| 摘要 |
PROBLEM TO BE SOLVED: To provide a security controller with flexible scalability for highly frequently using a display screen for multiple purposes. SOLUTION: The security controller includes a general purpose interface 13, uses the display screen 12 for displaying the state of security equipment 30 also for displaying information relating to expansion equipment connected through the general purpose interface, thereby effectively utilizing the display screen. Also, when abnormal signals from the security equipment are detected, even when the information relating to the expansion equipment has been displayed, the security controller preferentially displays the information relating to the security equipment and a function that an original security controller should be provided with is satisfied. COPYRIGHT: (C)2006,JPO&NCIPI
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