Mitsubishi Electric FR-F740-00023 Instruction Manual page 173

Frequency setting by analog input (terminal 1, 2, 4)
(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 CA-5 does not indicate exactly 50Hz, set calibration parameter
C0 CA terminal calibration. (Refer to page 133)
If the gain and bias of frequency setting voltage (current) are too close, an error (
164
)
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 (
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.