Bently Nevada 3500/44M 126599-01 Aero GT I/O Module

The Bently Nevada 3500/44M 126599-01 Aero GT I/O Module is a specialized interface module developed for use within the 3500 Machinery Protection System, tailored specifically for applications involving aeroderivative gas turbines. Designed by Bently Nevada, a leader in condition monitoring and protection systems, this module plays a critical role in capturing, processing, and transmitting dynamic and static signals from turbine sensors to the system’s monitoring and diagnostic infrastructure.

The 3500/44M provides flexible, high-integrity signal conditioning for proximity, acceleration, velocity, and Keyphasor signals. It is an integral part of ensuring the safe and efficient operation of high-speed turbine equipment in industries where precision and reliability are paramount.

Product Specifications

Product Applications

The 3500/44M Aero GT I/O Module is extensively used in the monitoring and protection of gas turbines, especially aeroderivative turbines in critical process environments. Its typical applications include:

• Aero Gas Turbine Monitoring

  Optimized for high-frequency dynamic data collection from rotor and casing sensors.

• Turbomachinery Vibration Surveillance

  Ensures early detection of mechanical issues such as misalignment, imbalance, or bearing wear.

• Keyphasor Integration for Speed & Phase Reference

  Enables precise phase-triggered measurements for orbit and phase analysis.

• Combined Cycle Power Plants

  Used in gas turbine modules within CCPP setups for enhanced safety and diagnostics.

• Oil & Gas Processing Plants

  Integral to turbine monitoring in upstream and midstream applications.

• Aviation Ground Support Turbines

  Ensures safe running and shutdown of mobile or backup aeroderivative units.

Product Advantages

• High Signal Integrity

  Equipped with advanced filtering and signal conditioning to ensure accurate data capture even in noisy environments.

• Custom Sensor Support

  Designed to seamlessly work with a wide range of Bently Nevada sensors including Proximitor® and Velomitor® types.

• Rugged Industrial Build

  Withstands harsh industrial conditions including temperature extremes and high vibration.

• Seamless Rack Integration

  Installs directly into a 3500 Series rack, enabling fast integration and configuration.

• Comprehensive Diagnostics

  Capable of transmitting not only signal values but also diagnostics related to sensor health.

• Certified for Global Standards

  Meets multiple international certifications for hazardous environments and EMC compliance.

Frequently Asked Questions (FAQ)

1. What types of sensors are compatible with the 3500/44M 126599-01 module?

   It supports Proximitor®, Velomitor®, accelerometers, and Keyphasor® sensors used in vibration and speed monitoring.

2. How many channels does this module support simultaneously?

   The module supports 4 dynamic and 4 static channels, allowing concurrent monitoring of multiple signals.

3. Does the module provide configurable filtering for signal conditioning?

   Yes, each channel allows configuration of high-pass and low-pass filters for better signal clarity.

4. Is the module hot-swappable within the rack?

   No, power should be turned off before removing or installing the module to avoid system disruption.

5. How is data from this module accessed in the 3500 system?

   Through the rack’s TDI (Transient Data Interface) module which interfaces with external systems via Ethernet or serial ports.

6. Can this module be used in SIL (Safety Integrity Level) applications?

   Yes, when used within the certified 3500 system, it contributes to SIL-rated machine protection schemes.

7. Does the module support buffered outputs for signal diagnostics?

   Yes, it provides buffered signal outputs for external test equipment analysis.

8. How is redundancy handled for this module?

   Redundancy is managed at the system level by deploying dual modules in a redundant rack configuration.

9. Are there any special calibration requirements?

   The module should be calibrated during installation using Bently Nevada configuration software and verified periodically.

10. What diagnostics does the module provide?

    It offers self-checks, sensor integrity monitoring, signal validation, and communication health status.