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.