Product Short Description
97199-01 is an original industrial dedicated keyphasor signal interface module manufactured by Bently Nevada (Baker Hughes USA). It belongs to the core signal acquisition components of the 3500 Series Machinery Protection & Monitoring System. This module receives pulse speed & phase signals from keyphasor probes, performs signal conditioning, filtering, shaping and isolation processing, and transmits high-precision speed, phase angle and rotation reference signals to internal monitor modules of the 3500 system.
Description
Basic Identification Parameters
- Brand: Bently Nevada
- Part Number: 97199-01
- System Matching Model: 3500/25 Keyphasor Module
- Origin: United States
- Product Weight: 0.48 kg
- Factory Warranty Period: 12 months original factory warranty
- Overall Dimensions: 241 mm × 102 mm × 25 mm
- Mounting Mode: Standard 19-inch EIA industrial rack plug-in installation, installed in dedicated slots of 3500 system rack
- Protection Grade: IP20
- Certifications: CE, UL, CSA, ATEX/IECEx Hazardous Area Certification, API 670 Compliant
Electrical Specifications
- System Power Supply: 18–36 V DC, supplied by 3500 main rack power supply
- Total Power Consumption: ≤3.5 W
- Input Channel Quantity: 2 independent isolated keyphasor signal input channels
- Input Signal Type: Passive pulse signal from eddy current keyphasor proximity probe
- Input Signal Amplitude Range: 2–24 V DC peak pulse signal
- Input Impedance: ≥10 kΩ per channel, high-impedance isolation input
- Signal Isolation Level: 2500 Vrms channel-to-channel & channel-to-system isolation
- Output Signal: TTL level square wave keyphasor pulse signal, transmitted to internal system bus
- Speed Measurement Accuracy: ±0.1% Full Scale
- Phase Measurement Accuracy: ≤±0.5° mechanical angle
- Maximum Measurable Speed: 240,000 RPM
- Minimum Measurable Speed: 1 RPM
- External Terminal Connection: Green pluggable screw terminal blocks, quick wiring and maintenance
Measurement & Frequency Specifications
- Signal Frequency Response Range: 0.01 Hz – 20 kHz
- Built-in Filter Bandwidth: Configurable low-pass/high-pass anti-interference filters
- Pulse Response Rise Time: ≤1 µs
- Keyphasor Target Minimum Width: 1 mm notch/keyway on shaft surface
- Compatible Probe System: Bently Nevada 3300 XL / 3300 NSv series keyphasor proximity probes & extension cables
Environmental Specifications
- Operating Temperature Range: -40 ℃ to +70 ℃
- Storage Temperature Range: -51 ℃ to +85 ℃
- Operating Humidity: 0%–95% RH, non-condensing
- Shock Resistance: 10 g peak anti-vibration performance
- Electromagnetic Compatibility: Fully meets industrial EMC anti-interference standards, adapts to strong electromagnetic industrial sites
Core Functional Features
- Dual Independent Isolated Keyphasor Input Channels
Two completely isolated signal channels support dual keyphasor redundant monitoring, eliminate mutual interference, and improve system operation reliability.
- High-Precision Signal Conditioning & Shaping Circuit
Built-in professional filtering, amplification and hysteresis shaping circuit, automatically filter burr noise and interference pulses, output stable and standard square wave reference signals.
- Full Electrical Isolation Design
Channel-to-channel, channel-to-system bus complete isolation, effectively suppress common-mode interference, ground loop noise and surge impact, ensure signal stability in harsh industrial environments.
- Ultra-Wide Speed Measurement Range
Covers ultra-low speed startup working condition to high-speed full-load operation condition, realizes full-process speed and phase monitoring during machine startup, shutdown and stable operation.
- Synchronous Reference for Vibration Diagnosis
Provides accurate rotation phase benchmark for 3500 system vibration monitor modules, supports orbit analysis, 1X/2X harmonic analysis, unbalance, misalignment and rubbing fault diagnosis.
- Plug-in Hot-Swap Structure
Supports online plug and replacement without powering down the entire monitoring system, greatly reduces maintenance downtime and operation interruption.
- Complete Self-Diagnosis Function
Built-in channel fault detection circuit, automatically detects probe disconnection, signal loss and module fault, uploads fault status to system host and upper computer platform in real time.
- Fail-Safe Protection Logic
Automatically enters safe state when signal abnormal or power failure occurs, avoids false alarm and misoperation of machinery protection system.
Applicable Application Scenarios
- Thermal power plants: Steam turbines, gas turbines, turbo-generator units
- Petroleum & petrochemical industry: Centrifugal compressors, process pumps, fans, offshore platform rotating machinery
- Chemical industry: Large centrifugal compressors, reciprocating compressors, high-speed gearboxes
- Metallurgy & cement industry: Rotary kilns, grinding mills, large fans, high-speed rotating equipment
- Water conservancy & wastewater treatment: Large vertical pumps, circulating water pump units
- Marine industry: Ship propulsion machinery, auxiliary power rotating equipment
- Hazardous area industrial sites with ATEX/IECEx certification requirements
- OEM machinery manufacturing and industrial predictive maintenance condition monitoring systems
System Compatibility
- Fully compatible with Bently Nevada 3500 series full monitoring system: 3500/05 rack, 3500/15 power supply, 3500/20/22M interface module, all vibration/differential expansion/thrust monitor modules
- Perfectly matches Bently Nevada 3300 XL / 3300 NSv keyphasor proximity probe systems
- Seamlessly connects to System 1 diagnostic analysis platform, PLC, DCS and SCADA systems
- Compatible with official 3500 rack configuration software V3.3 and above versions
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