I/O modules

Overview

The Bently Nevada 126623-01 Aero GT I/O Module is designed for high-precision monitoring of aeroderivative gas turbines. It offers robust signal conditioning, alarm functionalities, and versatile measurement capabilities, making it a reliable choice for machinery monitoring applications. This module ensures enhanced operational performance and safety by providing accurate measurements and real-time alarm triggers.

Key Specifications

Input Characteristics

• Impedance: >95 kΩ
• Sensitivity:
  • Aeroderivative: 3.94 mV/(mm/s), 5.71 mV/(mm/s)
  • Aeroderivative2 & Multimode Aeroderivative: 1.02 mV/(m/s²) to 10.19 mV/(m/s²)

Signal Conditioning

• Frequency Response:
  • Low-pass Corner: 200 Hz (-3 dB), 10-pole rolloff (200 dB/decade)
  • High-pass Corner: Configurable to 25, 75, or 100 Hz (-3 dB), 10-pole rolloff
  • Direct Signal: 4 Hz to 30 kHz (-3 dB)
  • Bandpass Filter:
  • Tracking Filter: Supports machine speeds of 60 to 240,000 cpm
  • Constant Q Configuration: Selectable operating speeds (2,400–18,000 RPM)
  • Rolloff: 6-pole (120 dB/decade)
  • Accuracy: ±0.33% of full scale typical, ±1% maximum (exclusive of filters)

Alarm Functionality

• Setpoints: Configurable Alert and Danger levels
• Alarm Accuracy: ±0.13%
• Alarm Types:
  • Aeroderivative: Direct, 1X Amplitude, Bandpass
  • Aeroderivative2: Adds 1X Phase Lag
  • Multimode Aeroderivative: Additional modes include Direct-B, Bandpass-B, 1X Ampl-B
• Alarm Delays: Configurable for each proportional value (Alert and Danger)

Environmental Limits

• Operating Temperature: -30 °C to +65 °C (-22 °F to +150 °F)
• Storage Temperature: -40 °C to +85 °C (-40 °F to +185 °F)
• Humidity: 95%, non-condensing

Physical Specifications

• Dimensions: 241.3 mm x 24.4 mm x 99.1 mm (9.50 in x 0.96 in x 3.90 in)
• Weight: 0.45 kg (1.0 lb)

Frequently Asked Questions (FAQ)

Q: What is the typical accuracy of the Bently Nevada 126623-01 Aero GT I/O Module?
A: The Bently Nevada 126623-01 has an accuracy of ±0.33% of full scale typical, with a maximum of ±1%, excluding the filters.

Q: What is the environmental operating range for this module?
A: The module operates in temperatures from -30 °C to +65 °C (-22 °F to +150 °F) and can be stored between -40 °C and +85 °C (-40 °F to +185 °F).

Q: How long does it take to ship the Bently Nevada 126623-01 Aero GT I/O Module?
A: We typically ship the 126623-01 Aero GT I/O Module within 3 days to 2 weeks, depending on order size. Shipping is done through reliable carriers like DHL.

Q: Can I return the module if there are quality issues?
A: Yes, we offer a 30-day return policy for any quality issues with the Bently Nevada 126623-01 module.

Details