IoConfigChannelMap (STRUCT)¶

TYPE IoConfigChannelMap : STRUCT

Mapping information for a single channel. Every I/O-channel is described as a parameter, but with special meanings. The datatype of a channel can be simple (BOOL, BYTE, WORD, etc.) or array of simple types.

InOut:

Name	Type	Comment
pParameter	POINTER TO IoConfigParameter	Pointer to the parameter description.
pbyIecAddress	POINTER TO BYTE	Pointer to the parameter in the process image on the IEC side.
wParameterBitOffset	WORD	Bitoffset of the device.
wIecAddressBitOffset	WORD	Bitoffset of pbyIecAddress in the IEC process image.
wSize	WORD	Size in bits of the channel.
wDummy	WORD	This parameter is now used for the base type information. This information is needed for a correct swapping action. – wBaseTypeInformation : WORD; – compiler relies on the name ‘wDummy’ here
dwDriverSpecific	XWORD	Driver specific entry. Reserved for the usage in the driver.