Mitsubishi Electric Freqrol-A100 Instruction Manual page 138

Freqrol-a100 series transistorized inverter for variable torque loads
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(From the preceding page)
(2) Setting of the
frequency
setting voltage
gain
9) Press the [SHIFT] key,
...
The current set value of Pr. 903
eos
a r v
a n
then the [READ] key.
IS
d~splayed.
Fd
The precedmg set value
I S
d~splayed.
+--
The current set voltage across terrnlnals 2 and
5
I S
displayed
In
%.
I
The d~splayed value
IS
changed accordlng as
I
the set voltaae.
10) Using the numeral
...........
The data on the right is dis-
The value selected In Pr. 73 (5V In thls
example)
I S
100%.
keys, enter 50.
played.
1
11) Press the [WRITE] key.
..
The cursor (+) moves to the set
......
The voltage need not be applied
voltage.
across terminals 2 and 5.
12) Using the numeral keys, enter 100.
......
Since 50Hz is set against 5V
I
- 4
I
(100%) in this example, 100% is
1
13) Press the [WRITE] key.
..
The set value is stored into mem-
ory and gain setting is complete.
The settrng is complete as shown
below:
' 4
4
The adjustment of the frequency set-
ting voltage bias and gain is complete.
Note: 1. The current input (Pr. 904, Pr. 905) can also be set in a similar manner.
I
2. Pr. 903 remains unchanged if the value set in Pr. 20 "acc./dec. reference frequency" is
changed.

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