Insights

Alternative Models & Compatibility

The 1440-SDM02-01RA (XM-124) module functions within the broader Allen-Bradley and Bently Nevada XM Series framework. When replacing legacy XM-124 hardware revisions, verify the serial configuration firmware matches your existing software profile. Note that while this module provides raw dynamic processing, high-level visualization and spectrum capture often require the XM Serial Configuration Utility or compatible network scanners (such as DeviceNet interfaces) for deep diagnostic parsing.

Application Pitfalls & Engineering Notes

To prevent thermal drift in high-density installations, avoid mounting the modules directly adjacent to high-dissipation heat sources (such as large industrial power drives or power supplies). Maintain a physical air gap on the DIN rail if panel temperatures exceed 50 Celsius. Additionally, because this module relies on high-speed sampling, any common-mode voltage fluctuations on the 24V DC bus can manifest as signal noise; a dedicated SELV/PELV Class 2 power supply is strictly required for stable sensor excitation.

Commissioning & Wiring Tips

Always route the dynamic sensor field cabling (especially high-impedance proximity probe lines) through dedicated, isolated conduits away from high-voltage AC motor lines. Ensure that cable shields are grounded at one end only—ideally at the terminal base—to prevent ground loop interference. During commissioning, if the tachometer reading exhibits double-triggering or instability, utilize the software utility to adjust the input trigger threshold and hysteresis parameters to bypass mechanical runout noise.

Installation Guidelines

CRITICAL WARNING: De-energize all primary and auxiliary power systems before mounting, removing, or wiring the 1440-SDM02-01RA module. Failure to fully power down the electrical panel can result in transient voltage spikes, equipment damage, or severe electric shock. Observe strict electrostatic discharge (ESD) handling protocols during installation.
1

Mount the compatible XM terminal base firmly onto a clean, grounded 35mm DIN rail within a clean, dry, NEMA/IP-rated industrial enclosure.

2

Terminate all dynamic sensor, tachometer, 4 to 20 mA loop, and DC power wiring to the terminal base block. Refer closely to the Bently Nevada field wiring diagram for proper polarity.

3

Carefully align the guide keys on the back of the 1440-SDM02-01RA module with the receiver slots on the wired terminal base.

4

Press the module firmly into the terminal base until the securing latches click lock. Apply system power and connect the configuration utility to execute operational checks.

FAQ

Which sensor types are compatible with the dynamic inputs?

The module supports eddy current proximity probes, accelerometers (including IEPE constant-current types), and standard voltage-output velocity or pressure transducers.

What are the configuration parameters for the tachometer input?

The tachometer channel supports speed ranges from 1 to 1,200,000 RPM (0.0167 to 20,000 Hz) and accepts raw voltage inputs or magnetic pickup signals with adjustable trigger thresholds.

What power supply specification is required for stable operation?

It requires a regulated 24V DC nominal power supply drawing up to 350 mA. The supply must be Class 2, SELV, or PELV compliant to prevent common-mode noise issues.

How do the analog outputs function on this module?

The module includes two fully isolated 4 to 20 mA analog outputs. Each output can be independently configured to represent any measured dynamic parameter from either channel with a maximum loop load of 300 Ohms.

View all FAQs →

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  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
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Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
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Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
United States

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