Yokogawa PC-Based MX100 User 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