System information

General Reference Guide Export Block Descriptors
RG-001-0-EN ver 1.5 eWON® - 20/03/2009 - ©ACT'L sa Page 176
8.3.4 $dtAH [Alarm History]
8.3.4.1 Export content
The Alarm History outputs data from the File system for ONE or ALL the Tags. The output format can be TEXT or HTML Table.
A time range can also be specified for this export.
8.3.4.2 Detailed Example
8.3.4.3 Fields used
8.3.4.4 Special parameters and fields
$ft
Text format will output a comma-separated file. The separator is ‘;’ to avoid any confusion with the decimal point. If all Tags are output they will be
output in a chronological order in the file.
Line content of output file:
"EventDate";"TagName";"Status";"UserAck";"Description"
$tn
If this Tag is not specified, ALL the Tags will be selected for export. Otherwise, the Tag with the given name will be selected.
$dtAH $ftH $st01012001
$dtAH data type Alarm history logging
$ftH output format requested is HTML table
$st01012001
1
st
of January 2001
$et not specified Î until the end of file
$tn not specified Î all the Tags
Table 151: $dtAH - detailed example
Fields Value if not specified
Mandatory
$dt
Optional
$ft Text
$st 01/01/1970
$et 31/12/2030
$tn All
$ut No time update
$fn Export block descriptor
$ct Compression type
Table 152: $dtAH - fields used
Acceptable values
Text HTML
Table 153: [$dtAH] $ft - acceptable values