Danfoss VLT FC 100 Series Programming Manual page 193

®
VLT HVAC Drive Programming Guide
23-12 Maintenance Time Base
Option:
* Disabled
[0]
[1] Running Hours
[2] Operating Hours
[3] Date & Time
23-13 Maintenance Time Interval
Range:
*
1 h [1 to 2147483647 h]
23-14 Maintenance Date and Time
Range:
*
2000-01-01 00:00 [2000-01-01
00:00]
23-15 Reset Maintenance Word
Option:
* Do not reset
[0]
[1] Do reset
NB!
When messages are reset - Maintenance Item, Action and Maintenance Date/Time are not cancelled.
Base
is set to Disabled [0].
Function:
Select the time base to be associated with the Preventive Maintenance Event.
Disabled [0] must be used when disabling the Preventive Maintenance Event.
Running Hours
[1] is the number of hours the motor has been running. Running hours are not reset at power-
Maintenance Time Interval
on. The
Operating Hours [2] is the number of hours the frequency converter has been running. Operating hours are not
Maintenance Time Interval
reset at power-on. The
Date & Time [3] uses the internal clock. The date and time of the next maintenance occurrence must be specified
in par. 23-14 Maintenance Time and Date
Function:
Set the interval associated with the current Preventive Maintenance Event. This parameter is only used if
Hours Operating Hours
[1] or [2] is selected in par. 23-12
Reset Maintenance Word
23-15 .
Example:
A Preventive Maintenance Event is set up Monday at 8:00.
hours [2] and par 23-13 Maintenance Time Interval
indicated the following Monday at 8:00. If this Maintenance Event is not reset until Tuesday at 9:00, the next
occurrence will be the following Tuesday at 9:00.
Function:
Set the date and time for next maintenance occurrence if the Preventive Maintenance Event is based on date/
time. Date format depends on the setting in par. 0-71
in par. 0-72 Time format .
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. In par. 0-79,
program for a Warning in case the clock has not been set properly, e.g. after a power down.
The time set must be at least one hour from the actual time!
NB!
When mounting an Analog I/O MCB109 option card, a battery back up of the date and time is
included.
Function:
Do reset
Set this parameter to [1] to reset the Maintenance Word in par. 16-96
reset the message displayed in the LCP. This parameter will change back to
MG.11.C5.02 - VLT ® is a registered Danfoss trademark
must be specified in par. 23-13.
must be specified in par. 23-13.
.
Maintenance Time Base
Par. 23-12 Maintenance Time Base
is 7 x 24 hours=168 hours. Next Maintenance Event will be
Date format
, while the time format depends on the setting
3. Parameter Description
Running
. The timer is reset from par.
is Operating
Clock Fault , it is possible to
Prev. Maintenance Word
and
Do not reset
[0] when pressing OK.
Par. 23-12, Maintenance Time
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