Unitronics electric UM2B, User Manual

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5.- SOFTWARE DESCRIPTION
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Figure 5-22: Warning message. The machine is charged.
In the measure process, a short circuit could appear in any instant (accidental union
of the measure clamps). The unit is able to detect short circuits when load time overcomes 2
seconds. In this case, it will show the following informative message, in which indicates that
the connections should be revised (Figure 5-23). Once revised, it will be necessary to repeat
the test:
Figure 5-23: Short circuit message.
In the case of not existing short circuit, voltage will be applied to the transformer for
the period established (Figure 2-2, phase 1) in the time base on the previous screen; the
machine will then be short-circuited and the recovery voltage measured (Figure 5-24).
Figure 5-24: Message for search of maximum recovery voltage in current cycle.