Mitsubishi FR-F720-00046-NA Instruction Manual page 191

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(4) Frequency setting signal (current) bias/gain adjustment method
(a)Method to adjust any point by application of voltage (current) across the terminals 2 and 5 (4 and 5).
Operation
1.
Confirm the operation indicator and operation
mode indicator
The inverter should be at a stop.
The inverter should be in the PU operation
mode.(Using
2.
Press
to choose the parameter
setting mode.
3.
Turn
until
4.
Press
to display
5.
Turn
until
Set to C4 Terminal 2 frequency setting
gain.
6.
Press
to display the analog
voltage (current) value (%).
7.
Apply a 5V (20mA) voltage (current).
(Turn the external potentiometer
connected across terminals 2 and 5
(across terminals 4 and 5) to maximum
(any position).)
CAUTION
After performing the operation in step 6, do not touch
completion of calibration.
8.
Press
to set.
REMARKS
⋅ If the frequency meter (indicator) connected to across terminals CA and 5 does not indicate exactly 60Hz, set calibration
parameter C0 CA terminal calibration. (Refer to page 151)
⋅ If the gain and bias of frequency setting voltage (current) are too close, an error (
)
appears.
.
(
) appears.
Flicker...Parameter setting complete!!
Turn
to read another parameter.
Press
to return to the
Press
twice to show the next parameter (
Frequency setting by analog input (terminal 1, 2, 4)
Display
The parameter
number read
previously appears.
C0 to C7 setting
is enabled.
Terminal 2 input Terminal 4 input
Analog voltage (current)
value (%) across terminals 2 and 5
(across terminals 4 and 5)
*
*The value is nearly 100 (%) in the maximum
position of the potentiometer.
until
Terminal 2 input Terminal 4 input
*
(Adjustment completed)
*The value is nearly 100 (%) in the maximum
position of the potentiometer.
indication (step 4).
).
) may be displayed at setting.
4
181

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