Bias And Gain Of The Built-In Frequency Setting Potentiometer (C22 (Pr. 922) To C25 (Pr. 923)) - Mitsubishi Electric FR-E720-0.1 K Instruction Manual

4.24.2 Bias and gain of the built-in frequency setting potentiometer (C22 (Pr. 922) to C25
(Pr. 923))
When the operation panel (PA02) for the FR-E500 series is hooked up with the PU cable, the magnitude (slope) of the
output frequency to the frequency setting potentiometer of the operation panel can be set as desired.
Parameter
No.
Frequency setting voltage bias
C22(922) ∗1
frequency (built-in potentiometer)
Frequency setting voltage bias (built-
C23(922) ∗1
in potentiometer)
Frequency setting voltage gain
C24(923) ∗1
frequency (built-in potentiometer)
Frequency setting voltage gain (built-
C25(923) ∗1
in potentiometer)
∗1
The parameter number in parentheses is the one for use with the operation panel (PA02) for the FR-E500 series or parameter unit (FR-PU04/FR-PU07).
The above parameters can be set when Pr. 160 User group read selection ="0". (Refer to page 183)
Adjust the bias of the potentiometer of the operation panel
using Pr. 922 (C22, C23) and gain with Pr. 923 (C24, C25).
<Setting>
[Setting from the FR-E500 series operation panel (PA02)]
Bias/gain adjustment methods using the built-in potentiometer are shown below.
Method to adjust any point by turning the potentiometer.
Method to adjust any point without turning the potentiometer.
Method to adjust the bias/gain frequency only.
Set the gain frequency in Pr. 923 to display the analog voltage value of the built-in frequency setting
Method to adjust any
point by turning the
potentiometer.
Re-set the Pr.79 Operation mode selection value according to the operation mode being used.
FR-E500 series operation panel (PA02) setting
Initial
Name
Value
0Hz
0%
60Hz
100%
Power on
Make sure that the inverter is in PU mode.
Read Pr. 923 to display the currently set gain frequency.
potentiometer in %.
Method to adjust only
the gain frequency and
not to adjust the
voltage
Press the key to shift to the next parameter
Setting
Range
Frequency on the bias side of PA02 built-in
0 to 400Hz
frequency setting potentiometer.
Converted % of the bias side setting level of
0 to 300%
PA02 built-in frequency setting potentiometer.
Frequency on the gain side of PA02 built-in
0 to 400Hz
frequency setting potentiometer.
Converted % of the bias side setting level of
0 to 300%
PA02 built-in frequency setting potentiometer.
60Hz
Bias
C22 (Pr. 922)
0
C23 (Pr. 922)
Frequency setting signal
(Built-in frequency setting potentiometer)
Method to adjust any
point without turning
the potentiometer.
Description
Initial value
Gain
C24 (Pr. 923)
100%
C25 (Pr. 923)
267
4