VAMP 257
Feeder and motor manager
Technical description
VAMP Ltd
30
VAMP 24h support phone : +358 (0)20 753 3264
VM257.EN002
Setting parameters of directional overcurrent stages:
I
dir
>, I
dir
>>, I
dir
>>> and I
dir
>>>> (67)
Pickup setting
Unit:
xI
mode
I
dir
>
I
dir
>>
0.10 ... 4.00
I
dir
>>>
Pa
ra
m
.
I
dir
>>>>
Ra
nge
0.10 … 20.00
Default
1.20
Directional / Undirectional mode
Pa
ra
m
.
Mode
Ra
nge
Dir / Undir
Default
Dir
Base angle offset
Unit:
°
Pa
ra
m
.
Offset
Ra
nge
-180 … +179
Default
0
Operation delay selection (only for I
dir
> and I
dir
>>)
Curve
Curve
Type
A…E
- curve family selection
- delay type selection
- formula parameters
DT
IE
C
IEEE
IEEE
2
RI
Prg1
Prg2
Prg3
DT
Definite time
X
NI
Normal inverse
X X
VI
Very inverse
X X
X
EI
Extremely inverse
X X
X
LTI
Long time inverse
X X
LTEI
Long time extremely inverse
X
LTVI
Long time very inverse
X
MI
Moderately inverse
X
X
STI
Short time inverse
X
STEI
Short time extremely inverse
X
RI
X
RXIDG
X
Type
Parameters
Function parameters
X X
X
Programmable curve 1
X
Programmable curve 2
X
Programmable curve 3
16 programmable
[current, time] points
for each curve
X
A
X X
X
B
X X
X
C
X
X
D
X
P
ar
ame
ter
s
Active only, when
Type = Parameters
Usage of these parameters are defined by
the delay formulas
E
X