152
Frequency setting by analog input (terminal 2, 4)
(c) Adjusting only the frequency without adjusting the gain voltage (current).
(When changing the gain frequency from 50Hz to 40Hz)
Operation Display
1.
Turn
until
(Pr. 125)
or
(Pr. 126)
appears
Terminal 2 input
is selected
or
Terminal 4 input is
selected
2.
Press
to show the currently set value.
(50.00Hz)
3.
Turn
to change the set value to
"
". (40.00Hz)
4.
Press
to set.
Terminal 2 input is
selected
Terminal 4 input is
selected
Flicker...Parameter setting complete!!
5.
Mode/monitor check
Press
twice to choose the monitor/
frequency monitor.
6.
Apply a voltage across the inverter terminals 2-
5 (across 4-5) and turn on the start command
(STF, STR).
Operation starts at 40Hz.
REMARKS
Changing
C4 (Pr. 903)
or
C7 (Pr. 905)
(gain adjustment) value will not change the
Pr. 20
value.
For operation from the parameter unit (FR-PU04/FR-PU07), refer to the instruction manual of the FR-PU04/FR-PU07.
When setting the value to 120Hz or more, it is necessary to set
Pr. 18 High speed maximum frequency
to 120Hz or more.
Make the bias frequency setting using the
calibration parameter C2 (Pr. 902) or C5 (Pr. 904)
.
CAUTION
Take care when setting any value other than "0" as the bias frequency at 0V (0mA). Even if a speed command
is not given, merely turning on the start signal will start the motor at the preset frequency.
Parameters referred to
Pr. 20 Acceleration/deceleration reference frequency
Pr. 73 Analog input selection, Pr. 267 Terminal 4 input selection
Pr. 79 Operation mode selection
Bias and gain of built-in frequency setting potentiometer
Содержание FR-D700 Series
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