GE / Bently Nevada 3500/22M Series Transient Data Interfaces
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GE / Bently Nevada 3500/22M Series Transient Data Interfaces


  • Interface Between the 3500 Monitoring System and System 1 Machinery Management Ssoftware
  • Combines Capability of 3500/20 RIM with Communication Processor
  • Operates in Conjunction with the M Series Monitors

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  • Description
  • Tech Specs
  • Datasheets / Manuals 
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The GE / Bently Nevada 3500/22M Series Transient Data Interfaces (TDI) are the interface between the 3500 monitoring system and Bently Nevada's System 1 machinery management software. The TDI combines the capability of a 3500/20 Rack Interface Module with the data collection capability of a communication processor such as TDXnet.

TDI operates in the RIM slot of a 3500 rack in conjunction with the M series monitors (3500/40M, 3500/42M, etc.) to continuously collect steady state and transient waveform data and pass this data through an Ethernet link to the host software. Static data capture is standard with the TDI, however using an optional Channel Enabling Disk will allow dynamic or transient data to be captured as well. TDI has made improvements in several areas over previous communication processors in addition to incorporating the Communication Processor function within the 3500 rack.

TDI provides certain functions common to the entire rack, however the TDI is not part of the critical monitoring path and has no effect on the proper, normal operation of the overall monitor system. One TDI or RIM is required per rack. The TDI occupies only a single slot in the rack and is always located in Slo t 1 (next to the power supplies).

For Triple Modular Redundant (TMR) applications, the 3500 System requires a TMR version of the TDI. In addition to all the standard TDI functions, the TMR TDI also performs "monitor channel comparison". The 3500 TMR configuration executes monitoring voting using the setup specified in the monitor options. Using this method, the TMR TDI continually compares the outputs from three (3) redundant monitors. If the TMR detects that the information from one of those monitors is no longer equivalent (within a configured percent) to the remaining two, it will flag the monitor as being in error and place an event in the System Event List.

Product Family: 3500/22M, 3500-22M, 3500 22M
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Manuals, Datasheets, Drivers, Links

GE / Bently Nevada 3500/22M Datasheet (pdf) 
Link to GE / Bently Nevada Website