Siemens SIMATIC PANEL PC 877 - Manual (Page 101)

Operation
10.3 Device with key panel
SIMATIC Panel PC 877
Operating instructions, Release 07/2006, A5E00877780-01
10-13
Explanation:
The key labelled F13 outputs the key code LSHIFT+F1 and sets digital input DI 0.0 when the
direct key module is used.
For further information about using the tool, visit the Internet page
http://www.siemens.com/asis. Search here under "Download" using the term "Keypad".
The self-unpacking file F_KEY_Total.exe contains extensive information (description in
English and German, examples) on using the additional function keys of the Panel PC 877.