n The AutoBox needs nearly 50 A start‑up current on power‑up for a
few ms (regardless of the input voltage and the load). If your lab
power supply does not provide this current, you can take the
following measures:
n Connect a capacitor parallel to the output pins of the lab
power supply. It works like a current reservoir to reduce the
load on the lab power supply during turning on the AutoBox.
n The capacitor should be generously dimensioned and must be
certified for the selected input voltage.
The capacitor provides the needed start‑up current only
if it is charged. Therefore you must switch on the lab
power supply long enough before you switch on the
AutoBox.
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Accessories
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DS1103 Hardware Installation and Configuration November 2014
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