Specifications

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BscReadIO
FUNCTION: Reads specified count of coil status. Up to 256 coil numbers can be
specified.
FORMAT: _declspec( dllexport ) short APIENTRY BscReadIO(short nCid,short
add,short num,short *stat);
ARGUMENTS: IN（Transfer）
nCid Communication handler ID number
add Read starting address number
num Number of read signals (up to 256)
*stat Coil status
OUT（Return）
*stat Coil status
Return Value
-1: Header number error
０：Normal completion
Others：Error code
REMARKS: Unnecessary Signals
All unnecessary signals are set to 0 unless the number of the read data items is a multiple of
8.