This document serves as an application note for the HO series current transducer, detailing its programming functionality through a microcontroller interface. It provides a comprehensive overview of the Application Specific Integrated Circuit (ASIC) used within the transducer, including its EEPROM and RAM configurations. The note elaborates on the serial communication protocols necessary for interacting with the ASIC, outlining timing charts and command lists. Furthermore, it presents a practical implementation example using the Arduino platform, demonstrating how to change transducer settings via sample programs and schematics. This guide is essential for engineers and developers working with LEM's HO series current transducers.
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