User guide

eWON 500-2001-4001-4002 User Guide - Export Block Descriptors
eWON 500®2001®4001®4002® Version 4_3_0 - User Guide - 10/5/05 - ©ACT'L sa - Page 202
11.3.3 $dtAH [Alarm History]
11.3.3.1 Export content
The Alarm History outputs the data from the File system for ONE or ALL Tags.
The output format can be TEXT or HTML Table.
A time range can also be specified for this export.
11.3.3.2 Detailed Example
11.3.3.3 Fields used
$dtAH $ftH $st01012001
$dtAL 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 Tags
Table 122: $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 123: $dtAH - fields used