发明申请
US20120078555A1 Intelligent Electronic Device and Method Thereof 有权
智能电子设备及其方法

Intelligent Electronic Device and Method Thereof
摘要:
An intelligent electronic device (IED) having a gain control unit adapted to selectively regulate operating ranges of output signals of a sensing circuit of the device is described. In one embodiment, the IED is a digital electric power and energy meter, which operating ranges for supply voltages and supply currents of electrical services may be adjusted to match pre-determined ranges for input signals of a data acquisition system or a data processing module of the meter.
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