Mitsubishi Electric 800 Series Instruction Manual page 286

 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 the PU/EXT key to choose the PU operation mode. The PU LED turns ON.
3.
Selecting the parameter setting mode
Press the MODE key to choose the parameter setting mode. (The parameter number read previously appears.)
4.
Calibration parameter selection
Turn the setting dial or press the UP/DOWN key until "C..." appears. Press the SET key to display "C---".
5.
Selecting a parameter
Turn the setting dial or press the UP/DOWN key until "C4" (C4 (Pr.903) Terminal 2 frequency setting gain)
appears for terminal 2, or "C7" (C7 (Pr.905) Terminal 4 frequency setting gain) for terminal 4.
6.
Analog voltage (current) display
Press the SET key to display the analog voltage (current) value (%) currently applied to terminal 2 (terminal 4).
7.
Analog voltage (current) adjustment
After the setting dial is turned or the UP/DOWN key is pressed, the gain voltage (current) value (%) currently set to
the parameter appears.
Turn the setting dial or press the UP/DOWN key until the gain voltage (current) to be adjusted appears.
8.
Setting completed
Press the SET key to confirm the setting. The analog voltage (current) value (%) blinks when it is applied.
• Turn the setting dial or press the UP/DOWN key to read another parameter.
• Press the SET key to return to the "C---" display.
• Press the SET key twice to show the next parameter.
NOTE
• The present frequency setting bias/gain setting can be checked by pressing the setting dial or pressing the UP/DOWN key one
time after step 6. The setting cannot be checked after step 7.
12.(T) Multi-Function Input Terminal Parameters
12.4 Frequency setting voltage (current) bias and gain
11
12
13
14
15
16
17
18
19
20
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