ReadStreamRecords

ReadStreamRecords 1:

Syntax

METHOD ReadStreamRecords : BOOL
VAR_INPUT
    stCmd : REFERENCE TO T_ALY_SPReadStreamRecords_Cmd;
tSearchTimeout : TIME := TIME#5s0ms;
aStreamRecords : POINTER TO T_RecordTimestamps;
nRecordCount : DINT;
END_VAR

ReadStreamRecords 2: Inputs

Name

Type

Description

stCmd

REFERENCE TO T_ALY_SPReadStreamRecords_Cmd

Json command to retrieve recordings of a historical stream from TwinCAT Analytics Storage Provider

tSearchTimeout

TIME

Waiting time for the response

aStreamRecords

POINTER TO T_RecordTimestamps

Recordings read out

ReadStreamRecords 3: Return value

Name

Type

Description

ReadStreamRecords

BOOL

Is TRUE when completed

nRecordCount

DINT

Number of records read out