Mitsubishi Electric FR-F720-0.75K to 110K Instruction Manual page 178

(4) Frequency setting signal (current) bias/gain adjustment method
(a)Method to adjust any point by application of voltage (current) across the terminals 2-5 (4-5).
Operation
1.
Confirm the RUN indication and operation
mode indication
The inverter must be at a stop.
The inverter must be in the PU operation
mode.(Using
2.
Press to choose the parameter
setting mode.
3.
Turn until
4.
Press to read the present set value.
" " (initial value) appears.
5.
Turn to change it to the setting value
of " ".
6.
Press to set.
7.
8.
Press to display
9.
Turn until
Set to C4 Terminal 2 frequency setting
gain.
10.
Press to display the analog voltage
(current) value (%).
11.
Apply a 5V (20mA) voltage (current).
(Turn the external potentiomerter
connected across terminals 2-5 (across
terminals 4-5) to maximum (any
position).)
CAUTION
After performing the operation in step 10, do not touch
completion of calibration.
12.
Press to set.
REMARKS
⋅ If the frequency meter (indicator) connected to across terminals FM-SD does not indicate exactly 60Hz, set calibration parameter
C0 FM terminal calibration. (Refer to page 138)
⋅ If the gain and bias of frequency setting voltage (current) are too close, an error (
)
appears.
Flicker...Parameter setting complete!!
.
( ) appears.
Flicker...Parameter setting complete!!
By turning , you can 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 2-5
(across terminals 4-5)
*
*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 8).
).
) may be displayed at setting.
4
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