| 摘要 |
The information of abnormal state in unit-Micoms is displayed with a LED displaying unit to supply the efficiency of A/D conversion. The display circuit has an oscillator (50) for generating the specified frequency, a divider (40) for generating the specified clock signal, a control signal generator (10) for outputting the control signals (y1,y2) corresponding to the abnormal state, an LED display unit (70), a logic arithmatic unit (60) for driving the LED, a 7 segment decoder (20) for driving the abnormal state display unit (30), gate means (G1,...,G16) for controlling the error state signals (A0-A3,B0-B3,C0-C3) of Micoms (A,B,C) and decoders (DCD1,DCD2) for driving the gate means.
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