The 3500 Transient Data Interface (TDI) is the interface between the 3500
monitoring system and GE’s System 1* machinery management software. The
TDI combines the capability of a 3500/20 Rack Interface Module (RIM) with the
data collection capability of a communication processor such as TDXnet.
The 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. (Refer to the Compatibility section at the end of this document.) Static
data capture is standard with the TDI, however using an optional Channel
Enabling Disk will allow the TDI to capture dynamic or transient data as well. The
TDI features improvements in several areas over previous communication
processors and incorporates the Communication Processor function within the
3500 rack.
Although the TDI provides certain functions common to the entire rack it is not
part of the critical monitoring path and has no effect on the proper, normal
operation of the overall monitor system. Every 3500 rack requires one TDI or
RIM, which always occupies Slot 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 monitor 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 TDI detects that the information from one of those
monitors is no longer equivalent (within a configured percent) to that of the other
two monitors, it will flag the monitor as being in error and place an event in the
System Event List.
Shipping Port: Xiamen, China
