Siemens SIMATIC HMI 177 Operating Instructions Manual page 93

3. For illuminated pushbuttons, key-operated switches and handwheels (global assignment):
4. For a handwheel (local assignment):
5. The "Control_Element_PLC" tag writes the value of the "Status_Control_Element" tags
6. Open the properties window of the "Status_Control_Element" tag. Click "Change value" in
Mobile Panel 177 (WinCC flexible)
Operating Instructions (Compact), Edition 07/2005
Open the template in the "Screens" editor. Select the operator control element in the
template. Click on the "General" group in the properties window. Select the
"Status_Control_Element" tag at "Tag" in the "Settings" section. When you operate the
operator control element, the value is written into the "Status_Control_Element" tag. For
illuminated pushbuttons you can additionally configure the "LED_Tag" tag in order to
control the integrated LED.
Figure A-2 Tag assignment using illuminated pushbuttons as an example
Open the screen in which you want to assign the handwheel locally in the "Screens"
editor. Configure the function "ConnectTagWithHandwheel" on a command button or
directly into the screen structure. Select the "Status_Control_Element" tag at "Value".
When you operate the operator control element, the value is written into the
"Status_Control_Element" tag.
into the PLC. The "SetValue" system function has to configured at the
"Status_Control_Element" tag in order for the value to be transferred.
the properties view of the "Status_Control_Element" tag in the "Events" group. The
"Function list" dialog box opens. Click the first line of the function list. The list appears,
showing the available project functions.
A.2 Evaluation of the operator control elements
Appendix
A-11