Maple Systems HMI5000 Series - Manual (Page 170)

164 EZware5000 Series Programming Manual
1010-1007, Rev. 10
The HMI reads from the Sampling Object datalog file (*.dtl) immediately after the screen that contains the History
Data Display object is displayed.
 The data is only read and updated whenever the screen is first displayed. Data recorded to the datalog file (*.dtl)
after the History Data Display object is shown will not appear on the History Data Display object until the screen is
refreshed (closed, then opened again). A maximum of 20 channels can be displayed.
To create a History Data Display Object:
1. From the Objects menu, click History Data Display, or click the History Data Display icon in the Object 2
toolbar. The New History Data Display dialog box appears: