| 摘要 |
<p>PROBLEM TO BE SOLVED: To visually and easily grasp the display contents of an error message by displaying both fixed contents and relative variable contents of the message. SOLUTION: This device is provided with a data communication means 16 which is connected to a prescribed external device 10 via a channel and can store the data in a state data storage means 27 for example, an event data storage means 18 which stores plural processing directives including the information that specifies the contents of the unit operation to be processed, and a data display means 22 which decodes in sequence the processing directives stored in the means 18 and can display the data on a display screen 20 corresponding to the information that is referred to by every processing directive. In regard to the processing directives, the fixed data such as an error message that is previously set in response to the change of contents of the 1st data 24, etc., can be shown on the screen 20. Furthermore, the variable data corresponding to the current contents of one or plural 2nd data 26 are serially displayed among those fixed data.</p> |
