Bently Nevada 177230-00-02-05 Seismic Transducer for PLC
Manufacturer: Bently Nevada
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Part Number: 177230-00-02-05
Condition：New with Original Package
Product Type: Seismic Transmitters
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Overview
The Bently Nevada 177230-00-02-05 serves as a high-precision, loop-powered seismic transmitter designed for continuous casing vibration monitoring of industrial rotating machinery. This module streamlines the interface between field assets and plant control systems by outputting a standard 4–20 mA signal proportional to vibration velocity. This architecture allows direct integration into PLCs, DCS, and SCADA platforms without the need for intermediate vibration monitors. We supply this transmitter as 100% Brand New and Original in factory packaging, featuring a secondary dynamic signal output for comprehensive spectral analysis.
Part Number Breakdown: 177230-00-02-05
The Bently Nevada 177230 series utilizes a specific coding structure to define mounting, range, and agency approvals.
| Suffix | Definition | Configuration |
| -00 | Scale Range | 0 to 1.0 in/s (25.4 mm/s) RMS |
| -02 | Mounting Option | M8 x 1.25 Metric Mounting Stud |
| -05 | Agency Approval | Multiple Worldwide Approvals (ATEX, IECEx, CSA, UL) |
Technical Specifications
| Parameter | Specification Details |
| Excitation Voltage | 12 to 30 V DC (Loop-powered) |
| Output Signal | 4–20 mA current loop proportional to velocity |
| Dynamic Output | Pin C: Unbuffered Acceleration (100 mV/g ±20%) |
| Full Scale Range | 25.4 mm/s (1.0 in/s) RMS |
| Frequency Response | 10 Hz to 1 kHz (±10%) |
| Resonant Frequency | > 12 kHz (Mounted) |
| Sensing Element | Ceramic Shear Type |
| Housing Material | Stainless Steel |
| Operating Temp | -30°C to +100°C (-22°F to +212°F) |
Engineering Advantages
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Loop-Powered Efficiency: The transmitter operates on a simple 2-wire 4-20 mA loop. This design minimizes cabling costs and reduces the complexity of cabinet terminations while providing a highly reliable signal over long distances.
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Dual-Signal Diagnostics: While the 4-20 mA loop provides general trend data for machinery protection, the transmitter also provides an unbuffered dynamic acceleration signal via Pin C. Engineers can connect portable data collectors directly to this pin for detailed FFT analysis without interrupting the primary safety loop.
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Ceramic Shear Resilience: The sensing element employs a ceramic shear architecture. This configuration isolates the crystal from base strain and thermal transients, ensuring that vibration data remains accurate even during rapid temperature fluctuations in harsh industrial environments.
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Universal Control Integration: The 177230-00-02-05 requires no field configuration or calibration. It communicates directly with standard analog input cards on PLC and DCS systems, making it a "plug-and-play" solution for monitoring pumps, fans, and motors.
FAQs
Q: Does the 177230-00-02-05 require an external Proximitor?
A: No. This is a self-contained seismic transmitter. It generates its own signal proportional to casing velocity and does not require an external driver or Proximitor module to interface with your control system.
Q: Can I mount this sensor on a curved machine casing?
A: Proper installation requires a flat, smooth surface to ensure the resonant frequency of the sensor is not compromised. We recommend machining a flat spot or using a mounting block if the casing surface is irregular.
Q: Is the M8 x 1.25 mounting stud included?
A: The "-02" option in the part number designates the M8 x 1.25 metric mounting stud. As a brand-new unit, it comes with the factory-specified hardware required for immediate installation.
Q: How does the dynamic signal output differ from the 4-20 mA signal?
A: The 4-20 mA signal represents the overall vibration level for trending and alarming. The dynamic signal (100 mV/g) provides the raw waveform data, which maintenance teams use for advanced fault diagnostics, such as identifying bearing wear or gear mesh issues.