Product Short Description
3500/22-01-01-00 is an original industrial plug-in display and signal buffer module manufactured by Bently Nevada (Baker Hughes). It is a core front-end visualization and signal interface component of the 3500 Machinery Protection TSI System. This module provides real-time local dynamic waveform display for proximity vibration, axial position, seismic velocity and keyphasor signals. It integrates high-fidelity signal buffering, isolation, waveform output and status indication functions. It receives processed monitoring signals from upstream monitor modules, realizes on-site visual waveform viewing, external oscilloscope connection signal tapping and system status feedback.
Description
Channel & Signal Specifications
- Independent Dynamic Channels: 4 channels
- Supported Signal Types: Eddy current proximity vibration AC signal, shaft position DC signal, seismic velocity signal, Keyphasor phase pulse signal
- Input Signal Range: -10 VDC to +10 VDC analog dynamic voltage signal
- Frequency Response Bandwidth: 0 Hz – 10 kHz (+0/-3 dB)
- Signal Buffer Accuracy: ±0.25% full scale range
- Signal Isolation: Full galvanic isolation between input monitoring circuit and output buffer/display circuit
- Output Interface: BNC buffered analog signal output port for external oscilloscope/data collector connection
Display & Indication Specifications
- Front Panel Display: Real-time dynamic waveform LED bar display for each channel
- Independent Channel Status Indicators: OK, ALERT, DANGER, BYPASS LED lights per channel
- Display Refresh Rate: Continuous real-time dynamic refresh
- Waveform Display Range: Full-scale dynamic vibration amplitude visualization
Electrical System Specifications
- Power Supply: Powered by 3500 system chassis backplane power supply, nominal 26 VDC
- Total Power Consumption: 4.8 W
- Communication Mode: Passive signal buffer + local display, internal backplane status communication
- Matching Modules: All 3500 series monitor modules (3500/40M, 3500/50, 3500/62, etc.)
- Version Type: Standard non-TMR single-channel architecture (01-01 configuration)
Mechanical & Physical Specifications
- Module Dimensions: 241.3 mm × 24.4 mm × 99.1 mm
- Net Weight: 0.36 kg
- Housing Material: Industrial metal shielding shell, anti-interference and anti-corrosion
- Termination Structure: Internal terminal wiring configuration
- Installation Mode: Standard plug-in slot mounting for 3500 system chassis front display slot
- Maintenance Feature: Hot-swappable field replaceable design
Environmental Specifications
- Operating Temperature: -30 °C to +65 °C
- Storage Temperature: -40 °C to +85 °C
- Relative Humidity: 5%–95% non-condensing
- Anti-interference Performance: Fully complies with industrial EMC electromagnetic compatibility standards
- Protection Performance: Dust-proof, moisture-proof and vibration-resistant for harsh industrial sites
Certifications & Compliance
- API 670 Machinery Protection Standard Compliance
- CE Industrial Safety Certification
- CSA Certification
- RoHS Lead-Free Compliance
Core Functional Features
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4-Channel Real-Time Dynamic Waveform Local Display
Independent front-panel LED dynamic waveform display for 4 monitoring channels, realizes on-site direct viewing of shaft vibration, position and keyphasor waveform without external equipment.
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High-Fidelity Signal Buffer & Tap-Off Interface
Built-in low-distortion signal buffer circuit, provides isolated BNC output for each channel. Supports direct connection to oscilloscopes, data collectors and diagnostic equipment for offline waveform analysis and fault diagnosis.
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Standard Non-TMR Single Architecture Design
3500/22-01-01-00 exclusive standard non-redundant version, matches conventional non-TMR 3500 system chassis and monitor modules.
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Complete Channel Status Visual Indication
Independent OK/ALERT/DANGER/BYPASS status LEDs for each channel, intuitively reflects real-time monitoring alarm and maintenance status.
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Full System Universal Compatibility
Perfectly matches all 3500 series vibration, position, speed and process monitor modules, realizes unified display and buffer for all monitoring signals in the chassis.
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Full Galvanic Isolation Design
High-voltage isolation between system monitoring circuit and external diagnostic equipment, effectively prevents ground loop interference and equipment damage.
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Hot-Swappable Easy Maintenance Design
Online pluggable module structure, completes fault replacement without system shutdown, greatly improves on-site maintenance efficiency.
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Internal Terminal Wiring Structure
Compact internal termination design, higher anti-interference performance and better dust-proof effect than external terminal version.
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API 670 Standard Compliance
Meets international rotating machinery protection specifications, suitable for formal project acceptance and OEM factory matching applications.
Main Application Scenarios
- Power plant steam turbines, gas turbines and generator unit monitoring waveform viewing
- Petrochemical centrifugal compressors and process gas compressors vibration waveform diagnosis
- Large industrial oil pumps, water pumps, fans and high-speed motors on-site signal monitoring
- Offshore oil & gas platform rotating production equipment dynamic waveform analysis
- Chemical processing large rotating machinery status visualization and diagnostic tapping
- Machinery predictive maintenance, rotor dynamic analysis and fault diagnosis systems
- All industrial occasions requiring API 670 standard machinery protection system local display and diagnostic signal output
Model Code Definition (3500/22-01-01-00)
- 3500/22: 3500 series dynamic signal display & buffer interface module
- 01: Standard non-TMR single architecture version
- 01: Front panel LED waveform display + internal terminal configuration
- 00: No additional hazardous area explosion-proof certification






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