Danfoss VLT FC 102 Programming Manual page 221

Parameter Descriptions
23-12 Maintenance Base
Array [20]
Option: Function:
Select the time base to be
associated with the preventive
maintenance event.
[0] Disabled Disables the preventive
*
maintenance event.
[1] Running Hours The number of hours the motor has
run. Running hours are not reset at
power-on. Specify the maintenance
time interval in
parameter 23-13 Maintenance
Interval.
[2] Operating The number of hours the frequency
Hours converter has run. Operating hours
are not reset at power-on. Specify
the maintenance time interval in
parameter 23-13 Maintenance
Interval.
[3] Date & Time Uses the internal clock. Specify the
date and time of the next
maintenance occurrence in
parameter 23-14 Maintenance Date
and Time.
[4] No of Counts
23-13 Maintenance Interval
Array [20]
Range: Function:
1 [1 - Set the interval associated with the
*
2147483647 ] current preventive maintenance
event. This parameter is only used if
[1] Running Hours or [2] Operating
Hours is selected in
parameter 23-12 Maintenance Base.
The timer is reset from
parameter 23-15 Reset Maintenance
Word.
Example
A preventive maintenance event is
set up Monday at 8:00.
Parameter 23-12 Maintenance Base is
[2] Operating hours and
parameter 23-13 Maintenance
Interval is 7 x 24 hours=168 hours.
Next maintenance event is
indicated the following Monday at
8:00. If this maintenance event is
not reset until Tuesday at 9:00, the
next occurrence is the following
Tuesday at 9:00.
M0010001
Programming Guide
23-14 Maintenance Date and Time
Array [20]
Range:
Size
related
*
23-15 Reset Maintenance Word
Option:
[0]
*
[1]
Danfoss A/S © 10/2019 All rights reserved.
Function:
[ 0 - 0 ] 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
parameter 0-71 Date Format while
the time format depends on the
setting in parameter 0-72 Time
Format.
NOTICE
The frequency converter has
no back-up of the clock
function. The set date/time is
reset to default (2000-01-01
00:00) after a power-down. In
parameter 0-79 Clock Fault, it is
possible to program a warning
if the clock has not been set
properly, for example after a
power-down.
Set the time at least 1 hour
later than actual time.
NOTICE
When mounting a VLT
I/O option MCB 109 option
card, a battery back-up of the
date and time is included.
Function:
NOTICE
When messages are reset,
maintenance item, action, and
maintenance date/time are not
canceled.
Parameter 23-12 Maintenance
Base is set to [0] Disabled.
Set this parameter to [1] Do reset to
reset the maintenance word in
parameter 16-96 Maintenance Word
and reset the message shown in
the LCP. This parameter changes
back to [0] Do not reset when
pressing [OK].
Do not reset
Do reset
3 3
®
Analog
219