Mitsubishi Electric FR-D720-0.1K Instruction Manual page 158

Frequency setting by analog input (terminal 2, 4)
(4) Frequency setting signal (current) bias/gain adjustment method
(a) Method to adjust any point by application of a voltage (current) across terminals 2 and 5 (4 and 5).
Operation
1.
Confirm the operation status 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 2-5 (across terminals 4-5) to
maximum (any position).)
NOTE
After performing operation in step 6, do not touch
8.
Press to set.
Turn
Press
Press
REMARKS
If the frequency meter (display meter) connected across the terminals FM does not indicate exactly 60Hz, set the calibration
parameter C0 FM terminal calibration. (Refer to page 135)
If the gain and bias of frequency setting voltage (current) are too close, an error (
156
appears.
.
( ) appears.
to read another parameter.
to return to the indication (step 4).
twice to show the next parameter (
Display
PRM indicator is lit.
(The parameter number read previously appears.)
C0 to C25 settings
are enabled.
Terminal 2 input is Terminal 4 input is
selected selected
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 completion of calibration.
Terminal 2 input is
∗
selected
Flicker...Parameter setting complete!!
* The value is nearly 100 (%) in the maximum position of
the potentiometer.
).
Terminal 4 input is
selected
) may be displayed at setting.