Yokogawa PC-Based MX100 - Manual (Page 31)

2-8
IM MX190-01E
Retrieval of Measured Data (FIFO Designation)
Function Class and Member Function
Get the most-recent data range of the specified FIFO no. CDAQMX::getFIFODataNo
Declare the retrieval of the measured data of the CDAQMX::talkFIFOData
specified FIFO number. Declare the retrieval of the
instantaneous values of the specified FIFO number.
Get the time information of the specified FIFO number CDAQMX::getTimeData
for each data number.
Get the measured data of the specified FIFO number. CDAQMX::getChData
Retrieval of Initial Balance Data
Function Class and Member Function
Get initial balance data. CDAQMX::getBalance
Retrieves output channel data
Function Class and Member Function
Get output channel data. CDAQMX::getOutput
Get AO/PWM data and transmission output data. CDAQMX::getAOPWMData
Utilities
Function Class and Member Function
Insert the specified user count (user-defined CDAQMX::setUserTime
order information) in the next packet to be issued.
Get the MX100-specific error that was received last CDAQMX::getLastError
through communications.
Convert the measured value into a double-precision CDAQMXDataInfo::toDoubleValue
floating point number.
Convert the measured value into string. CDAQMXDataInfo::toStringValue
Get the alarm type string. CDAQMXDataInfo::getAlarmName
Get the maximum length of the alarm string. CDAQMXDataInfo::
getMaxLenAlarmName
Get the version number of this API. CDAQMX::getVersionAPI
Get the revision number of this API. CDAQMX::getRevisionAPI
Get the error message string. CDAQMX::getErrorMessage
Get the maximum length of the error message string. CDAQMX::getMaxLenErrorMessage
Get the number of the parameter on which an error CDAQMX::getItemError
was detected.
Convert AO/PWM output values to output data DAQMXAOPWMData::toAOPWMValue
values.
Convert AO/PWM output data values to output CDAQMXAOPWMData::toRealValue
values.
Check the validity of data numbers. CDAQMXStatus::isDataNo
Convert to style version. CDAQMXSysInfo::toStyleVersion
2.2 Correspondence between the Functions and Class/Member Functions - MX100