The BENTLY NEVADA 3500/92-04-01-01 136180-01 is a highly specialized and critical communication gateway module, an integral component of the Bently Nevada 3500 Machinery Health Monitoring System. This module, specifically the 3500/92 Communication Gateway, serves as the vital interface between the rugged, real-time world of machinery protection and monitoring and the broader plant information and control networks. Its primary function is to bridge the proprietary high-speed communication bus of the 3500 rack (used for real-time data exchange between monitoring modules like vibration, speed, and temperature) with industry-standard Ethernet networks. The BENTLY NEVADA 3500/92-04-01-01 acts as a data concentrator and protocol translator, collecting vital machine health data—including real-time values, alarms, events, and diagnostic information from all modules in the 3500 rack—and making it accessible to plant distributed control systems (DCS), supervisory control and data acquisition (SCADA) systems, asset management software (like GE’s System 1™), and operator workstations.
As a designated gateway, the BENTLY NEVADA 3500/92-04-01-01 plays a dual role: it ensures the integrity and determinism of the safety-critical protection functions within the 3500 rack while providing a seamless, secure, and high-bandwidth data path to the outside world. This enables predictive maintenance strategies by delivering continuous condition monitoring data to analysts and engineers. The suffix 136180-01typically denotes a specific hardware revision or firmware version. For operators and reliability engineers in industries such as oil & gas, power generation, and petrochemicals, the installation of this gateway transforms the 3500 system from a standalone protector into a central node in a plant-wide asset performance management ecosystem, facilitating informed decision-making to prevent unplanned downtime and optimize maintenance schedules.
Technical Specifications
Parameter Name
Parameter Value
Product Model
BENTLY NEVADA 3500/92-04-01-01 136180-01
Manufacturer
Bently Nevada (part of Baker Hughes, a GE company)
Product Type
Communication Gateway Module
Series/Platform
3500 Machinery Health Monitoring System
Position in Rack
Occupies a single slot in a 3500 rack; requires a companion power supply module
Primary Function
Rack-to-Network Communication Interface
Rack Interface
Proprietary high-speed 3500 rack backplane communication
Network Interface
Dual 10/100Base-T Ethernet ports (RJ-45) for redundancy and network connectivity
Supported Protocols
Modbus TCP (primary for DCS/PLC integration), OPC DA/XML-DA (for HMI/SCADA), Bently Nevada proprietary protocol for System 1™
Data Provided
Real-time monitor values (e.g., vibration, gap voltage, temperature), alert/danger alarm status, module health, event logs, timestamped trip data
Configuration
Configured via dedicated 3500 Configuration Software connected through a serial (RS-232/485) service port or over Ethernet
Power Requirement
Powered from the 3500 rack backplane (+5V, ±15V from power supply module)
Operating Temperature
0°C to +65°C (32°F to 149°F)
Relative Humidity
5% to 95% non-condensing
Key Features and Advantages
The BENTLY NEVADA 3500/92-04-01-01 is distinguished by its robust data integration capabilities and network resilience. Its foremost advantage is the provision of dual, independent Ethernet ports. These ports can be configured for redundancy (failover) to ensure continuous data availability even if one network path fails, or they can be used to segregate traffic—for example, one port for real-time DCS data and the other for engineering/asset management system traffic. This design is critical for maintaining communication integrity in mission-critical applications.
Protocol flexibility and data richness are central to its value.
3500/92-04-01-00 (136180-01+136188-02)
The gateway speaks multiple «languages» simultaneously. It provides Modbus TCP registers, which is the de factostandard for integration with most modern DCS and PLC systems, allowing the 3500 system to appear as a simple set of I/O points. Concurrently, it supports OPC for easier connection to HMIs and historical databases, and the native Bently Nevada protocol for deep, high-fidelity data transfer to dedicated diagnostics software like System 1™. This means the same 3500/92 module can send a simple alarm contact to the DCS for emergency shutdown while streaming full vibration waveforms and spectra to an analyst’s desk for detailed machinery diagnosis.
Enhanced diagnostics and security are built into its operation. The module continuously monitors its own health and the status of the network connection, reporting any faults to the rack’s TDI (Transient Data Interface) and through its own status relays. Configuration is secure and centralized through the 3500 software, ensuring that communication parameters are locked and consistent with the overall rack configuration. Its role as a gateway also provides a measure of network security for the 3500 rack itself, as it acts as a controlled bridge rather than having the protection system directly exposed on the plant network. This combination of features makes the BENTLY NEVADA 3500/92-04-01-01 an indispensable tool for achieving both operational safety and advanced predictive maintenance.
Application Areas
The BENTLY NEVADA 3500/92-04-01-01 communication gateway is deployed wherever a 3500 Monitoring System is used to protect critical rotating machinery and there is a need to integrate that data into the plant’s wider control and information architecture. In power generation, it is a standard component on monitoring racks for gas turbines, steam turbines, generators, and large boiler feed pumps. The gateway streams real-time vibration and temperature data to the plant DCS for operator awareness and sends comprehensive data to machinery diagnostics engineers for condition-based maintenance, crucial for preventing forced outages.
In the oil & gas sector, it is essential on offshore platforms and in refineries for compressors (centrifugal and reciprocating), pumps, and gas turbines. The data provided via the 3500/92 enables remote monitoring from onshore facilities, supports reliability-centered maintenance programs, and ensures compliance with safety and environmental regulations by providing a clear audit trail of machine health. In petrochemical and chemical plants, it connects monitoring systems on critical reactors, mixers, and large motor-driven trains to the central control room, enabling process engineers to correlate machine health with process variables.
Furthermore, in pipeline transportation for mainline compressors and pumps, and in metals and mining for critical fans, blowers, and pelletizing equipment, the BENTLY NEVADA 3500/92-04-01-01 serves as the essential data conduit. Its application is universal across any industry that uses the 3500 system and requires the fusion of machinery protection data with enterprise-level operational technology (OT) systems.
Related Products
BENTLY NEVADA 3500/15: The power supply module that must be installed in the rack to provide power to the 3500/92 and other monitoring modules.
BENTLY NEVADA 3500/22M / 3500/25: Vibration monitoring modules and Keyphasor® modules whose data is collected and transmitted by the 3500/92 gateway.
BENTLY NEVADA 3500/93: The TDI (Transient Data Interface) module, which captures and stores detailed event data (like startup/shutdown curves) and works in conjunction with the 3500/92 for data retrieval.
BENTLY NEVADA 3500 Rack (Framework): The physical chassis (4, 8, or 12-slot) that houses the gateway and all other modules.
BENTLY NEVADA 3500 Configuration Software: The PC-based software required to set up the rack, including configuring the IP addresses, protocols, and data mapping for the 3500/92-04-01-01.
GE Bently Nevada System 1™: The enterprise asset performance management software that is a primary destination for the rich diagnostic data channeled through the 3500/92.
Third-party DCS/SCADA Systems (e.g., Emerson DeltaV, Honeywell Experion, Siemens PCS 7): The control systems that receive Modbus TCP or OPC data from the gateway for operator display and logic.
BENTLY NEVADA 1701/01 Accelerometer & Proximity Probes: The primary sensors whose signals are processed by the 3500 monitoring modules and ultimately communicated by the gateway.
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