Specifications

35
indicates simple mode parameters and indicates extended parameters. When setting parameters, refer to the instruction manual (applied) and understand instructions.
Pr.
Pr.
You can change the motor sound.
* The setting range varies according to the inverter capacity. (55K or less/75K
or more).
(Note)When Pr. 260="1 (initial value)", if continuous operation is performed at
85% or more of the rated inverter current with Pr. 72 value set to “3”
(3kHz) or more, the carrier frequency is automatically reduced. This
may cause the motor noise to increase.
z You can select the function that switches between forward rotation
and reverse rotation according to the analog input polarity, the
override function and the input signal specifications.
z For the terminals 1, 2, 4 used for analog input, voltage input (0 to
5V, 0 to 10V) or current input (4 to 20mA) can be selected.
z The additional compensation and fixed ratio of analog
compensation (override) using terminal 2 as an auxiliary input can
be made to multi-speed operation or the speed setting signal
(main speed) of the terminal 2 or terminal 4.
( indicates the main speed setting)
(1) Added compensation (Pr.242, Pr.243)
⋅ A compensation signal can be added to the main speed
setting for synchronous operation, etc.
⋅ The terminal 1 (frequency setting auxiliary input) signal is added
to the main speed setting signal of the terminal 2 or 4.
(2) Override function (Pr.252, Pr.253)
⋅ When an override is selected, the terminal 1 or 4 is used for
the main speed setting and the terminal 2 for the override
signal. (When the main speed of the terminal 1 or terminal 4
is not input, compensation by the terminal 2 is invalid.)
⋅ When an override is selected, the terminal 1 or 4 is used for the
main speed setting and the terminal 2 for the override signal (50%
to 150% at 0 to 5V or 0 to 10V). (When the main speed of the
terminal 1 or 4 is not input, compensation by the terminal 2 is
invalid.)
⋅ When Pr. 22 Stall prevention operation level = "9999", the value of
the terminal 1 is as set to the stall prevention operation level.
Carrier frequency and SoftPWM selection
Pr.72 PWM frequency selection Pr.240 Soft-PWM operation selection
Pr.260 PWM frequency automatic switchover
Pr.
Number
Setting
Range
Description
72
0 to 15/
0 to 6, 25 *
You can change the PWM carrier frequency. The
setting displayed is in [kHz].
Note that 0 indicates 0.7kHz, 15 indicates
14.5kHz and 25 indicates 2.5kHz.
240
0 Soft-PWM is invalid
1
When "0 to 5" ("0 to 4" for the 75K or more) is set
in Pr. 72, Soft-PWM is valid
260
0
PWM carrier frequency is constant independently
of load. When the carrier frequency is set to 3kHz
or more (Pr. 72 ≥ 3), perform continuous operation
at less than 85% of the rated inverter current.
1
Decreases PWM carrier frequency automatically
when load increases.
Analog input selection
Pr.73 Analog input selection
Pr.242 Terminal 1 added compensation amount (terminal 2)
Pr.243 Terminal 1 added compensation amount (terminal 4)
Pr.252 Override bias Pr.253 Override gain
Pr.267 Terminal 4 input selection
Pr. 73
Setting
Terminal 2
Input
Termin al 1
Input
Terminal 4 Input
Compensation
Input Terminal
and
Compensation
Method
Polarity Reversible
0 0 to 10V 0 to ± 10V
When the AU
signal is off
×
Ter m i n al 1
added
compensation
Not function
(Indicates that
a frequency
command
signal of
negative
polarity is not
accepted. )
1
(Initial
value)
0 to 5V 0 to ± 10V
2 0 to 10V 0 to ± 5V
3 0 to 5V 0 to ± 5V
4 0 to 10V 0 to ± 10V
Ter m i n al 2
override
5 0 to 5V 0 to ± 5V
6 4 to 20mA 0 to ± 10V
Ter m i n al 1
added
compensation
7 4 to 20mA 0 to ± 5V
10 0 to 10V 0 to ± 10V
Function
11 0 to 5V 0 to ± 10V
12 0 to 10V 0 to ± 5V
13 0 to 5V 0 to ± 5V
14 0 to 10V 0 to ± 10V
Ter m i n al 2
override
15 0 to 5V 0 to ± 5V
16 4 to 20mA 0 to ± 10V Ter m i n al 1
added
compensation
17 4 to 20mA 0 to ± 5V
Pr.
72, 240, 260
Pr.
73, 242, 243, 252, 253, 267
0 0 to 10V 0 to ± 10V
When the AU
signal is on
According to the
Pr. 267 setting
(Initial value)
1:0 to 5V
2:0 to 10V
Ter m i n al 1
added
compensation
Not function
(Indicates that
a frequency
command
signal of
negative
polarity is not
accepted. )
1
(Initial
value)
×
0 to ± 10V
2 0 to ± 5V
3 0 to ± 5V
4 0 to 10V
×
Ter m i n al 2
override
5 0 to 5V
6
×
0 to ± 10V
Ter m i n al 1
added
compensation
7 0 to ± 5V
10
×
0 to ± 10V
Function
11 0 to ± 10V
12 0 to ± 5V
13 0 to ± 5V
14 0 to 10V
×
Ter m i n al 2
override
15 0 to 5V
16
×
0 to ± 10V Ter m i n al 1
added
compensation
17 0 to ± 5V
Pr. 73
Setting
Terminal 2
Input
Terminal 1
Input
Terminal 4 Input
Compensation
Input Terminal
and
Compensation
Method
Polarity Reversible
Output frequency
When voltage across
terminals 2-5 is 2.5V
(5V)
When voltage
across terminals
2-5 is 0V
+5V
(+10V)
Terminal 1
0
-2.5V
(-5V)
-5V
(-10V)
STF
Forward rotation
Forward rotation
(a) When Pr. 73 setting is 0 to 5
Output frequency
When voltage across
terminals 2-5 is 2.5V
(5V)
When voltage
across terminals
2-5 is 0V
+5V
(+10V)
Terminal 1
0
-2.5V
(-5V)
-5V
(-10V)
STF
Forward rotation
Forward rotation
(b) When Pr. 73 setting is 10 to 15
Reverse rotation
Reverse rotation
+2.5V
(+5V)
+2.5V
(+5V)
P
r.252
0V
2.5V
(5V)
5V
(10V)
0
50
100
150
200
Initial value
(50% to 150%)
Voltage across terminals 2-5
P
r.253
Override value (%)