Mitsubishi Electric FR-A720-0.4K Instruction Manual page 295

(5) Frequency setting voltage (current) bias/gain adjustment method
(a)Method to adjust any point by application of voltage (current) to across the terminals 2-5 (4-5).
Operation
1.
Confirmation of 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.
4.
Press to display
5.
Turn until
appears. 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).)
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 FM-SD does not indicate just 60Hz, set calibration parameter C0
FM terminal calibration. (Refer to page 252)
.
( )
By turning , you can read another parameter.
Press to return to the
Press twice to show the next parameter (
Frequency/torque setting by analog
Display
Terminal 2 input Terminal 4 input
* The value is nearly 100 (%) in the maximum
position of the potentiometer.
until
*
Flicker...Parameter setting complete!!
(Adjustment completed)
* The value is nearly 100 (%) in the maximum
position of the potentiometer.
indication (step 4).
).
input (terminal 1, 2, 4)
The parameter
number read
previously appears.
C0 to C41
setting
is enabled.
Analog voltage (current)
value (%) across terminals 2-5
(across terminals 4-5)
*
Terminal 2 input Terminal 4 input
4
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