10" colour touchscreen: 1805 & 1886 series
Modern digital technology for safety-current-limited applications or those at 500 VA / 200 mA.
PC-controlled cable testing system with resistance, hipot and insulation resistance test.
Industry: automotive industry
The requirement of this system in the automotive industry was to verify various cables with up to 10 cores and different connectors for electric motors. Despite the small distances between the individual terminal lugs, a hipot test up to 5,500 V AC and 6,000 V DC should be possible here.
Various connector plugs were produced for the various types of circuits. Then, the appropriate test adapters for the most varied motor cables could be connected via interchangeable transfer fields. The signals are transmitted via high current and spring contact probes. The arrangement is such that there are no flashovers in the connector plug during the hipot test. This was accomplished via special insulations of the contact pins. Besides the hipot test, a resistance test was also conducted with 4-wire measurement technique. All tests are automatically performed after connecting the cable once. To protect the user, the system was equipped with a light curtain.
An arbitrary number of test programs can be stored in the testing system PC. This allows the customer to independently write new test programs while developing new products. However, for products with identical data, it is also possible to use the same test program, which is then allocated to the respective DUT over the product list. The test results are stored automatically in XML or Access format on an arbitrary place on the network.
A separate test dummy is used to check the functionality of the testing system fully automatically. During the daily start of the testing system, the testing personnel is asked to connect this dummy and start the corresponding program. The testing system does not allow further testing without a passed dummy test.
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