ItpGetChannelType

ItpGetChannelType is a function that returns the channel type of the cyclic interface.

VAR_IN_OUT

VAR_IN_OUT
    sNciToPlc           : NCTOPLC_NCICHANNEL_REF;
END_VAR

sNciToPlc: The structure of the cyclic channel interface from the NCI to the PLC. This structure is only accessed for reading. (type: NCTOPLC_NCICHANNEL_REF)

Return value

ItpGetChannelType: Channel type (type: E_ItpChannelType)

TYPE E_ItpChannelType :
(
    ItpChannelTypeNone,
    ItpChannelTypeInterpreter,
    ItpChannelTypeKinematic,
    ItpChannelType_InvalidItfVer := 16#4B14 (*ErrTcNciItp_ItfVersion the cyclic channel interface does not match to the requested function/fb *)
);
END_TYPE

Sample

VAR
    nChannelType    : E_ItpChannelType;
    sNciToPlc AT%I* : NCTOPLC_NCICHANNEL_REF;
END_VAR

nChannelType := ItpGetChannelType( sNciToPlc );

Requirements

Development environment	Target platform	PLC libraries to be linked
TwinCAT v3.1.0	PC or CX (x86 or x64)	Tc2_NCI