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Speed setting by analog input (terminal 2, 4)
4
PARAMETERS
4.15.4 Bias and gain of speed setting voltage (current)
(Pr.125, Pr.126, Pr.241, C2 (Pr.902) to C7 (Pr.905))
[Speed setting bias/gain parameter]
This parameter can be set when Pr.160 Extended function display selection = "0". (Refer to page 182)
The parameter number in parentheses is the one for use with parameter unit (FR-PU07).
This parameter allows its setting to be changed during operation in any operation mode even if "0" (initial value) is set in Pr.77 Parameter write selection.
When a value exceeding 3000 r/min is set, the rotation speed will be limited at 3000 r/min.
Also, when an S-PM geared motor is used, the maximum setting value differs depending on the drive unit capacity. (0.2 to 2.2K: 12000 r/min, 3.7K: 8000 r/
min)
You can set the magnitude (slope) of the rotation speed as desired in relation to the speed setting signal (0 to 5V, 0 to
10V or 4 to 20mADC).
Set Pr.267 and voltage/current input switch to switch between 0 to 5VDC, 0 to 10VDC, 0 to 20mADC using terminal 4.
(Refer to page 168)
Parameter
number
Name
Initial
value
Setting
range
Description
125
Terminal 2 speed setting
gain speed
3000r/min 0 to 4800r/min Speed of terminal 2 input gain (maximum).
126
Terminal 4 speed setting
gain speed
3000r/min 0 to 4800r/min Speed of terminal 4 input gain (maximum).
241,
Analog input display unit
switchover
0
0
Displayed in
%
Unit for analog input display.
1
Displayed in
V/mA
C2(902)
,
Terminal 2 speed setting bias
speed
0r/min 0 to 4800r/min
Speed
on the bias side of terminal 2 input.
C3(902)
,
Terminal 2 speed setting bias
0% 0 to 300%
Converted % of the bias side voltage of
terminal 2 input.
C4(903)
,
Terminal 2 speed setting
gain
100% 0 to 300%
Converted % of the gain side voltage of
terminal 2 input.
C5(904)
,
Terminal 4 speed setting bias
speed
0r/min 0 to 4800r/min
Speed
on the bias side of terminal 4 input.
C6(904)
,
Terminal 4 speed setting bias
20% 0 to 300%
Converted % of the bias side current (voltage)
of terminal 4 input.
C7(905)
,
Terminal 4 speed setting
gain
100% 0 to 300%
Converted % of the gain side current (voltage)
of terminal 4 input.