Mitsubishi Electric FR-E720-0.1K(SC) Instruction Manual page 181

(4) Frequency setting signal (current) bias/gain adjustment method
(a) Method to adjust any point by application of a voltage (current) to across terminals 2 and 5 (4 and 5).
Operation
1.
Confirm the RUN indication and operation
mode indication
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 appears.
4.
Press until
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 2-5 (across terminals 4-5) to
maximum (any position).)
NOTE
After performing operation in step 6, do not touch
8.
Press to set.
Turn to read another parameter.
Press to return to the
Press twice to show the next parameter (
REMARKS
If the frequency meter (display meter) connected across the terminals FM-SD does not indicate exactly 60Hz, set the
calibration parameter C0 FM terminal calibration. (Refer to page 160)
If the gain and bias of frequency setting voltage (current) are too close, an error (
Frequency setting by analog input (terminal 2, 4)
appears.
) appears.
indication (step 4).
Display
PRM indication is lit.
(The parameter number read
appears.)
C0 to C25 setting
is enabled.
Terminal 2 input is Terminal 4 input is
selected selected
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 completion of calibration.
Terminal 2 input is
∗
selected
Flicker...Parameter setting complete!!
∗ The value is nearly 100 (%) in the maximum position of
the potentiometer.
).
previously
Terminal 4 input is
selected
) may be displayed at setting.
4
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