BECKHOFF CP9090-S100 - Manual (Page 33)

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33
TWIN
CAT
SKey
Returns the status of specified SKey on control panel connected to CP9030.
HRESULT SKey(
[in] short nIndex,
[out, retval] VARIANT_BOOL* pVal
);
Parameters
nIndex
Number of SKey, 1..27
pVal
TRUE if SKey pressed. FALSE if not pressed
Comment
You can poll the state of an SKey by reading the property "SKey". If you set "CycleEnabled" to TRUE, SKey-
events will be fired if state of an SKey changed.
Sample VB-Syntax
Dim bSKey01 as Boolean
bSKey09 = CP9030W9x1.SKey(9)