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ADE7880, Can't get ZXTOVA, ZXTOVB, ZXTOVC flag at STATUS1

Question asked by karens on Sep 12, 2014
Latest reply on Oct 14, 2014 by karens

Hello,

 

I am new to ADE7880.

 

I enable ZXTOVA, ZXTOVB, and ZXTOVC bit at MASK1 register. I expected to get ZXTO, ZXTOVB, ZXTOVB flag if I removed the voltage. I use the default value of ZXTOUT, didn't change the value. But I never got any one of those ZXTOVx flags. From the voltage RMS value readings, I can tell the changes on the voltage, but those flags on STATUS! register were never been set to 1. Bit 7:0 of STATUS1 register were always zero. Do I miss any setup here?

 

thank you very much for the help.

 

Karen

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