| 摘要 |
PURPOSE:To realize a display of the asymmetrical trouble mode, by using a storage device that shows the asymmetrical trouble mode of the side where the output voltage deflects to 1 in case when a trouble arises. CONSTITUTION:A circuit consists of a fail-safe AND circuit [(a) and (b): positive input, (e): negative input; and (c): positive output]. The full output of a storage device MY are turned positive when a signal RS is turned positive when a signal CP is positive, and the output is held although the signal RS does not exist. The output CV1 disappears with the first negative polarity voltage of the signal CP; and a steering gate circuit delivers an output since a product is satisfied at ST1-ST3 and then delivers the output via a diode with the next positive pole. The output CV2 of the device MY disappears since no output exists at an AND circuit AL1 with the next negative pole. This procedure is continued successively. If either one of the circuits has a trouble, the circuit does not deliver any output and shows an asymmetrical trouble mode. |
