Check system for a control board

G - Physics – 06 – F

Patent

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Details

324/58.1

G06F 11/00 (2006.01) G05B 19/042 (2006.01) G06F 11/273 (2006.01)

Patent

CA 1226037

ABSTRACT OF THE DISCLOSURE The present invention is directed to a check system for a control board provided with a microcomputer by the employment of a checker which is actuated by a check program provided with the microcomputer such that, at each time of the generation of the line shift signals, all input signal levels of the respective input connectors of the control board, except for the given connector, are detected to output at the check output connectors signal levels corresponding to the input signal levels in input line check, while the respective output connectors of the control board, except for the certain connector, are rendered in active states, in sequence, in an output line check, whereby an abnormal state to be disposed between terminals of the microcomputer and connectors of the control board can be detected.

465582

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