23-50 Energy Log Resolution
Option: Function:
Select the desired type of period for logging of consumption. Hour of Day [0] , Day of Week [1] or
Day of Month [2]. The counters contain the logging data from the programmed date/time for start
(par. 23-51
Period Start
) and the numbers of hours/days as programmed for (par. 23-50
Energy
Log Resolution
).
The logging will start on the date programmed in par. 23-51
Period Start
, and continue until one
day/week/month has gone. Last 24 Hours [5], Last 7 Days [6] or Last 5 Weeks [7]. The counters
contain data for one day, one week or five weeks back in time and up to the actual time.
The logging will start at the date programmed in par. 23-51
Period Start
. In all cases the period split
will refer to Operating Hours (time where frequency converter is powered up).
[0] Hour of Day
[1] Day of Week
[2] Day of Month
[5] * Last 24 Hours
[6] Last 7 Days
[7] Last 5 Weeks
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
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:
Application
dependent*
[Application dependant] 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 MCB 109 option card, a battery back up of the date and time is included.
VLT
®
HVAC Drive Programming Guide 3 Parameter Description
MG.11.C9.02 - VLT
®
is a registered Danfoss trademark
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