| 摘要 |
<p>PURPOSE:To prevent a processing defect due to a reading abnormality by comparing the reading results of two times of the same tape and discriminating the presence and absence of an abnormality. CONSTITUTION:A processor 6 makes a paper tape reader 4 read one block of a processing program recorded in a paper tape 3, the processing program is stored into a recording area 5a, the command is issued to the device 4 again and the same block is read. Both reading results are compared, and at the time of the coincidence, the processing program of a storing area 5a remains as it does and a processing cycle is continued. At the time of the nucoincidence, it is judged to be a processing program reading abnormality, the storing contents of the storing area are deleted, the processing stopping program is housed in the storing contents and the processor 6 stops the processing based on the processing stopping program. By the constitution, the processing defect due to the reading abnormality of the paper tape does not occur.</p> |
