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ADE7953 UART Communication with Opto Coupler

Question asked by Mokthar on Apr 10, 2017
Latest reply on Apr 21, 2017 by dlath

Hi, Am using ADE7953 along with TI's CC2530 using UART communocation. I developed a prototype for testing. 


Where i have used either iCoupler or PC817 optocoupler for UART communication. When the communication is through iCoupler there is no issues. 


But while testing the same with PC817 opto there is no continuous data. In a loop test after few hours there is no data coming through UART. Once i refresh and restart it runs gud for some time again.


My schematic is attached as image below. Any solution to over come this. Is this because of noise from the high voltage side.


With Regards,