BENTLY NEVADA 3500/22M-01-01-01  Transient Data Interface

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BENTLY NEVADA 3500/22M-01-01-01  Transient Data Interface

The 3500 Transient Data Interface (TDI) is the communication and data acquisition gateway for the Bently Nevada 3500 Machinery Protection System. It connects the 3500 rack to System 1 for machinery diagnostics, condition monitoring, and asset management.

Main Functions of the 3500 TDI
Acts as the primary interface between the 3500 rack and external monitoring software.
Installed in Slot 1 of the 3500 rack beside the power supplies.
Combines:
The functions of a 3500/20 Rack Interface Module (RIM)
The communication capability of older external communication processors such as TDXnet.
Data Collection Capability

The TDI continuously gathers:

Steady-state data
Overall vibration values
Temperature
Process variables
Alarm status
Transient / dynamic waveform data
Startup and coast-down events
Orbit plots
Timebase waveforms
Spectrum data

This information is transmitted through an Ethernet connection to System 1 software for advanced analysis and diagnostics.

Supported Monitor Modules

The TDI works with M-series monitor modules including:

3500/40M
3500/42M
Other compatible 3500 M-series modules
Key Advantages
Integrated Communications

Older systems required separate communication processors. The TDI integrates this functionality directly into the rack.

Ethernet Connectivity

Provides faster and easier network integration with plant monitoring systems and System 1 servers.

Transient Data Recording

With the optional Channel Enabling Disk, the TDI can record high-resolution transient events useful for:

Turbine startup analysis
Compressor diagnostics
Rotor instability investigations
Machinery fault analysis
TMR (Triple Modular Redundant) Version

For critical applications, the system can use a TMR TDI version.

In a TMR configuration:

Three redundant monitors operate simultaneously.
The TMR TDI continuously compares outputs from the three monitors.
If one monitor deviates beyond configured limits, the TDI:
Flags the faulty monitor
Logs an event in the System Event List
Supports system reliability and fault tolerance

This architecture is commonly used in:

Gas turbines
Steam turbines
Large compressors
Critical rotating equipment in power and petrochemical plants
Important Note

Although the TDI supports rack-wide communication and data management, it is not part of the critical protection path. Machinery protection functions continue operating normally even if the TDI fails or communication is interrupted.

Typical Applications
Power generation turbines
Oil & gas compressors
Petrochemical rotating equipment
Large motors and generators
Critical process machinery monitoring

BENTLY NEVADA 3500/22M-01-01-01  Transient Data Interface

The prices of all products of Zhangzhou Fengyun may fluctuate at any time. The specific price is subject to the customer service quotation. Please confirm the model, product, price and other details with the customer service before placing the order. Second-hand and brand-new products are sold in the store. Please contact the customer service for details.

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