| 摘要 |
The invention proposes a device for communication between a microcontroller (11) of an electronic module (10) and a microcontroller (22) of a sensor (20), the sensor being supplied with current by the electronic module (10) via a power supply line (W1), and: the electronic module comprises a control signal generator (40), which generates a control signal in modulation voltage on the power supply line, the sensor comprises a device for regulating the control signal (30), connected to the power supply line, which comprises: a high-pass filter (FPH), a voltage limiter (LT), an open collector output (CO), arranged such that the control signal at the output of the device for regulating the control signal is a voltage signal of constant mean value and included within the supply voltage window of the sensor microcontroller. |
