Changing The Frequency (60 Hz, Initial Value) At The Maximum Current Input; (At 20 Ma, Initial Value) - Mitsubishi Electric FR-F820-04750 Instruction Manual

Basic operation
4.6.6

Changing the frequency (60 Hz, initial value) at the maximum current input

(at 20 mA, initial value)

Change the maximum frequency
Example Changing example:
With a 4 to 20 mA input frequency setting potentiometer, change the frequency at 20 mA from
60 Hz (initial value) to 50 Hz.
Adjust the setting so that the inverter outputs 50 Hz when 20 mA is input. Set "50 Hz" in Pr. 126.
Parameter selection
Turn
Press
Changing the maximum frequency
Turn
Press
Checking the mode/monitor
Press
Start
Turn ON the start switch (STF or STR), then turn the potentiometer (frequency setting potentiometer) clockwise slowly
to full. (Refer to steps
Tab. 4-20:
NOTES To set the frequency at 4 mA, use the calibration parameter C5.
Output frequency [Hz]
Other adjustment methods for the frequency setting current gain are the following: adjustment
by applying a current through terminals 4 and 5, and adjustment using a specified point without
applying a current through terminals 4 and 5.
Parameters referred to
Pr. 126
C5 (Pr. 904)
C7 (Pr. 905)
FR-F800
until (Pr. 126) appears.
to show the present set value. (60.00 Hz)
to change the set value to "
to enter the setting."
three times to change to the monitor / frequency monitor.
and in section 4.6.5.) Operate at 50 Hz.
Change the frequency of the maximum analog value
60 Hz
(50 Hz)
Bias
C5
(Pr. 904)
0 20
0 4
Frequency setting
0 1
0 2
C6 (Pr. 904)
Terminal 4 frequency setting gain frequency
Terminal 4 frequency setting bias frequency
Terminal 4 frequency setting gain
Basic operation procedure (External operation)
Operation
". (50.00 Hz)
" and " " flicker alternately.
Initial value
Gain Pr. 126
100%
20 mA
5 V
signal
10 V
C7 (Pr. 905)
=> page 5-260
=> page 5-260
=> page 5-260
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