Fastech Ezi-Step Plus-R

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Library for PC Program
FAS_SetIOOutput
To set I/O output values. For more information, refer to ‘1-1-5. Frame Type and Data
Configuration’.
Syntax
int FAS_SetIOOutput(
BYTE nPortNo,
BYTE iSlaveNo,
DWORD dwIOSetMask,
DWORD dwIOCLRMask
);
Parameters
nPortNo
Port number of relevant drive.
iSlaveNo
Slave number of relevant drive.
dwIOSetMask
Output bitmask value to be set (ON status)
dwIOCLRMask
Output bitmask value be cleared (OFF status)
Return Value
FMM_OK : Command has been successfully performed.
FMM_NOT_OPEN : The drive has not been connected yet .
FMM_INVALID_PORT_NUM : There is no nPort in the connected ports .
FMM_INVALID_SLAVE_NUM : There is no drive of iSlaveNo in the relevant port .
Remarks
There are 10 output pins in Ezi-STEP Plus-R. The user can select and use 9 output p ins
of them.
When output data is ‘1’, Port A becomes 0V. When it is ‘0’, Port A becomes +5V.
Be careful that dwIOSetMask bit and dwIOCLRMask bit are not duplicated.
Example
Refer to FAS_SetIOInput.
See Also
FAS_GetIOOutput