Mitsubishi Electric FR-A720-0.4K Instruction Manual page 297

(6) Adjustment method of torque setting voltage (current) bias and gain
a) Method to adjust any point without application of a voltage (current) to across terminals 1-5(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.
Turn until
4.
Press to display
5.
Turn until
Set to C19 Terminal 1 gain (torque).
6.
Press to display the analog voltage
(current) value (%).
7.
Apply a 10V (20mA) voltage (current).
(Turn the external potentiomerter connected
across terminals 1-5 (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
· An error at writing ( ) may appear if torque setting value of gain and bias are too close.
)
appears.
.
( ) appears.
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 1 input Terminal 4 input
until
Flicker...Parameter setting complete!!
(Adjustment completed)
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 1-5
(across terminals 4-5)
*The value is nearly 100 (%) in
the maximum position of the
potentiometer.
Terminal 1 input Terminal 4 input
4
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