BENTLY 3500/92 136180-01 Communication Gateway Module

Overview

The 3500/92 occupies a single slot in a 3500 rack and interfaces with all monitoring modules via the internal bus. It collects steady‑state data (e.g., vibration amplitudes, temperatures, speeds) and alarm statuses, then makes this information available to external systems through its communication ports. The 136180-01 variant typically includes both serial (RS‑232/RS‑485) and Ethernet ports, supporting flexible network topologies and redundancy options. It is an essential component for integrating the 3500 system into plant‑wide automation and asset management architectures.

Key Features

• Protocol Support: Modbus RTU (master/slave), Modbus TCP, and proprietary Bently Nevada protocols.

• Dual Communication Ports: One RS‑232/RS‑485 serial port and one 10/100Base‑T Ethernet port (depending on configuration).

• Data Mapping: Configurable data tables allow users to select which channels and values are exposed to the external network.

• Redundant Communication Paths: Supports dual Ethernet connections for failover in critical applications.

• Alarm Forwarding: Can send alarm events as Modbus exceptions or via unsolicited messages.

• Web Server: Built‑in web interface for basic monitoring and diagnostics.

• Time Synchronization: SNTP client for network time alignment.

Technical Specifications

• Processor: 32‑bit, 200 MHz.

• Memory: 32 MB SDRAM, 16 MB Flash.

• Serial Port: RS‑232 (DB9) or RS‑485 (terminal block), baud rates up to 115200.

• Ethernet Port: 10/100Base‑T, RJ45, with auto‑negotiation.

• Protocols: Modbus RTU, Modbus ASCII, Modbus TCP, HTTP (web server).

• Power Supply: 5 VDC from rack backplane.

• Operating Temperature: -30°C to +65°C.

• Certifications: CSA, CE, ATEX (for safe area use).

Applications

The 3500/92 is used in virtually every 3500 installation where remote monitoring or integration with plant control systems is required. Typical applications include:

• Sending vibration and temperature data to a DCS for operator display and trending.

• Providing alarm information to PLC‑based shutdown systems.

• Feeding data to condition monitoring software (e.g., System 1) for advanced diagnostics.

• Integrating with plant historians for long‑term data storage and analysis.

Configuration and Integration

The gateway module is configured using the 3500 System Configuration Software. Users define the communication parameters (baud rate, IP address, etc.) and create data mapping tables that specify which 3500 data points correspond to which Modbus registers. The module supports both polling and unsolicited message modes. Once configured, the 3500/92 operates autonomously, continuously updating the external system with fresh data. Its robust design ensures reliable communication in harsh industrial environments.

In summary, the BENTLY 3500/92 136180-01 communication gateway module is a powerful tool for extending the reach of the 3500 monitoring system, enabling seamless data integration and enhancing overall plant visibility and control.