| 摘要 |
PURPOSE: To perform configuration control over stand-by doubled computer system by a software function making good use of a LAN by eliminating the need for the configuration control board of a relay sequence circuit. CONSTITUTION: This controller consists of plural process computers 11, 12, and 13, auxiliary storage devices 14, 15, and 16 which can be switched and connected mutually among those process controllers, an operator terminal device 17 which is connected to the process computers by the LAN 18, and remote input/output devices 19, 20, and 21 equipped with power source control and stop control circuits which are connected to the process computers respectively and control the start processing and stop processing of the corresponding process computers with commands from the operator terminal devices. |
