The logging will start at the date programmed in
Period Start
, par. 23-51.In all cases the period split will refer
to Operating Hours (time where frequency converter is powered up).
[0] Hour of day (24 coun-
ters used)
[1] Day of week (7 coun-
ters used)
[2] Day of month (31
counters used)
[5]
*
Last 24 hours (24 coun-
ters used)
[6] Last 7 days (7 counters
used)
[7] Last 5 weeks (5 coun-
ters used)
NB!
The frequency converter has no back up of the clock function and the set date/time will reset to default (2000-01-01 00:00) after a
power down unless a Real Time Clock module with back up is installed. Consequently the logging will be stopped until date/time is
readjusted in par. 0-70,
Set Date and Time
. In par. 0-79,
Clock Fault
, it is possible to program for a Warning in case clock not has been
set properly, e.g. after a power down.
23-51 Period Start
Range: Function:
2000-01-01 00:00
*
[2000-01-01
00:00 - 2099-12-31 23:59 ]
Set the date and time at which the Energy Log starts update of the counters. First data will be stored in counter
[00] and start at the time/date programmed in this parameter.
Date format will depend on setting in par. 0-71,
Date Format
, and time format on setting in par. 0-72,
Time
Format
.
NB!
When mounting an Analog I/O MCB109 option card, a battery back up of the date and time is included.
23-53 Energy Log
Range: Function:
[0]
*
0-4294967295 Array with a number of elements equal to the number of counters ([00]-[xx] below parameter number in dis-
play). Press OK and Step between elements by means of
▲
and
▼
buttons on the Local Control Panel.
Array elements:
VLT
®
HVAC Drive Programming Guide 3. Parameter Description
MG.11.C5.02 - VLT
®
is a registered Danfoss trademark
195
3
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