9
Settings
Numerical
settings
The setting values are indicated by the three
rightmost digits on the display.The LED indi-
cators adjacent to the symbols of the quantities
to be set indicates the quantity currently being
displayed.
Setting
Explanation
Setting range
(factory default)
I>/I
n
Start current of stage I> as a multiple of the energizing
0.5…5.0 x I
n
*)
input used.
(0.5 x I
n
)
t>
Operate time of stage I>, in seconds at definite time
0.05...300 s
characteristic.
(0.05 s)
k
Time multiplier k of stage I> at inverse time
0.05...1.00
characteristic.
(0.05)
I>>/I
n
Start current of stage I>> as a multiple of the
0.5...40.0 x I
n
and
∞
* *)
energizing input used.
(0.5 x I
n
)
t>>
Operate time of stage I>>, in seconds.
0.04...300 s
(0.04 s)
I>>>/I
n
Start current of stage I>>> as a multiple of the
0.5...40.0 x I
n
and
∞
* *)
energizing input used.
(0.5 x I
n
)
t>>>
Operate time of stage I>>>, in seconds.
0.04...30 s
(0,04 s)
I
0
/I
n
Start current of stage I
0
> as a multiple of the
0.05...0.8 x I
n
energizing input used.
(0.1 x I
n
)
t
0
>
Operate time of stage I
0
>, in seconds, at definite time
0.05...300 s
characteristic.
(0.05 s)
k
0
Time multiplier k
0
of stage I
0
> at inverse time
0.05...1.00
characteristic.
(0.05)
I
0
>>/I
n
Start current of stage I
0
>> as a multiple of the
0.05...10.0 x I
n
and
∞
* *)
energizing input used.
(0.1 x I
n
)
t
0
>>
Operate time of stage I
0
>>, in seconds.
0.05...300 s
(0.05 s)
∆
I> [%] Start current of stage
∆
I> as the difference between
10...100% and
∞
* *)
the minimum and maximum phase current measured,
(10%)
expressed as percentage of the measured current of the
energizing input used. 10...100%.
t
∆
>
Operate time of stage
∆
I>, in seconds.
1...300 s
(1 s)
CBFP
Operate time in seconds of the circuit breaker failure
0.1…1.0 s
protection
(0.2 s)
*) At inverse time characteristic the relay al-
lows setting above 2.5 x I
n
, but regards any
setting >2.5 x I
n
as being equal to 2.5 x I
n
.
** ) The stage can be set out of operation with
SGF switches. This state is indicated as
"- - -" on the display.
Note!
The continuous current carrying capacity of the
energizing inputs is 4.0 x I
n
.
Summary of Contents for SPAA 341 C /E351
Page 130: ......
