System information

General Reference Guide Export Block Descriptors
RG-001-0-EN ver 1.5 eWON® - 20/03/2009 - ©ACT'L sa Page 175
8.3.3 $dtRL [Real time Logging]
8.3.3.1 Export content
The Real time logging outputs the data from the File system for ONE Tag. The output format can be TEXT, HTML Table, BINARY or GRAPH. A
time range can also be specified for this export.
8.3.3.2 Detailed Example
8.3.3.3 Used Fields
8.3.3.4 Special parameters and fields
$st $et
If the output format is "graph", $et_0 should be used instead of default value, otherwise the graph would span up to 31/12/2030. For binary or text
output, the default value can be kept.
$ft
Text format will output a comma-separated file. The separator is ‘;’ to avoid any confusion with the decimal point.
$tn
A Tag MUST be specified for this export (does not work on ALL the Tags).
$dtRL $ftG $st_m10 $et_m0 $tnA1
$dtRL data type Real time logging
$ftG output format requested is GRAPH
$st_m10 start time is current time – 10 minutes
$et_0 end time is current time – 0 minutes Ù NOW
$tnA1 Tag log to output
A1 Name of the Tag
Table 148: $dtRL - detailed example
Fields Value if not specified
Mandatory
$dt
$tn
Optional
$ft Binary
$st 01/01/1970
$et 31/12/2030
$ut No time update
$fn Export block descriptor
$ct Compression type
Table 149: $dtRL - fields used
Acceptable values
Binary Text HTML Graph
Table 150: [$dtRL] $ft - acceptable values