Parameter setting
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11/04 MN01219002Z-EN
Parameters
You can modify the parameters of the circuit-breaker via
“Parameters”. It makes all the variables accessible that are
supported by the connected NZM. Parameters that are not
supported cant be modified. This also applies to parameters
that are supported by the circuit-breaker but have fixed
default values. For example, in some circuit-breaker versions
this is the case with
t
r
.
Proceed as follows in order to assign the parameters:
X
In the Input menu use cursor buttons
Í
or
Ú
to select
Parameters.
X
Confirm your selection by pressing
OK
.
X
Use the cursor buttons
Í
or
Ú
to select the parameter to
be changed.
X
Use the cursor buttons < or > to set the required value
between the upper and lower setting limits.
The setting limits are changed in the same graduations
that are used on the circuit-breaker itself.
Moving above or below the limit values is possible in order
to reach particular values. The upper limit value is shown
after the minimum value.
X
Confirm your selection by pressing
OK
.
X
Select a new parameter using the cursor buttons
Í
or
Ú
.
h
In all cases, the DMI restricts the value ranges of all
parameters to those values that can be set with the
operating elements on the front of the circuit-breaker.
Warning
The limit values on the circuit-breaker must be set
according to the requirements of the system.
Parameters
Ir
Ii
Isd
I2T
Idn
Tr
Tsd
Tvdn
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