| 摘要 |
PURPOSE:To constitute so that operation is not executed unpreparedly by a command inputted from the outside, by providing a means for checking whether it is allowed or not to process the inputted command by the processing part, when the command has been inputted to a job pocessing part. CONSTITUTION:when a command is inputted and has been inputted to a job processing part, whether it is allowed or not to process the inputted command bt its job processing part is checked, and after that is is executed. For instance, a data, etc. are inputted by a keyboard KB, are transferred to a processing part PRU selected by a selecting part SW, parameter tables PTA, PTB are read out by a checking pat COMP of PRU, and a data, a command, etc. which have been inputted are checked in accordance with a parameter stored in PTA and PTB. Subsequently, as a result of checking, when the data and the command are valid, a terminal Y is raised, an AND gate part A is released and inputted to a processing unit PU, and if they are not valid, a terminal N is raised, an alarm display part AL is operated through the selecting part SW, and an alarm signal is outputted. |
