Invention Grant
US09404433B2 Control device equipped with multiple grounds 有权
控制装置配有多个接地

Control device equipped with multiple grounds
Abstract:
A control device is provided that can obtain high precision sensor outputs by way of a simple configuration without providing additional components. A control device 1 includes: an internal ground 24 and a power circuit 22, in which the internal ground 24 is divided into a high-power internal ground 241 provided inside of a housing 3 on a side of connection part 324, and a low-power internal ground 242 provided inside of the housing 3 at a position having an electrical distance from the connection part 324 that is farther than the ground 241. The ground of the control target 8 and the circuit 22 are connected to the ground 242, the ground of the sensor 6 is connected to a mounting part 325 having an electrical distance from the connection part 324 that is farther than the ground 241.
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