Omron 3G8F7-CRM21, Руководство пользователя

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I/O Data Access API Section A-5
Returned value It returns TRUE when the function succeeds.
It returns FALSE when an error occurs. The error details can be obtained with
the function GetLastError.
Remarks To execute this function, the I/O communications must be running.
A-5-3 CPNT_GetInData (Get IN Data from Word IN Slave Unit)
Purpose Read the IN data from Word IN Slave Units.
Call Format BOOL CPNT_GetInData(
HANDLE Handle,
WORD *IN,
WORD WordOffset,
WORD WordSize
) ;
Argument
Returned value It returns TRUE when the function succeeds.
It returns FALSE when an error occurs. The error details can be obtained with
the function GetLastError.
Remarks To execute this function, the I/O communications must be running.
See Appendix B.3.5 for the content of IN data.
A-5-4 CPNT_GetBitInData (Get Bit IN Data from Bit IN Slave Unit)
Purpose Read the Bit IN data from Bit IN Slave Units.
Call Format BOOL CPNT_GetBitInData(
HANDLE Handle,
WORD *BitIN,
WORD WordOffset,
WORD WordSize
) ;
Type Parameter Direction Description
HANDLE Handle IN Device handle obtained with the
function CPNT_Open.
WORD *IN OUT Specify the pointer to store the IN
data.
Requires the area equivalent to
Word size (128 bytes max)
WORD WordOffset IN Specify the Word offset for the IN
Slave Unit from which the IN data is
started to read.
Settable range: 0 to 63
WORD WordSize IN Specify the Word size of the IN
data to read.
Observe the condition for the set
value:
(Word WordSize)
≤
64
Settable range: 1 to 64