| 摘要 |
<p>PURPOSE: To display a required trend graph without requiring a complicated operation. CONSTITUTION: This device is formed by attaching following means on a conventional operation device; an automatic judgement allocation mode judging processing means 31 which judges the presence/absence of an automatic allocation request, an automatic allocation operating terminal selection judging processing means 32 which judges a selected operating terminal, an automatic trend graph point allocation means 33 which judges an automatic allocation target point set on the operating terminal and registers data required for the groups for automatic allocation of tables 34, 35, and issues a display request to a trend graph display means 7, a trend graph automatic allocation managing table 34 capable of storing the flag in display and display period of the group for automatic allocation, the trend graph point automatic allocating table 35 capable of storing the point tag number/range upper and lover limit values of the group for automatic allocation, and an operating terminal automatic allocation information table 36 which further stores the display period and the range upper and lover limit values of an automatic allocation target point at every operating terminal.</p> |
