| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a programmable display unit extremely valid for monitoring or operating a device installed in a job site. <P>SOLUTION: This display unit 2 for performing the picture display of an operation picture for performing the circumstance display or user operation of a device to be controlled by a PLC 3 with graphic elements is configured to display a virtual keyboard 27 having the same key array as that of a hardware keyboard 26 in the picture, and to execute definition so that the same operation event as that of each of the key button objects of a virtual keyboard 27 and each of the key buttons of a hardware keyboard 26 can be generated, and to, when the virtual keyboard 27 is operated, issue the same operation event as that of the hardware keyboard 26 corresponding to this. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
