| 摘要 |
Provided is an analog front end circuit for measurement used as an interface with a sensor and a control device, comprising an insulating unit handling an interface with the sensor and including at least an AD conversion circuit, a non-insulating unit handling an interface with the control device and including at least a control circuit, and an insulation communication unit performing half duplex insulation communication between the insulating unit and the non-insulating unit, wherein the control circuit performs setting regarding measurement on the insulating unit through the insulation communication unit, transmits an AC conversion execution command to the AD conversion circuit, obtains an AD conversion result by the AC conversion circuit from the insulating unit through the insulation communication unit, and subsequently transmits the obtained AD conversion result to the control device. |
