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Mitsubishi Electric FR-CS84-012 Instruction Manual Page 136

Freqrol-cs80.
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Use
Pr.73 Analog input selection (Pr.267 Terminal 4 input selection)
among input of 0 to 5 VDC, 0 to 10 V, and 0 to 20 mA. (Refer to
Pr.
Name
C2 (902)
Terminal 2 frequency
*1
setting bias frequency
T200
C3 (902)
Terminal 2 frequency
*1
setting bias
T201
125 (903)
Terminal 2 frequency
*1
setting gain frequency
T202
C4 (903)
Terminal 2 frequency
*1
setting gain
T203
C5 (904)
Terminal 4 frequency
*1
setting bias frequency
T400
C6 (904)
Terminal 4 frequency
*1
setting bias
T401
126 (905)
Terminal 4 frequency
*1
setting gain frequency
T402
C7 (905)
Terminal 4 frequency
*1
setting gain
T403
*1
The parameter number in parentheses is the one for use with the LCD operation panel and the parameter unit.
 To change the frequency for the maximum analog input (Pr.125, Pr.126)
• Use
to change the frequency setting (gain) for the maximum analog input voltage (current).
Pr.125 (Pr.126)
(
C2 (Pr.902) to C7 (Pr.905)
 Analog input bias/gain calibration (C2 (Pr.902) to C7 (Pr.905))
• The "bias" and "gain" functions serve to adjust the relationship between a setting input signal and the output frequency. A
setting input signal is such as a 0 to 5 VDC, 0 to 10 VDC, or 4 to 20 mADC signal externally input to set the output
frequency.
• Set the bias frequency of the terminal 2 input using
• Use
to set the output frequency to the frequency command voltage (current) set by
Pr.125
• Set the bias frequency of the terminal 4 input using
• Use
to set the output frequency to the 20 mA input of the frequency command current (4 to 20 mA).
Pr.126
50Hz
Bias
C2(Pr.902)
0
0
Frequency setting signal
0
0
C3(Pr.902)
• There are three methods to adjust the bias/gain frequency setting voltage (current).
Adjustment by applying voltage (current) between terminals 2 and 5 (4 and 5) to set the voltage (current) at the bias/gain
torque.
page 136
Adjustment by selecting the voltage (current) at the bias/gain torque without applying voltage (current) between terminals
2 and 5 (4 and 5).
page 137
Adjustment by changing the frequency without adjusting the voltage (current).
Setting
Initial value
range
0 Hz
0 to 400 Hz Set the bias frequency for the terminal 2 input.
0%
0 to 300%
50 Hz
0 to 400 Hz Set the gain (maximum) frequency for the terminal 2 input.
100%
0 to 300%
0 Hz
0 to 400 Hz Set the bias frequency for the terminal 4 input.
20%
0 to 300%
50 Hz
0 to 400 Hz Set the gain (maximum) frequency for the terminal 4 input.
100%
0 to 300%
settings do not need to be changed.)
C2 (Pr.902)
C5 (Pr.904)
Initial value
Gain
Pr.125
100%
5V
10V
20mA
C4(Pr.903)
and the voltage/current input selection switch to switch
page
131.)
Description
Set the converted % of the bias voltage (current) for the terminal
2 input.
Set the converted % of the gain voltage (current) for the terminal
2 input.
Set the converted % of the bias current (voltage) for the terminal
4 input.
Set the converted % of the gain current (voltage) for the terminal
4 input.
. (It is initially set to the frequency at 0 V.)
. (It is initially set to the frequency at 4 mA.)
page 138
5.8 (T) Multi-function input terminal parameters
.
Pr.73 Analog input selection
5. PARAMETERS
2
2
3
4
5
6
7
8
9
10
135

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