User manual - ICP DAS USA

• DigitalInLatch_87KDescription:This function is used to obtain the digital input latch value of the high or low latch modeof I-87000 series modules.Syntax:[ C ]WORD DigitalInLatch_87K(DWORD dwBuf[], float fBuf[], char szSend[],char szReceive[])Parameter:dwBuf: DWORD Input/Output argument talbedwBuf[0] : [Input] COM port number, from 1 to 255dwBuf[1] : [Input] Module address, form 0x00 to 0xFFdwBuf[2] : [Input] Module ID, 0x87040/51/52/53/54/55/58/63dwBuf[3] : [Input] 0= Checksum disable; 1= Checksum enabledwBuf[4] : [Input] Timeout setting , normal=100 mseconddwBuf[5] : :: [Input] 0:low latch mode, 1:high latch modedwBuf[6] : [Input] 0 no save to szSend &szReceive1 Save to szSend &szReceivedwBuf[7] : [Output] Latch valuefBuf : Not used.szSend : [Input] Command string to be sent to I-87000 series modules.szReceive : [Output] Result string receiving from I-87000 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;LinPAC-8x4x SDK:119