Measurement-computing Data Acquisition Systems rev.10.4 Instrukcja Użytkownika Pobierz pdf (Strona 230)

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Function Usage

The channels specified by the daqDacWtMany function must be the appropriate DAC channel types, and the

channels must have been configured as direct output channels prior to calling this function. See

daqDacSetOutputMode for setting the output mode to be direct (DdomVoltage).

The daqDacWtMany function operates in a similar manner to the single output version of the function,

daqDacWt. Here, the deviceTypes and chans parameters are arrays of DAC channel types and channel

numbers. The dataVals parameter is an array of output values corresponding to the deviceTypes and

chans arrays. The total number of channels to update (which should be equivalent to the number of entries in

each array) is set by the count parameter. Since this function is a multichannel version of the daqDacWt

function, please refer to the daqDacWt function for a complete description of the parameters and other

settings.

Prototypes

C/C++

daqDacWtMany(DaqHandleT handle, DaqDacDeviceType *deviceTypes, PDWORD

chans, PWORD dataVals, DWORD count);

Visual BASIC

VBdaqDacWtMany&(ByVal handle&, deviceTypes&, chans&, dataVals&, ByVal

count&)

Program References

DAQDACEX01.CPP, DBK02Ex.cpp, DBK05Ex.Cpp DAQEX.FRM (VB)

4.4-48 Daq API Command Reference 908494 Programmer’s Manual

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