Description
The Bently Nevada 3500/92 is a high-performance communication gateway module designed for the 3500 Machinery Protection System. This Communication Gateway provides a robust interface for integrating rack data—including static values, status, and event logs—into external plant control systems such as DCS, PLC, or SCADA platforms.
Product Introduction
The 3500/92 acts as a bridge between the internal proprietary 3500 rack bus and industry-standard communication protocols. It allows plant operators to view critical machinery health data on their primary control screens without needing a separate vibration monitoring terminal. The module is highly configurable, supporting multiple serial and Ethernet-based protocols to ensure compatibility with virtually any industrial network architecture.
BENTLY 3500/92
Product Parameters (Datasheet)
| Parameter | Specification |
| Model Number | 3500/92 (136180-01) |
| Protocols (Serial) | Modbus RTU, ASCII |
| Protocols (Ethernet) | Modbus TCP/IP, Ethernet/IP |
| Data Types | Current Values, Alarms, System Status, OK Limits |
| Ports | RS232, RS422, RS485 (via I/O), 10/100Base-TX |
| Update Rate | Typically < 1 second for Modbus values |
| Power Consumption | 5.0 Watts Typical |
| Operating Temp | -30°C to +65°C |
| Storage Temp | -40°C to +85°C |
Country of Origin
- Origin: United States (USA)
Usage Instructions
- Installation: Insert the 3500/92 module into any available slot in the 3500 rack (excluding the Power Supply and TDI slots).
- I/O Selection: Connect the appropriate I/O module (e.g., 10Base-T/100Base-TX or RS485) to the rear of the rack behind the 3500/92.
- Configuration: Use the 3500 Rack Configuration Software to select the desired protocol (e.g., Modbus TCP). Map the specific rack variables (vibration, speed, temperature) to the Modbus registers.
- Network Connection: Connect the Ethernet or Serial cable from the gateway to your PLC or DCS controller.
- Validation: Monitor the “TX/RX” LEDs on the front panel to verify that the external control system is successfully polling data from the rack.
Product Q&A
- Q: Is the 3500/92 required for machinery protection trips?
- A: No. Protection logic is handled by the monitor modules and relay modules. The 3500/92 is strictly for data communication and display.
- Q: Can I use two 3500/92 modules for redundancy?
- A: Yes. The 3500 rack supports redundant 3500/92 modules to ensure that communication with the DCS remains active even if one gateway fails.
- Q: Does it support transient data collection for System 1?
- A: No. Transient data (high-resolution waveforms) is handled by the 3500/22M TDI. The 3500/92 is intended for steady-state values and status bits.
Recommended Similar Models
- Bently Nevada 3500/22M: Transient Data Interface (for System 1 connectivity).
- Bently Nevada 3500/91: Ethernet/Modbus Gateway (Legacy version).
- Bently Nevada 146031-01: 10Base-T/100Base-TX Ethernet I/O Module for 3500/92.
- Bently Nevada 133323-01: RS232/RS422 Serial I/O Module for 3500/92.
- Bently Nevada 3500/93: System Display LCD interface.
Documentation & Manuals
For detailed Modbus register maps and Ethernet/IP configuration files:
Download BENTLY 3500/92 MANUAL datasheet
