The USB controller was specifically developed as a control unit of a versatile modular load switching system which can be operated both via USB and Digital I/O. This load switching system in a 19’’ constructional form, which can be used either as a standard component integrated in functional test systems or as a stand-alone unit, has, among other things, the following possible applications:
USB-S 48
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- Switch-in of original or equivalent loads at UUT outputs and inputs.
- Loop-in of shunt resistors into the load circuit to detect load currents.
- Provision of galvanically decoupled control signals for the control of external and internal relays.
- Build-up of relays matrixes.
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Several options allow the modification of the load box to a unit, which not only provides load switches but includes these loads in itself. A compact device for load simulation is thereby available which can easily be configured by means of the standard load modules.
USB-S 48 
