Status transition functions – Yokogawa PC-Based MX100 User Manual

Page 1004

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19-10

IM MX190-01E

19.4 Functions and Class Members for Loading

Instantaneous Value Data

This section indicates the correspondence between the functions that are supported

by the instantaneous value loading functions and the class.

There are two types of functions, status transition functions and retrieval functions.
Status transition functions control DARWIN. When using status transition functions,

if measured data is retrieved with a data retrieval function, the measured data
increments by only interval’s worth of data (the status of the extension API

changes).
The retrieval function returns the parameter value. When data is retrieved, the data

value of the current status is returned (the status of the extension API does not
change).

Status Transition Functions

Communication Functions

Function

Command

Class and Member Function

Comm. open

-

CDAQDA100Reader:: open

Comm. cut

-

CDAQDA100Reader:: close

Data Retrieval Functions

Function

Command

Class and Member Function

Meas data

Meas channels

EF

CDAQDA100Reader:: measInstCh

(inst val)

Comp channels

EF

CDAQDA100Reader:: mathInstCh

Channel information data

Meas channels

EL

CDAQDA100Reader:: measInfoCh

Comp channels

EL

CDAQDA100Reader:: mathInfoCh

Channel information data is stored internally, but the user can explicitly perform
acquisition.

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