Bently Nevada 3500/20-01-01-00 Rack Interface Module

The Bently Nevada 3500/20-01-01-00 is a Rack Interface Module (RIM) for the 3500 Machinery Protection System. It provides the primary communication link between the rack and external configuration or monitoring equipment. The standard RIM configuration includes an I/O module with a built-in modem, allowing communication through serial and rack-level interfaces. It also supports rack configuration and retrieval of machinery monitoring data.

Functions and Communication

The RIM manages communication between the 3500 rack and compatible external equipment. It allows users to configure the rack, access monitoring information, and transfer machinery data through supported communication interfaces.

Furthermore, the module supports Bently Nevada proprietary communication protocols and communication with compatible external processors, including TDXnet, TDI, and DDIX. Its communication interfaces serve different purposes:

• RS232: Provides front-panel serial communication with external equipment.
• RS422: Provides communication through the rack connector.
• Internal modem: Supports modem-based communication through the configured I/O module.

The front panel also provides LED indicators for monitoring module status and communication activity. Meanwhile, the maximum serial baud rate of 38.4 kbaud defines the specified upper communication speed for the serial interface.

Installation and Configuration

The 3500/20-01-01-00 occupies Slot 1 of the 3500 rack, adjacent to the power supply modules. Its position allows it to serve as the rack-level communication interface.

The ordering code identifies three configuration elements: the standard RIM, the I/O module with a built-in modem, and the absence of an agency approval option. Therefore, the complete suffix must be retained when selecting a replacement module.

Technical Specifications

Model Configuration

Frequently Asked Questions

Q: What is the main function of the Bently Nevada 3500/20-01-01-00?

A: It provides the primary communication interface for the 3500 rack. It supports rack configuration, machinery monitoring data retrieval, and communication with compatible external equipment.

Q: Does the 3500/20-01-01-00 include an internal modem?

A: Yes. The second configuration code, 01, specifies an I/O module with a built-in modem.

Q: Which communication interfaces does this module support?

A: The specified interfaces include front-panel RS232, rack connector RS422, and an internal modem. The maximum serial baud rate is 38.4 kbaud.

Q: Is the 3500/20-01-01-00 a TMR Rack Interface Module?

A: No. The 01 configuration identifies a standard RIM. The supplied configuration information distinguishes it from the 02 RIM configuration used for TMR applications.