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User manual - ICP DAS USA

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dwBuf[5] : : [Input] 0 select to latch low:1 select to latch highdwBuf[6] : [Input] 0 no save to szSend &szReceive1 Save to szSend &szReceivedwBuf[7] : [Input] Slot number; the I/O module installed in I-8000 main unit.dwBuf[8] : [Output] Latched datafBuf : Not used.szSend : [Input] Command string to be sent to I-8000 series modules.szReceive : [Output] Result string receiving from I-8000 series modules .Return Value:0 is for SuccessNot 0 is for FailureExample:char szSend[80];char szReceive[80];float fBuf[12];DWORD DI_latch;DWORD dwBuf[12];DWORD m_port=3;DWORD m_slot=1;DWORD m_address=1;DWORD m_timeout=100;DWORD m_checksum=0;Open_Com(COM3, 9600, Data8Bit, NonParity, OneStopBit);dwBuf[0] = m_port;dwBuf[1] = m_address;dwBuf[2] = 0x8040;dwBuf[3] = m_checksum;dwBuf[4] = m_timeout;dwBuf[5] = 0;dwBuf[6] = 0;dwBuf[7] = m_slot;DigitalInLatch_8K(dwBuf, fBuf, szSend, szReceive);DI_latch=dwBuf[8];Close_Com(COM3);Remark:LinPAC-8x4x SDK:110

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