Bently Nevada 3500/92-03-01-00 136188-01 Ethernet/RS232 Modbus I/O Module

Description

The Bently Nevada 3500/92-03-01-00 is a Communication Gateway Module designed for the 3500 Series Machinery Protection System. Its primary purpose is to provide continuous, high-speed communication capability for all rack-monitored values and statuses, enabling seamless integration with distributed control systems (DCS), programmable logic controllers (PLC), human-machine interfaces (HMI), and other plant automation systems.

The module features comprehensive communication interfaces, utilizing both Ethernet TCP/IP and serial channels (RS232) via the 136188-01 I/O module. It handles internal data collection by pulling current measured values, time stamps, module statuses, and alarm statuses from other monitor modules within the rack via a high-speed internal network. Additionally, the 3500/92 supports direct Ethernet communication with proprietary 3500 Rack Configuration Software and Data Acquisition Software. This specific variant features a Configurable Modbus Register Utility to map system data efficiently into host automation networks.

Features

• Continuous collection of rack data, including current measured values with time stamps, module statuses, and alarm statuses.
• Simultaneous communication capability over Ethernet TCP/IP and serial links.
• Configurable Modbus Register Utility to customize register mapping for host systems.
• High-speed internal network collection rate that updates all rack modules in less than 1 second.
• Front panel LED indicators for immediate monitoring of module operational status (OK) and communication activity (TX/RX).
• Backward compatibility with software features of the original 3500/90 module.

Applications

• Steam and gas turbine vibration and status monitoring integration.
• Compressor and pump protection data transmission to plant DCS.
• Industrial machinery condition monitoring and predictive maintenance networks.
• Power generation and petrochemical plant automation synchronization.

Ordering Information

• 3500/92: Communication Gateway
• 03: Ethernet/RS232 Modbus I/O Module
• 01: Low Memory
• 00: None Agency Approval Option
• 136188-01: Ethernet/RS232 Modbus I/O Module Spare (Includes Firmware Upgrade Kit 126M4118-01)
• 126M4118-01: Firmware Upgrade Kit

Technical Specifications

Connections/Interfaces

Installation Guidelines

• Firmware Verification: Ensure that older Communication Gateway main modules are upgraded using Firmware Upgrade Kit 126M4118-01 before installing the new 136188-01 I/O module.
• Rack Insertion: Insert the main board into the designated communication slot of the 3500 rack, ensuring full seating and secure fastening of the chassis screws.
• I/O Module Alignment: Install the 136188-01 I/O module directly behind the main module from the rear of the 3500 rack.
• Cabling Constraints: Use standard 10BASE-T Ethernet cabling with RJ-45 connectors for network setups, limiting cable runs according to IEEE 802.3 metrics.
• Environmental Control: Ensure operating ambient conditions do not exceed 65 degC and that ventilation paths on the 3500 chassis remain unobstructed.

Compliance and Certifications

• cNRTLus
• ATEX
• IECEx

FAQ

What is the function of the 3500/92 module?

It acts as a communication gateway, exporting data from a 3500 machinery protection rack to external automation systems like PLCs and DCS.

Which interfaces are provided on the 136188-01 I/O module?

It provides an RJ-45 Ethernet connection and an RS232 serial interface.

What protocols can run over the Ethernet connection?

It supports Modbus/TCP protocol as well as the proprietary Bently Nevada host protocol for software applications.

How does this module differ from the older 3500/90 module?

It removes the fixed primary value Modbus registers and replaces them with a flexible Configurable Modbus Register Utility.

How long does it take for the module to refresh data from the rack?

The data collection rate varies by configuration but is guaranteed not to exceed 1 second for all modules.

What is the typical power consumption of this specific I/O setup?

The system typically consumes 5.0 Watts when equipped with the Modbus RS232 I/O module configuration.

Can I connect my 3500 Configuration Software through this gateway?

Yes, it allows Ethernet communications with the 3500 Rack Configuration and Data Acquisition Software packages.

What should I check if the TX/RX LED is dark?

Verify that the module is correctly seated and that the internal rack communication bus is active and functioning.

Is a firmware upgrade mandatory when swapping in a new 136188-01 interface?

Older main gateway modules require a firmware upgrade using kit 126M4118-01 to properly recognize the new I/O hardware.

What are the environmental storage limitations for this hardware?

The module must be stored within an environment ambient temperature range of -40 degC to +85 degC.