User guide

eWON 500-2001-4001-4002 User Guide - Monitoring Web Interface
eWON 500®2001®4001®4002® Version 4_3_0 - User Guide - 10/5/05 - ©ACT'L sa - Page 114
The user has then to select the correct time range for the Tag's selection and click on the Update link to obtain a historical trend.
The common axis checkbox allows visualizing all Tag names on the same axis.
If the scales are different, it is cleaner to display each curve with its own scale (by unchecking the Common Axis checkbox).
Figure 68: eWON historical trend configuration - 2
Figure 69: eWON historical trend graph