Yokogawa PC-Based MX100 - Manual (Page 91)

2-68
IM MX190-01E
CDAQMX::talkChData
Syntax
int talkChData(int chNo, MXDataNo startDataNo =
DAQMX_INSTANTANEOUS, MXDataNo endDataNo =
DAQMX_INSTANTANEOUS);
Parameters
chNo Specify the channel number.
startDataNo Specify the start data number.
endDataNo Specify the end data number.
Description
Declares the retrieval of the measured data.
Gets the measured data in the specified data number range. The range that is
actually retrieved is not necessarily equal to the specified range.
If the data number is omitted, the instantaneous value is retrieved.
After executing this function member, use getTimeData to get the time information
data for each data number.
Then, use getChData to retrieve the data for each channel within the data number.
Return value
Returns an error number.
Reference
getNo getPacketVersion getUserTime receivePacket sendPacket
CDAQMX::talkChInfo
Syntax
int talkChInfo(int startChNo = 1, int endChNo =
DAQMX_NUMCHANNEL);
Parameters
startChNo Specify the start channel number.
endChNo Specify the end channel number.
Description
Declares the retrieval of the channel information data from the start channel number
to the end channel number.
After executing this function member, use the getChInfo function to retrieve the data
for each channel.
Return value
Returns an error number.
Reference
getNo getPacketVersion getUserTime receivePacket sendPacket
2.5 Details of the MX100 Class