Save plant maintenance costs through reduced sensor power consumption
This resource is published by Renesas Electronics Europe
This paper describes a method for reducing the power consumption of sensor systems by utilizing the standby functions of a microcontroller (MCU). In concrete terms, the frequency of sensor measurements is reduced, and the system is kept in the standby condition for as long as possible. Furthermore, abnormality detection is also performed while remaining in this state. The 16-bit RL78/G11 MCU from Renesas Electronics provides numerous peripheral functions that are available in standby mode. With a suitable combination of these functions, it becomes possible to realize abnormality detection and alarm output without taking the MCU out of standby mode.
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