You are here:
- Home
- Product
- Cables & Connectors
- Communication & Network
- Gateway / Converters
- Bently Nevada 125736-01 Communication Gateway I/O Module
SKU: 125736-01
Bently Nevada 125736-01 Communication Gateway I/O Module
The Bently Nevada 125736-01 is a Communication Gateway I/O Module for the 3500 Series. It provides RS232/RS422 Modbus connectivity to export machinery protection data to external DCS and PLC systems for real-time monitoring.
Product Overview
The Bently Nevada 125736-01 serves as a critical Communication Gateway I/O Module within the 3500 Series Machinery Protection System. This module acts as the primary hardware interface for the 3500/92 Communication Gateway, facilitating the high-speed transfer of status, alarm, and event data from the rack to external monitoring networks. By translating internal backplane protocols into industry-standard formats, the 125736-01 ensures that vibration and position data are accessible to Plant Asset Management (PAM) software and Control Systems.
To maintain continuous data availability, the module supports both RS232 and RS422 serial interfaces, specifically optimized for Modbus RTU protocols. Because the unit occupies a dedicated slot in the 3500 rack, it provides a localized point for data aggregation, which simplifies the integration of TSI (Turbine Supervisory Instrumentation) into broader industrial Ethernet routers or PLC networks.
Industrial facilities utilize the 125736-01 to implement predictive maintenance strategies. Since it delivers real-time diagnostic information from the machinery protection system, operators can identify mechanical anomalies before they lead to catastrophic equipment failure. The module’s ruggedized circuitry allows it to operate reliably in high-interference environments typical of oil and gas refineries and power generation plants.
Technical Specifications
- Manufacturer:Â Bently Nevada (Baker Hughes)
- Model Identification:Â 125736-01
- Module Type:Â Communication Gateway I/O Module
- Series Compatibility:Â 3500 Series Monitoring System
- Supported Protocols:Â Modbus RTU (via RS232 / RS422)
- System Role:Â Turbine Supervisory Instrumentation (TSI) Integration
- Communication Interface:Â Serial RS232/RS422 and Ethernet-compatible routing
- Mounting Location:Â Rear of the 3500 Rack (Interfacing with 3500/92)
- Operating Voltage:Â 220V Certified Support
- Dimensions:Â 2.4 cm x 11.1 cm x 24 cm
- Weight:Â 0.42 kg
You may also like
The Bently Nevada 3500/05-01-02-00-00-01 is a high-performance 14-slot system rack designed to support 3500 series monitoring modules with superior signal reliability.
Bently Nevada 146031-01 3500/22 Transient Data Interface Module
The Bently Nevada 146031-01 is a high-performance I/O module for the 3500/22 Transient Data Interface. It enables seamless Ethernet-based communication and high-speed data acquisition for the 3500 Series monitoring system, providing essential transient and steady-state machinery diagnostics for industrial asset management.
Bently Nevada 3500/44-02-00 126623-01 Aero GT I/O Module
The Bently Nevada 3500/44-02-00 is a 4-channel Aeroderivative Gas Turbine vibration monitor featuring the 126623-01 I/O module. It utilizes advanced tracking filters to isolate N1/N2 rotor speeds and employs an external termination architecture for streamlined maintenance in mission-critical power generation environments.
Bently Nevada 350800-01-180 Hazardous Gas Sensor
The Bently Nevada 350800-01-180 is a high-precision hazardous gas sensor designed for the 3500 series monitoring system. It provides continuous detection of combustible gases and machinery vibration in extreme environments, ensuring personnel safety and protecting critical rotating assets in power and oil & gas facilities.
Bently Nevada 125800-01 3500/25 Enhanced Keyphasor I/O Module
The Bently Nevada 125800-01 is an Enhanced Keyphasor I/O module with internal terminations for the 3500/25 system. It provides precise phase reference and speed measurement signals required for advanced machinery diagnostics. This USA-made module supports high-speed data synchronization and integrates seamlessly with proximity probes to protect critical turbines and compressors in demanding industrial environments.
Bently Nevada 128240-01 3500 System Proximitor/Seismic I/O Module
The Bently Nevada 128240-01 is a Proximitor/Seismic I/O Module for the 3500 monitoring system. Designed for high-precision data acquisition from vibration and position sensors, it features external terminations, MODBUS RTU support, and a rugged IP67-rated construction for critical machinery protection.
Bently Nevada 3500/15-04-04-01 Low Voltage DC Power Input Module
The Bently Nevada 3500/15-04-04-01 (133300-01) provides regulated 24V DC power to the 3500 series machinery protection rack. This high-integrity module supports redundancy, features integrated surge protection, and ensures clean power delivery for critical vibration monitoring and machinery safety.
Bently Nevada 135137-01 Position I/O Module with Internal Terminations
The Bently Nevada 135137-01 is a 4-channel Position I/O Module with internal terminations for the 3500/45 system. It provides precise axial thrust and differential expansion monitoring for critical turbines, featuring a rugged design certified for temperatures up to +85°C.
Bently Nevada 3500/33-03-00 149992-03 16-Channel Relay Output Module
The Bently Nevada 3500/33-03-00 (149992-03) is a 16-channel low current relay output module for the 3500 system. It provides high-reliability SPDT switching and programmable alarm voting logic to protect critical turbines and compressors from catastrophic failure.
Bently Nevada 3500/77M-03-00 176449-07 Cylinder Pressure Monitor
The Bently Nevada 3500/77M-03-00 (176449-07) is a 4-channel reciprocating cylinder pressure monitor. It provides real-time PV curve diagnostics, rod load tracking, and valve health monitoring for critical compressors, ensuring API 670 compliance and optimized asset reliability.
128276-01E | Bently Nevada | Monitor Module
128276-01E Product datasheet
Model number: | 128276-01E | Module Type: | Half Future Expansion Panel | |
Manufacture: | Bently Nevada | Condition: | Brand New | |
Range of Product: | 3500 system | Lead time: | In Stock | |
Weight: | 0.04 kg | HS CODE: | 8537101190 | |
Dimension: | 2.5x3x12cm | MOQ: | 1 | |
Product Origin: | USA | System: | TSI | |
Discontinued on: | active | Communication Service: | Ethernet router |
128276-01EFunctional Description
Engineered for seamless integration into a wide range of industrial control systems, the 128276-01E Slot Coveroffers unparalleled performance and reliability. Its robust design ensures it can withstand harsh industrial conditions, making the 128276-01E Half Future Expansion Panel ideal for applications where downtime is unacceptable.
Featuring advanced relay technology, the 128276-01E Slot Cover 3500 Seriesprovides precise control over various processes, optimizing system performance and reducing operational costs. With its high current rating and switching capacity, it’s capable of handling demanding loads without compromise.
The module is equipped with SPDT relay contacts, ensuring reliable switching action and minimal wear, thus increasing the lifespan of your control system. Additionally, the 128276-01E I/O Moduleboasts an IP67 environmental protection rating, safeguarding against dust and water ingress, even in the most challenging environments.
Operating within an extensive temperature range from -40°C to +85°C, the 128276-01E Future Expansion Faceplateensures continuous operation across various climates. Easy to install and integrate, it comes with comprehensive documentation and technical support, ensuring a smooth setup process and minimal maintenance requirements.
3500/05-01-02-01-00-01 | Bently Nevada | Monitor Module
3500/05-01-02-01-00-01 Product datasheet
Model number: | 3500/05-01-02-01-00-01 | Module Type: | System Rack | |
Manufacture: | Bently Nevada | Condition: | Brand New | |
Range of Product: | 3500 System | Lead time: | In Stock | |
Weight: | 5.95 kg | HS CODE: | 8537101190 | |
Dimension: | 48.2x28x26.5cm | MOQ: | 1 | |
Product Origin: | USA | System: | TSI | |
Discontinued on: | active | Communication Service: | Ethernet router |
3500/05-01-02-01-00-01 Functional Description
The 3500/05-01-02-01-00-01 represents a critical component in Bently Nevada's renowned 3500 series monitoring system, designed to safeguard industrial rotating equipment. This high-precision vibration monitoring module provides continuous surveillance of machinery health, detecting potential faults before they escalate into costly failures. The Bently Nevada 3500/05-01-02-01-00-01 System Rackcombines advanced signal processing with rugged industrial construction, ensuring reliable operation in the most demanding plant environments.
Engineers worldwide trust the 3500/05-01-02-01-00-01 Bently Nevada PLC Module/Rackfor its exceptional measurement accuracy and comprehensive diagnostic capabilities. The module features four independent monitoring channels, each capable of processing multiple vibration parameters including velocity, acceleration, and displacement. Its sophisticated algorithms enable early detection of imbalance, misalignment, bearing wear, and other common machinery faults, helping prevent unplanned downtime in critical processes.
What sets the3500 System 3500/05-01-02-01-00-01 Bently Nevada apart is its seamless integration with the complete 3500 series framework. The module supports multiple communication protocols and offers flexible configuration options to meet specific plant requirements. These features make it particularly valuable for power generation, oil and gas, and heavy industrial applications where equipment reliability is paramount.
For maintenance teams seeking to enhance predictive maintenance programs, the Bently Nevada 3500/05-01-02-01-00-01 PDFdelivers unmatched performance in machinery protection. Its proven track record in critical applications and compatibility with existing monitoring systems have established this module as an industry standard for vibration monitoring and analysis.


























