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Example 1
Operation in the setting mode. Manual setting
of the main setting of the start current value I>
of an overcurrent relay module. The initial value
a)
Press push button STEP repeatedly until the
LED close to the I> symbol is lit and the current
start value appears on the display.
b)
Enter the submenu to get the main setting value
by pressing the PROGRAM push button more
than one second and then releasing it. The red
display digit now shows a flashing number 1,
indicating the first submenu position and the
green digits show the set value.
c)
Enter the setting mode by pressing the PRO-
GRAM push button for five seconds until the
display starts flashing.
d)
Press the PROGRAM push button once again
for one second to get the rightmost digit flash-
ing.
e)
Now the flashing digit can be altered. Use the
STEP push button to set the digit to the desired
value.
f)
Press the PROGRAM push button to make the
middle one of the green digits flash.
g)
Set the middle digit with of the STEP push
button.
h)
Press the PROGRAM push button to make the
leftmost green digit flash.
for the main setting is 0.80 x I
second setting 1.00 x I
. The desired main start
n
value is 1.05 x I
.
n
RESET
STEP
5 x 1 s
PROGRAM
1 s
1 0. 8 0
PROGRAM
5 s
1 0. 8 0
PROGRAM
1 0. 8 0
1 s
RESET
STEP
5 x
1 0. 8 5
PROGRAM
1 s
1 0. 8 5
RESET
STEP
2 x
1 0. 0 5
PROGRAM
1 s
1 0. 0 5
and for the
n
0. 8 0
7
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