| 摘要 |
A redundant I/O module includes: a control I/O module that communicates with a controller and that comprises a first IOM setting information holding section for storing IOM setting information downloaded from a high-level apparatus, and a standby I/O module that communicates with the controller and that comprises a second IOM setting information holding section for storing IOM setting information downloaded from the high-level apparatus, wherein the controller includes: an IOM status generation section that detects a status of replacement of the standby I/O module; an IOM setting information acquisition section that makes an access to the first IOM setting information holding section of the control I/O module; an IOM setting information generation section that generates IOM setting information about the standby I/O module; and an IOM download section that downloads the generated IOM setting information into the second IOM setting information holding section of the standby I/O module. |
