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S7999B, S7999C SOLA LOCAL OPERATOR INTERFACE
49 65-0303—05
The S7999B must be assigned an IP address by a DHCP
server for it to operate on the local network, so the Use DHCP
box should be checked. However, because the S7999B
requires this feature, it ignores the checkbox and always
regards it as checked. The checkbox is included for future
purposes when dynamic IP addressing isn’t required.
Trend Analysis Page (S7999B Only)
Trend analysis of R7910 or R7911 status data can be viewed
on the S7999B. A graph displays a historical view of R7910 or
R7911 status data over varying time periods.
A 2-dimensional graph with status data values shown on the Y
axis over time specified on the X axis is displayed. Status for
the most recent time is represented on the left side of the
graph with older status running towards the right side of the
graph.
Fig. 106. Trend analysis page.
Up to 4 R7910 or R7911 status variables can be viewed at the
same time on one trend analysis graph. Select the status
variables for the graph on the menu page (see Fig. 107). This
menu displays when the Trend Analysis button is selected on
the R7910 or R7911 status page.
Fig. 107. Trend analysis menu page.
The status variable with the largest range (minimum to
maximum) is used as the Y-axis range in the graph.
As the status variables are selected they are listed in a trend
variables list box. The user chooses the status variables from a
drop down menu and then presses the Add button to add each
status variable to the trend variable list. See Fig. 108. After all
status variables have been selected press the Show button to
view the trend analysis graph.
Fig. 108. Trend analysis menu page.
Each status variable displayed in the trend analysis is
represented by a different colored line, as follows:
1. First status variable = green
2. Second status variable = yellow
3. Third status variable = red
4. Fourth status variable = blue
No more than two different measurement units (such as
degrees), are allowed for the status variables selected in the
trend analysis graph. Attempts to add a status variable with a
third measurement unit are rejected.
A second Y axis is displayed on the right side of the graph to
represent the scale for the second measurement unit. This can
result in minor clipping of the curves on the right side, as
shown in Fig. 109 and 110.