Accessories: Intermittent Fault Emulator
How do you verify whether test equipment can detect intermittent faults?
The Intermittent Fault Emulator (IFE) is the solution. The IFE enables manufacturers, suppliers and operators of any Intermittent Fault Detection (IFD) tester to demonstrate and verify its capabilities to detect and isolate intermittent faults.
It was designed to the USDOD's requirements to be able to evaluate and check the IFD performance of any tester used for IFD purposes.
Full IFE specification details are available in MIL-HDBK-527
IFE Features
The IFE produces fault events that mimic an intermittent fault in terms of duration, profile and ohmic change, and it can do this across multiple channels. Similar in appearance to an aircraft Line Replaceable Unit (LRU) the IFE consists of a number of connectors that provide the interface to the Tester Under Test (TUT), and connection to a host laptop or PC with the IFE user software. The IFE generates a variance in resistance across 256 channels, to represent intermittent fault events for the TUT to detect. Sequences of these events are run from the IFE user software. Event Sequences can be pseudo-random or user-defined event sequences; all sequences are saved and time-stamped and they can be repeated, modified, analysed and downloaded.
- IFE units are available in 64-Channel, 128-Channel and 256-Channel systems (units can be daisy-chained to gain more channels for a system)
- With 66-way 38999 connectors
- Or 64-Way male ribbon connectors
- Bespoke number of channels and output connectors on request
- USB Driven with Windows 7 (or greater) GUI
- UK Patent Pending
IFE User Software
During use the IFE is connected to a host PC (typically a laptop) and operated by use of a Graphical User Interface (GUI) software application loaded on the connected laptop. The IFE GUI ‘App’, pictured below, is used to set up intermittent event sequences and to manage, save and download the sequences and corresponding runs or emulations.
Follow this link to download a technical summary of the IFE
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