Bently Nevada 177230-01-01-05 Seismic Transmitter

General Info

• Manufacturer: Bently Nevada (a Baker Hughes company)
• Model Number: 177230-01-01-05
• Type: Seismic Transmitter
• Application: Used for integration with PLC, DCS, and SCADA systems to monitor machinery vibration and provide condition monitoring data

Product Description

The Bently Nevada 177230 Seismic Transmitter is a simple, loop-powered device designed for easy installation. It can be seamlessly integrated with programmable logic controllers (PLCs), distributed control systems (DCS), and supervisory control and data acquisition (SCADA) systems. The transmitter provides reliable vibration measurement for condition monitoring and helps in managing machinery health, minimizing unplanned downtimes, and optimizing maintenance activities. The robust CM (Condition Monitoring) design, along with the 4-20 mA loop-powered output, ensures the transmitter delivers accurate and repeatable data.

Product Features

• Integration Capabilities: Interfaces with various control systems, including PLC, DCS, and SCADA.
• User-Friendly: Requires minimal training due to a familiar interface.
• Low Maintenance: Requires no field configuration or adjustments, reducing service costs.
• Self-Test Functionality: Includes self-test features to ensure continuous system reliability.
• High Data Quality: Provides accurate and repeatable vibration data with a raw signal for further analysis.

Technical Specifications

Electrical Specifications

• Excitation Voltage:
  • Input Voltage Range: 12 VDC to 30 VDC
  • Current Limitation: Limited to 40 mA (typically between 30 mA and 35 mA)
• Settling Time: Less than 15 seconds to within 2% of the final value
• Mounted Resonant Frequency: Greater than 12 kHz
• Transverse Sensitivity: Less than 5% of sensitivity
• Sensing Element Type: Ceramic / Shear

Connector Wiring Convention

• Pin A: 4-20 mA Positive Loop (Positive with reference to Pin B)
• Pin B: 4-20 mA Loop Return (Negative Loop Return for Pin A and common for Dynamic Signal)
• Pin C: Dynamic Acceleration Signal (Unbuffered, referenced to Pin B)

Velocity Output

• Output Signal: 4 to 20 mA Current Loop from Pin A to Pin B
• Full Scale Range:
  • 00: 0 - 12.7 mm/s (0.5 in/s) ± 10%
  • 01: 0 - 25.4 mm/s (1.0 in/s) ± 10%
  • 02: 0 - 50.8 mm/s (2.0 in/s) ± 10%
• Frequency Response:
  • 01: 10 Hz to 1 kHz ± 10% (600 cpm to 60 kcpm ± 10%) - RMS
  • 02: 3 Hz to 1 kHz ± 10% (180 cpm to 60 kcpm ± 10%) - Peak
• Sensitivity - Main Loop:
  • 4 ± 0.3 mA equals 0.0 mm/s
  • 20 ± 2 mA equals Full Scale Range

Acceleration Output

• Output Signal: Unbuffered Voltage from Pin C to Pin B (Reference)
• Sensitivity: 10.2 mV/m/s² (100 mV/g) ± 20%
• Full Scale Range: 147 m/s² (15 g) peak
• Frequency Response: 2.5 Hz to 10 kHz ± 10% (150 cpm to 600 kcpm ± 10%)
• Linearity: ± 1% of Full Scale
• Output Bias: 2.5 V ± 0.1 V (Referenced to Pin B)

Environmental Specifications

• Operating Temperature: -40°C to +85°C (-40°F to +185°F)
• Electrical Isolation: Greater than 10⁸ ohms
• Isolation Breakdown Voltage: 600 Vrms with less than 1 mA leakage current
• Shock Survivability: 9.810 m/s² (1.000 g peak), maximum drop test
• Sensor Seal: Hermetically sealed
• Relative Humidity: Up to 100% (non-submerged)
• Magnetic Field Sensitivity:
  • Less than 20 μm/s/gauss (790 μin/s/gauss) peak
  • Less than 14.7 mm/s²/gauss (150 μg/gauss) peak (based on 50 gauss, 50 - 60 Hz)

Physical Specifications

• Weight: 131 g (4.62 oz), typical
• Diameter: 25.4 mm (1.00 in)
• Height: 66.0 mm (2.60 in)
• Case Material: 316L stainless steel
• Connector: 3-pin MIL-C-5015, 316L stainless steel
• Mounting Hole: ¼-28 UNF
• Mounting Threads:
  • M6 X 1 SI
  • M8 x 1.25 SI
  • ¼-28 UNF
• Mounting Torque: 4 to 7 N-m (35.4 to 62.0 in-lbf)

Compliance and Certifications

• FCC Compliance: Complies with part 15 of the FCC Rules
  • This device may not cause harmful interference.
  • This device must accept any interference received.
• EMC Compliance: EMC Directive 2014/30/EU
• RoHS Compliance: RoHS Directive 2011/65/EU
• Maritime Compliance: DNV rules for classification (Ships, High speed, light craft, offshore standards)
• Hazardous Area Approvals:
  • cNRTLus: Ex nL IIC T4, Class I, Div 2, Groups A, B, C, D
  • ATEX/IECEx: II 1 G Ex ia IIC T4 Ga, II 3 G Ex na IIC T4 Gc