Industrial Voltage and Current Meter
Project Detail
Voltage And Current Meter For an Industrial Device in an environment full of Transformers , Inductive Loads and EMI emissions .
Wide Input Voltage Range ( -100V <-> +100V ) With 50mV Accuracy .
Wide Current Sensing Range ( 0 <-> 20A ) With 50mA Accuracy .
6 7-Segments Display .
RS422 and RS485 Interface with Modbus Protocol supports .
Design Sections
Schematics
PCB
Firmware Design
Key Part Of the Design
STM32F0
SPI-FLASH
Voltage Input ( -100V <-> +100V )
Current Meter ( 0 <-> 20A )
7-Segments
Wide Operating Vin ( +8V <-> +60V ) with polarity Protection
Tools Used
Schematics and PCB : Altium Designer ( 2 Layers )
Firmware : Keil , C/C++ , ARM-COMPILER
