Mitsubishi Electric 800 Series Instruction Manual page 406

Frequency setting voltage (current) bias/gain adjustment method
(a) Adjust any point with application of a voltage (current) between terminals 2 and 5 (4 and 5). (Frequency setting gain
adjustment example)
Screen at power-ON
1.
The monitor display appears.
Changing the operation mode
2.
Select the PU operation mode.
Selecting the parameter number
3.
Read Pr.903 for terminal 2.
Read Pr.905 for terminal 4.
Analog voltage (current) display
Press [A-SET]. The analog voltage (current) value (%) currently applied to the terminal 2 (4) is displayed.
4.
Do not touch
Voltage (current) application
5.
Apply a 5 V (20 mA) . (Turn the external potentiometer connected across terminals 2 and 5 (terminals 4 and 5) to a desired
position.)
Setting completed
6.
Press [SET] twice.
The analog voltage (current) value (%) adjustment is completed.
(b) Adjust any point without application of a voltage (current) between terminals 2 and 5 (4 and 5). (Frequency setting gain
adjustment example)
Screen at power-ON
1.
The monitor display appears.
Changing the operation mode
2.
Select the PU operation mode.
Selecting the parameter number
3.
Read Pr.903 for terminal 2.
Read Pr.905 for terminal 4.
Analog voltage (current) display
4.
Press [A-SET]. The analog voltage (current) value (%) currently applied to the terminal 2 (4) is displayed.
Analog voltage (current) adjustment
Press [SET]. Select the gain voltage (current) value (%) currently set in the parameter.
5.
When until the desired gain voltage (current) % is displayed.
Setting completed
6.
Press [SET].
The analog voltage (current) value (%) adjustment is completed.
until calibration is completed.
(T) Multi-Function Input Terminal Parameters
Operation
Operation
405
PARAMETERS
5
GROUP
T