| 摘要 |
PROBLEM TO BE SOLVED: To record and preserve realtime data at the time of the generation of failure in an external storage medium, without the use of manpower. SOLUTION: In this failure diagnosis method, a programmable controller 1 having the interface of a PC card prepares a file in which the contents of an error code 3, failure history 4, and each kind of table 5 at the time of the generation of failure are written in a PC card 6, and a personal computer 7 having the interface of the PC card analyzes the information of the error code, failure history, and time stamp, and searches the cause of the failure of the programmable controller main body. |
