CogFfpAccess CreateNetworkDataModel Method Cognex VisionPro 9.24
Creates a network data model (NDM) interface on the comm card. The network data model is used to send and receive messages between the vision system and a remote device (usually a PLC).

Namespace: Cognex.VisionPro.Comm
Assembly: Cognex.VisionPro.Comm (in Cognex.VisionPro.Comm.dll) Version: 91.0.0.0
Syntax
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public virtual CogNdm CreateNetworkDataModel(
	CogFfpProtocolConstants protocolType
)

Return Value

Type: CogNdm
Exceptions
ExceptionCondition
InvalidOperationException Thrown if an NDM has already been created on this board. Note that you can get access to a previously created NDM instance held by the CommCard via GetActiveNetworkDataModel 
ArgumentException Thrown if protocolType is invalid.
CogHardwareInUseException Thrown if the hardware is in use by another process. Only a single process may access the hardware. When this exception is thrown, you must close any other processes that are using the hardware, and re-start this process in order to access the hardware.
CogIncompatibleFirmwareException Thrown if the version of the Comm Card firmware is incompatible with the version of the host library. Run "%VPRO_ROOT%\bin\fwuphost.exe --pkg vm56_firmware_X_X_X_X.pkg" to upgrade firmware."
See Also
CogFfpAccess Class
Cognex.VisionPro.Comm Namespace