| 摘要 |
PROBLEM TO BE SOLVED: To easily and flexibly cope with the change of sequence control generated due to the change or addition/deletion of each peripheral device in a peripheral device control device or method. SOLUTION: A sequence code control part 1-24 receives a control request from a CPU1-1 or a status monitoring part 1-23, and reads the control task sequence code of requested control from the task leading address of a sequence table 1-21, and transmits a device control instruction described in a read control task sequence code and the port number of a port to which a controlled peripheral device 1-4 is connected to a port control part 1-25, and accesses the address of the next code described in the control task sequence code, and successively reads the next control task sequence code from the sequence table 1-21, and performs the sequence control according to the description of the control task sequence code. COPYRIGHT: (C)2009,JPO&INPIT
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