| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a monitoring device which enables a user to immediately comprehend an operation state of a target device and a control state of the target device by a plurality of control methods. <P>SOLUTION: In a monitoring device which is connected to a controller for controlling a target device by a plurality of predetermined control methods by a communication line, a control state trend which displays an operation state of the target device together with a control state by each of the control methods is displayed, so that a user can immediately identify which control method among the multiple control methods has caused the target device to start or stop. <P>COPYRIGHT: (C)2012,JPO&INPIT |
