ItpIsHskMFunc
from library version 4.0
ItpIsHskMFunc determines whether an M-function of type handshake is present.
Interface
FUNCTION ItpIsHskMFunc
VAR_IN_OUT
sNciToPlc : NciChannelToPlc;
END_VAR
Input & output | Data type | Description |
|---|---|---|
sNciToPlc | NciChannelToPlc | The structure of the cyclic channel interface from the NCI to the PLC |
Return value
The function returns TRUE if an M-function of type handshake is present.
 | ItpIsHskFunc evaluates the variable 'nHskMFuncReq' from the cyclic interface. |
Sample
VAR
bMFuncRequest: BOOL;
END_VAR
bMFuncRequest := ItpIsHskMFunc( sNciToPlc );
Requirements
|
Development Environment |
Target System |
PLC libraries to include |
|---|---|---|
|
TwinCAT v2.7.0 |
PC (i386) |
TcNciItp.lib |
|
TwinCAT v2.8.0 |
PC (i386) |
TcNci.lib |