| 摘要 |
PURPOSE:To compensate a response even in case when a task which is being processed does not abandon a right of execution for many hours, by executing a control so that a response is returned to a control station from an interruption processing part of a circuit control part with respect to a call signal from the control station. CONSTITUTION:An interrupting signal is sent to an interruption processing part 11-1 of a work terminal WS21 from a control part 1 and the processing is ended, thereafter, a call signal PS returns a response A within a prescribed time. Therefore, the control station 1 can know an interruption processing state in the work terminal WS21. After this response A has been returned, the right of execution is shifted to a task A again, and the processing is continued from (e). |
