12 retrieval functions – Yokogawa PC-Based MX100 User Manual

Page 573

Advertising
background image

12-9

IM MX190-01E

MX100 for Extended API

12

Retrieval Functions

Each data is stored in its class according to type. They are retrieved from the
CDAQMX100 class.

Measured Data

Data Name

Class and Member Function

Data value

CDAQMXDataInfo:: getValue

Data status values

CDAQMXDataInfo:: getStatus

Alarm (presence/absence)

CDAQMXDataInfo:: isAlarm

Measured

Double integer

CDAQMXDataInfo:: getDoubleValue

value

String

CDAQMXDataInfo:: getStringValue

Time

No. of seconds

CDAQMXDateTime:: getTime

Milliseconds

CDAQMXDateTime:: getMilliSecond

Valid data (presence/absence)

CDAQMXDataBuffer:: isCurrent

The data is retrieved from DAQMX100::getClassMXDataBuffer through
CDAQMXDataBuffer::currentDataInfo and CDAQMXDataBuffer::currentDateTime.

Channel Information Data

Data Name

Class and Member Function

FIFO number

CDAQMXChInfo:: getFIFONo

Channel sequence number in the FIFO

CDAQMXChInfo:: getFIFOIndex

Display minimum value

CDAQMXChInfo:: getDisplayMin

Display maximum value

CDAQMXChInfo:: getDisplayMax

Measurable minimum value

CDAQMXChInfo:: getRealMin

Measurable maximum value

CDAQMXChInfo:: getRealMax

The data is retrieved from DAQMX100::getClassMXDataBuffer through

CDAQMXDataBuffer::getClassMXChInfo.

12.1 MX100 Class

Advertising