Mitsubishi Electric FR-A800 Series Instruction Manual page 509

 Frequency setting voltage (current) bias/gain adjustment method
 Adjustment by applying voltage (current) between terminals 2 and 5 (4 and 5) to set the voltage
(current) at the bias/gain frequency (Example of adjustment at the gain frequency)
Operating procedure
1.
Turning ON the power of the inverter
The operation panel is in the monitor mode.
2.
Changing the operation mode
Press
3.
Selecting the parameter setting mode
Press
4.
Calibration parameter selection
Turn
5.
Selecting a parameter
Turn
"
6.
Analog voltage (current) display
Press
Do not touch
7.
Voltage (current) application
Apply a 5 V (20 mA). (Turn the external potentiometer connected between terminals 2 and 5 (terminals 4 and 5) to
a desired position.)
8.
Setting completed
Press
alternately.
• Turn to read another parameter.
• Press to return to the "
• Press twice to show the next parameter.
 Adjustment by selecting the voltage (current) at the bias/gain frequency without applying
voltage (current) between terminals 2 and 5 (4 and 5) (Example of adjustment at the gain
frequency)
Operating procedure
1.
Turning ON the power of the inverter
The operation panel is in the monitor mode.
2.
Changing the operation mode
Press
3.
Selecting the parameter setting mode
Press
508
5. PARAMETERS
5.12 (T) Multi-function input terminal parameters
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to choose the PU operation mode. The [PU] indicator turns ON.
to choose the parameter setting mode. (The parameter number read previously appears.)
until " " appears. Press
until " " (C4 (Pr.903) Terminal 2 frequency setting gain) appears for terminal 2, or
" (C7 (Pr.905) Terminal 4 frequency setting gain) for terminal 4.
to display the analog voltage (current) value (%) currently applied to terminal 2 (4).
until calibration is completed.
to confirm the selection. The analog voltage (current) % and "
" display.
to choose the PU operation mode. The [PU] indicator turns ON.
to choose the parameter setting mode. (The parameter number read previously appears.)
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to display " ".
( )" are displayed