![background image](http://html1.mh-extra.com/html/vamp/257/257_operation-and-configuration-instructions_3326944129.webp)
VAMP Ltd
Feeder and motor manager
Technical description
VAMP 257
VM257.EN002
VAMP 24h support phone : +358 (0)20 753 3264
87
The voltage power quality functions are located under the
submenu “U”.
Setting parameters of sags and swells monitoring:
Parameter Value
Unit Default Description
U>
20 … 150
%
110
Setting value of swell limit
U<
10 … 120
%
90
Setting value of sag limit
Delay
0.04 … 1.00
s
0.06
Delay for sag and swell
detection
SagOn
On; Off
-
On
Sag on event
SagOff
On; Off
-
On
Sag off event
SwelOn
On; Off
-
On
Swell on event
SwelOf
On; Off
-
On
Swell off event
Recorded values of sags and swells monitoring:
Parameter Value Unit Description
Count
-
Cumulative sag counter
Total
-
Cumulative sag time counter
Count
-
Cumulative
swell
counter
Recorded
values
Total
-
Cumulative swell time counter
Date
-
Date of the sag/swell
Time
-
Time stamp of the sag/swell
Type
-
Voltage inputs that had the
sag/swell
Time
s
Duration of the sag/swell
Min1
%Un Minimum voltage value during
the sag/swell in the input 1
Min2
%Un Minimum voltage value during
the sag/swell in the input 2
Min3
%Un Minimum voltage value during
the sag/swell in the input 3
Ave1
%Un Average voltage value during the
sag/swell in the input 1
Ave2
%Un Average voltage value during the
sag/swell in the input 2
Ave3
%Un Average voltage value during the
sag/swell in the input 3
Max1
%Un Maximum voltage value during
the sag/swell in the input 1
Max2
%Un Maximum voltage value during
the sag/swell in the input 2
Sag/swell
logs 1…4
Max3
%Un Maximum voltage value during
the sag/swell in the input 3