Siemens PC 670 Guide de l'utilisateur Page 65

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Operating ProTool/Pro Runtime
6-9
ProTool/Pro Runtime User’s Guide
Release 12/99
6.3.2 Status Button
Purpose
The Status button is an operating and display element with the two states,
ON
and
OFF
. Status buttons indicate the status of a device which cannot be determined
from the operating unit (e.g. a motor). At the same time, it is also possible to
change the status of the device concerned on the operating unit.
Behavior
The behavior of the Status button can be configured:
S Switch:
The Status button toggles from one state to the other each time it is operated,
and remains in the respective state until it is operated again.
S Key:
When operated, the Status button changes to the
ON
status. It remains in this
status as long as it is being pressed. When released, it automatically switches
back to
OFF
, its home position.
Functions which have been assigned to the Status button can be triggered, for
example, by the following configurable events:
S Change of status
S Pressing
S Releasing
If the status of the Status button changes from the type
switch
due to a modification
of the configured tags, none of the described events is triggered.
Display
When the Status button is set to the
switch
type, the two states can be assigned
different texts or graphics in ProTool/Pro CS which are displayed on the Status
button during runtime.
Figure 6-2 illustrates an example of a Status button when pressed (left) and not
pressed (right).
Figure 6-2 The two statuses relate to the Status button when the Switch option is set
Operation
The Status button is operated as a normal button (refer to Page 6-8).
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