| 摘要 |
PROBLEM TO BE SOLVED: To prevent a system from becoming a stop state or a degeneration state if a fault occurs in a control device or if the control device is checked or changed.SOLUTION: A redundancy radio control system 10 comprises: a PI/O 32 which stores an address set to the PI/O 32, and communicates with an auxiliary device 40 and a detector 41 via radio communication on the basis of the address; a standby PI/O 32-r which is a standby of the PI/O 32; a controller 31 which notifies the standby PI/O 32-r of an identifier set to the PI/O 32 and the occurrence of abnormality when it detected the abnormality of the PI/O 32; and a standby controller 31-r which substitutes the standby PI/O 32-r for the PI/O 32 if it has received the abnormality notification of the PI/O 32 from the controller 31. The controller 31 communicates with the PI/O 32 via radio communication. The standby controller 31-r communicates with the standby PI/O 32-r via radio communication. |
