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Settings
8
The setting values are shown by the right-most
three digits of the display. A lit indicator close
Setting
Parameter
I
>
The starting value of the overload stage I
b
a multiple of the rated current of the protection.
k
Inverse time multiplier k (k= 1.00 = ANSI-curve). 0.2...2.0
I
>
The starting value of the overload stage I
a
per cent of the setting value I
ta
The operating time of the Ia> stage, expressed in
minutes, based on definite time mode of
operation.
I<
The starting value of the undercurrent stage I< as
a multiple of the rated current of the protection.
t<
The operating time of the I< stage, expressed in
seconds.
t
Setting of reconnection inhibit time, expressed in
rec
minutes.
∆I
Setting ∆I
>
> for the unbalance protection in
1
1
per cent of ∆I
The operating time of the ∆I
t
∆1
in seconds.
∆I
Setting ∆I
>
> for the unbalance protection in
2
2
per cent of ∆I
k
Inverse time multiplier k
∆2
∆I
Setting ∆I
for the unbalance compensation in
cs
cs
per cent of ∆I
Note!
If a setting for ∆I
module will automatically store ∆I amplitude
to setting ∆I
cs
Further the checksums of the programming
switchgroups SGF, SGB1...3 and SGR1...2 are
indicated on the display when the indicators
adjacent to the switchgroup symbols on the
>.
b
.
n
> stage, expressed
1
.
n
for the stage ∆I
∆2
.
n
greater than ∆I is stored, the
cs
.
to a setting value symbol shows which setting
value is indicated on the display.
Setting range
> as
b
0.30...1.50 x I
> in
a
80...120% I
0.50...100 min 0.5 min
0.10...0.70 x I
1.0...100 s
0.50...100 min 100 min
1.0...100% ∆I
1.0...300 s
2.0...80.0%∆I
>.
0.1...1.0
2
0.0...20.0%∆I
front panel are illuminated. An example of cal-
culating the checksum is given in the general
description of the D-type SPC relay modules.
Factory setting
0.40 x I
n
n
0.2
>
80% I
>
b
b
0.10 x I
n
n
1 s
1% ∆I
n
n
1 s
2.0% ∆I
n
n
0.1
0% ∆I
n
n
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