A device for measuring current of an electric power line conductor includes a housing with an opening for accepting a power line conductor. The method may include receiving a power transistor test request, and resetting a fault flag for each power transistor, wherein the fault flag indicates a fault status associated with a corresponding power transistor. The derivative of the curve is determined to obtain peak acceleration. The out-of-band data signal comprises diagnostic data of the communication module. Also disclosed are pharmaceutical compositions containing these oligooxopiperazines and methods of using these oligooxopiperazines. Displaying the stored data on a screen is used to check as to whether the number of machining shapes and the machining frequency relating to each machining shape have been programmed correctly or not.