ItpHasError
from library version 4.0
ItpHasError is a function that determines whether the interpreter is in an error state.
Interface
FUNCTION ItpHasError : BOOL
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
If there is an error, the function returns TRUE.
 | ItpHasError evaluates the variable 'nItpErrCode' from the cyclic interface. If this value does not equal 0, TRUE is returned. |
Sample
VAR
bItpError: BOOL;
sNciToPlc: NciChannelToPlc;
END_VAR
bItpError := ItpHasError( 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 |