Bently Nevada 3500/91 161204-01

Description

Power Supply Core Specifications

• Module Type: 3500/91 Chassis Main Power Supply + System Rack Interface Module
• Input Power Supply: Universal AC input 85–264 VAC, 50/60 Hz
• Output DC Power: Regulated 26 VDC nominal system backplane power supply
• Rated Output Power: 75 W maximum total output power
• Output Current: Up to 2.8 A continuous output
• Power Conversion Efficiency: ≥88% typical
• Output Ripple Noise: ≤50 mV peak-to-peak
• Power Stability Accuracy: ±1% full scale output voltage

System Interface & Communication Specifications

• Integrated Functions: Chassis power management, backplane bus control, system status monitoring, EGD Ethernet communication gateway
• Communication Interface: Onboard EGD industrial Ethernet port
• Supported Protocols: Bently Nevada proprietary EGD protocol, Modbus TCP/IP
• Communication Speed: 10/100 Mbps Ethernet
• Signal Isolation: Full galvanic isolation between AC input, DC output and communication ports
• System Monitoring: Real-time monitoring of input voltage, output voltage, temperature and module operating status

Protection Circuit Specifications

• Built-in Protection Functions: Overvoltage protection, overcurrent protection, over-temperature protection, short-circuit protection, reverse polarity protection, ESD electrostatic protection, surge protection
• Fault Detection: Automatic power supply fault, chassis communication fault and module abnormal diagnosis
• Status Indication: Independent POWER OK, ALARM fault LED indicators on front panel

Mechanical & Physical Specifications

• Module Dimensions: 241.3 mm × 24.4 mm × 99.1 mm
• Net Weight: 0.52 kg
• Housing Material: Industrial metal shielding shell, anti-corrosion and anti-electromagnetic interference
• Installation Mode: Standard dedicated plug-in slot at rear power position of 3500 system chassis
• Maintenance Feature: Hot-swappable field replaceable design
• Wiring Interface: External AC power terminal block + onboard Ethernet communication port
• Version Feature: 161204-01 standard non-TMR single power supply version

Environmental Specifications

• Operating Temperature: -40 °C to +85 °C
• Storage Temperature: -50 °C to +90 °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
• Fully compatible with all standard non-TMR 3500 series monitor modules

Core Functional Features

1. Complete Chassis Power Supply Function

   Converts wide-range AC input into stable 26 VDC regulated power, supplies reliable power to all modules inside the 3500 chassis, ensures stable operation of the entire machinery protection system.
2. Integrated System Rack Interface & Communication Gateway

   Combines power supply and EGD Ethernet communication gateway into one module, realizes data interaction between 3500 system and external PLC/DCS/upper computer systems, supports remote monitoring and configuration.
3. Full Multi-Level Protection Circuits

   Built-in overvoltage, overcurrent, over-temperature, short-circuit and surge protection, completely prevents external power grid surge and fault damage to internal precision monitoring modules.
4. Real-Time System Status Monitoring & Fault Alarm

   Automatically monitors input power, output power, module temperature and communication status; outputs visual fault alarm when abnormal status occurs.
5. Hot-Swappable Easy Maintenance Design

   Online pluggable module structure, completes power supply module replacement without shutting down the whole machinery protection system, greatly reduces equipment downtime and maintenance cost.
6. Wide Voltage AC Input Adaptability

   Universal 85–264 VAC input, perfectly adapts to global industrial power grid voltage standards.
7. High Stability Low Ripple Output

   Ultra-low ripple DC output ensures high-precision stable operation of vibration, position, speed and process monitoring modules.
8. Standard Non-TMR Exclusive Version (161204-01)

   Dedicated single non-redundant power supply configuration, matches conventional non-TMR 3500 chassis, different from dual redundant TMR power supply version.
9. Full System Compatibility & API 670 Compliance

   100% compatible with all standard 3500 series modules; meets international rotating machinery protection specifications for formal project acceptance.

Main Application Scenarios

• Power plant steam turbines, gas turbines and generator unit standard 3500 system power supply
• Petrochemical centrifugal compressors and process gas compressors chassis power & communication supply
• Large industrial oil pumps, water pumps, fans and high-speed motors 3500 protection system power supply
• Offshore oil & gas platform standard non-TMR rotating production equipment monitoring system power supply
• Chemical processing plant large rotating machinery 3500 system power and communication interface
• Machinery predictive maintenance and equipment health management systems
• All industrial occasions requiring API 670 standard non-TMR machinery protection system power supply and data communication

Part Number Definition

• 3500/91: 3500 series chassis main power supply & rack interface module series
• 161204-01: Exclusive factory specific version code, standard non-TMR single power supply + EGD communication gateway configuration