WARNING
Make sure only one master is set in each group of parallel
connected filters. Verify that no other unit is set to master.
After changing this parameter, additional parameters are
accessible. For the master units,
must be programmed for the amounts of followers
(followers) connected.
300-41 Follower ID
Range:
Function:
1
*
[1 - 3 ] Enter the unique ID of this follower. Verify that no
other follower uses the same ID.
NOTE!
is not accessible unless
is set to follower.
WARNING
Each follower should have it own follower ID. Verify that
no other follower have the same follower ID.
300-42 Num. of Follower AFs
Range:
Function:
1
*
[1 - 3 ] Enter the total number of follower active filters. The
master active filter will only control this number of
followers.
NOTE!
is not accessible unless
300-40 Master Follower Selection
is set to master.
Each follower unit has to be programmed at
. The follower IDs need to be different
from one another.
300-50 Enable Sleep Mode
Option:
Function:
This parameter saves energy in light system loads
where harmonic distortion is insignificant and
mitigation not needed. The filter automatically
deactivates when not needed and reactivate when
mitigation is called for. The filter still measures
harmonics during sleep, but does not inject
current. The filter is hardware coded to have a
minimum sleep time of 5 sec. to avoid contact
bounce.
[0] Disabled Default filter does not use the sleep mode
function.
[1] Enabled The filter enters sleep mode at light loads or if
triggered from external.
300-51 Sleep Mode Trig Source
Option:
Function:
[0]
*
Mains current The filter is active/inactive according to line
current. Trigger values are set in
300-52 Sleep Mode Wake Up Trigger
and
300-53 Sleep Mode Sleep Trigger
[1]
Digital Input
Filter sleep is triggered via an external signal
provided to filter terminal T18.
How to Program
VLT Active Filter AAF 00x
6-26
MG.90.V2.22 - VLT
®
is a registered Danfoss trademark
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