Bently Nevada 128275-01

Description

Communication Interface Specifications

• Supported Communication Interfaces: Ethernet TCP/IP, RS232, RS485, RS422 Serial Ports
• Supported Communication Protocols: Bently Nevada proprietary EGD protocol, Modbus TCP/IP, Modbus RTU
• Communication Baud Rate: Configurable up to 115200 bps (serial port); 10/100 Mbps Ethernet
• Data Transmission Mode: Real-time bidirectional data exchange
• Communication Isolation: Full galvanic isolation between communication port and internal system circuit

Electrical Specifications

• Operating Power Supply: Powered by 3500 system backplane power supply, nominal 26 VDC
• Total Power Consumption: 2.8 W
• Measurement Accuracy: ±0.7% full scale range
• Signal Isolation: Complete electrical isolation for all input/output and communication channels
• Fault Detection: Automatic communication fault, link disconnection and module abnormal diagnosis

Mechanical & Physical Specifications

• Module Dimensions: 241.3 mm × 24.4 mm × 99.1 mm
• Net Weight: 0.06 kg
• Housing Material: High-strength stainless steel shielding shell, anti-corrosion and anti-interference
• Installation Mode: Standard plug-in slot mounting for 3500 system chassis
• Maintenance Feature: Hot-swappable field replaceable design
• External Structure: Integrated expansion faceplate cover + communication circuit board

Environmental Specifications

• Operating Temperature: -40 °C to +85 °C
• Storage Temperature: -50 °C to +90 °C
• Relative Humidity: 5%–95% non-condensing
• Protection Performance: Dust-proof, moisture-proof, vibration-resistant
• Anti-interference Performance: Fully complies with industrial EMC electromagnetic compatibility standards

Certifications & Compliance

• API 670 Machinery Protection Standard Compliance
• CE Industrial Safety Certification
• CSA Certification
• Fully compatible with all 3500 series monitoring modules

Core Functional Features

1. Dual Integrated Design (Expansion Faceplate + EGD Gateway)

   Integrates system expansion blank faceplate and Ethernet communication gateway into one module; reserves slot space for future module expansion while providing real-time communication function.
2. Multi-Protocol Industrial Communication Gateway

   Supports EGD proprietary protocol, Modbus TCP/IP and Modbus RTU; realizes seamless data transmission between 3500 machinery protection system and external PLC/DCS/upper computer systems.
3. Remote Configuration & Monitoring Function

   Supports remote connection with 3500 Rack Configuration Software; realizes remote parameter setting, alarm threshold modification, status viewing and system debugging without on-site operation.
4. Full Electrical Isolation Design

   Complete galvanic isolation for communication ports, input channels and internal circuits; effectively suppresses industrial electromagnetic interference and improves system operation stability.
5. Real-Time Fault Diagnosis & Alarm

   Automatically detects communication disconnection, link failure, module abnormal power supply and hardware faults; outputs clear fault status indication through system LED and software interface.
6. Future System Expansion Reservation

   Standard expansion faceplate structure; supports subsequent installation of additional monitoring modules, analog/digital I/O modules to upgrade system monitoring channels and functions.
7. Hot-Swappable Easy Maintenance

   Online pluggable design; completes module replacement and maintenance without shutting down the whole machinery protection system, greatly reduces downtime.
8. High Reliability Stainless Steel Structure

   Corrosion-resistant, oil-resistant and dust-resistant housing; adapts to harsh industrial environments with long stable service life.
9. Full API 670 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 units
• Petrochemical centrifugal compressors and process compressors
• Large industrial oil pumps, water pumps and high-speed centrifugal pumps
• High-speed industrial fans, blowers and induced draft fans
• High-voltage large induction motors and bearing monitoring systems
• Offshore oil & gas platform rotating production equipment
• Chemical processing large rotating machinery
• Machinery predictive maintenance and health management systems
• All industrial occasions requiring API 670 standard machinery protection system data interconnection

Part Number Definition

• 128275-01: Official dedicated part number for 3500 Series Future Expansion Faceplate & EGD Ethernet Communication Gateway Interface Module
• Belongs to Bently Nevada 3500 machinery protection system accessory communication module