Siemens OP15, Equipment Manual, Page: 43 / 177

5-1
Manual OP5, OP15
( ) J31069-D0840-U001-A2-7618
Screens
On the OP, the process – for example, a processing machine or a mixing unit
– is displayed on screens and manipulated. The screens are configured by the
configurer for specific users.
On screens, associated process values are acquired and provide an overview
of a process or system. In addition to this alphanumeric ”imaging” of the pro-
cess, screens provide a means of entering process values and, consequently,
of controlling the process.
Process values on a screen can be randomly assigned to subject-related
groups. An example of this is shown in figure 5-1.
Furnace 1 temperature: 80
°
C
Furnace 2 temperature: 78
°
C
Furnace 1 contents: 1200 l
Furnace 2 contents: 3000 l
Valve 1 pressure: normal
Valve 2 pressure: slightly high
Figure 5-1 Example of Process Values Grouped by Subject on a Screen
Every screen contains
a title (optional),
screen entries,
a return destination reached by pressing the ESCAPE key.
Possible return destinations are
– the message level
– another screen
– a directory
– the point at which the current screen was chosen.
Screens can be grouped during configuration in a screen directory, which is
used to display them on screen or print and edit them. A screen can be retrie-
ved from its screen directory by its screen number and its screen title, if con-
figured.
Displaying and
influencing the
process on
screens
Screen
components
Screen directory
5