You can are display pens in the Process Analyst by
stacking or overlaying.
mode, a user-specified amount of vertical real-estate is allocated
to the pen, and with this, stacked pens are laid out under each
other on the pane, starting from the top of the pane under the
date/time axis, like this:
Here, three pens (one analog and two digital) are
stacked under each other. Stacking applies to every type of
mode, pens are drawn on top of each other. The order in which the
pens were added to the pane governs the drawing order: the last pen
added is the topmost pen drawn. When a pen is selected, it is
brought to the front of any other pens displayed
Here, two analog pens are overlaid. You can also
overlay digital and alarm pens.
You can have any mix of stacked and unstacked pens
on a pane.