FIELD: electricity.
SUBSTANCE: multichannel voltage comparator with galvanical isolated channels comprises a clock generator, a binary counter of the controlled channel number, decoder, memory code values of controlled voltage and type code of control, DAC, voltage comparator, a digital logic element "XOR", output fixation voltage trigger for setpoint, analog multiplexer, device startup bus, voltage selection line, voltage survey line, voltage limited code line, resistors, limiting the input current surges when the input voltage changes, transistor optocouplers, capacitors, reverse voltage protection diodes, pulse transformers, variable resistors.
EFFECT: no need in separate, galvanical isolated voltage supply sources.
1 dwg
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