The test plan in the SAE AS4117 standard developed by the Society of Automotive Engineers (SAE) defines the requirements for bus components that comply with the MIL-STD-1553B standard digital time division command/response multiplexed bus requirements.
The requirements of the test plan apply to bus components designed to meet the MIL-STD-1553B standard when called upon in a specification or a statement of work. The test plan is used for both design validation and production testing of bus components.
The SAE AS4117 standard only deals with the electrical characteristics of bus components. There are differences between bus systems due to certain program requirements and designer options. Therefore, the system designer should allow for the effects of temperature, vibration, sealing, electromagnetic interference (EMI), and other environmental factors on bus component properties. Considering these factors increases the likelihood that bus components will work properly when used in their intended environment.climbs.
The requirements of that test plan must be met in all system operating environments. However, the direct current resistance criteria are assumed to be measured at 25 degrees and must be corrected for measurements made at another temperature.
For the purposes of this test plan, it is possible to determine all busbar and stub connections, the selected bus cable characteristic impedance, transformer winding resistances, and values of any series and terminating resistors used within the coupler.
Because transformer coupled bus couplers contain terminating resistors or have wires connected, it is not always possible to directly test the transformer and resistors. In such cases, transformers and resistors should be tested prior to assembly to verify that they meet the requirements of the MIL-STD-1553B standard.
Multiple stud couplers are tested by repeating the tests contained herein for each individual stud. Tests may be performed in any order unless otherwise noted.
Among the numerous test, measurement, analysis and evaluation studies it has given for businesses in various sectors, our organization, with its trained and expert staff and advanced technological equipment, provides digital time division command/response multiplex bus couplers, terminators and bus cables within the scope of SAE AS4117 standard. It also provides testing services.
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