| 摘要 |
PROBLEM TO BE SOLVED: To improve an interface module inspecting method of a system, which transmits a first data telegraph code to an interface module 2 from a processor 1 so as to start the inspection. SOLUTION: For answer to first data telegraph codes, an interface module retransmits values stored continuously in a register to a processor with second data telegraph codes, and the processor carries out the inspection of the interface module, based on the values.
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