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Working with the Control Module
Displaying Data Graphically
Y (signal unit) axis
To rescale the Y (signal unit) axis there are several possibilities:
• From the Plot Selection windows (available from the Plot screen via the Select
button [F6]) choose a signal from either list box and press the Setup button [F7].
You can specify a Y range separately for each signal. This setting can also be
made for signals not being part of the Selected Signals list box. Rescaling directly
from the Plot screen will overwrite these settings.
• Use the Rescale button [F7] in the Plot screen to adjust the Y axis according to
the minimum and the maximum signal value within the set time range. Using this
function provides the optimum signal display. It refers only to the active signal
indicated at the top of the screen.
• Use the selection keys to change the scaling of the Y axis by a factor of 2
respectively 1/2.
NOTE Using the m (menu) key and choosing maximize you can enlarge the diagram to full
display size. Press the Restore button [F6] to return to the regular view.
Toggling Signals
You can monitor up to 3 different signals from different modules in real-time
(updates every second) on the Plot screen. Although all 3 signals are shown in the
display, the Rescale button [F7] only refers to the active signal. The active signal is
shown in the Plot screen title and can be toggled by pressing the 1, 2, 3 keys on the
numeric keypad.
Displaying Exact Signal Values
Selecting the Cursor button [F8] in the Plot screen displays the X and Y value of the
current cursor position for the active signal. In this mode, using the Selection keys
you can rescale the Y axis. Using the Direction left/right keys you can move the
cursor along the graph in an X direction in order to find the position you want.
Print Graph
If a printer is connected to your system you can print the contents of the Plot screen
by pressing the m (menu) key and selecting Print Plot. This works also for the
maximized view.
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