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Simple mode parameters
7
7 PARAMETERS
Simple variable-speed operation can be performed with the inverter in the initial settings. Set the required parameters
according to the load and operating conditions. Use the operation panel to set or change a parameter. (Refer to Chapter 4
of the Instruction Manual (Applied) for the detailed description of parameters.
7.1 Simple mode parameters
POINT
In the initial setting, only the simple mode parameters are displayed by the Pr.160 Extended function display selection
setting. Change the Pr.160 Extended function display selection setting as required. (Refer to page 57 to change the
parameter.
Parameter
Number
Name Unit
Initial
Value
Range Application
0 Torque boost 0.1%
6%/4%/3%/
2%
*
0 to 30%
Use this parameter to increase starting torque under V/F
control. Use this when a loaded motor cannot be driven
and the warning [OL] occurs, then the inverter trips with
[OC1] under V/F control.
∗ Initial value depends on the inverter capacity.
(0.75K or lower/1.5K to 3.7K/5.5K, 7.5K/11K, 15K)
1 Maximum frequency 0.01Hz 120Hz 0 to 120Hz
Use this parameter to set the upper limit for the output
frequency.
2 Minimum frequency 0.01Hz 0Hz 0 to 120Hz
Use this parameter to set the lower limit for the output
frequency.
3 Base frequency 0.01Hz 60Hz 0 to 400Hz
Use this parameter when the rated motor frequency is 50Hz.
Check the rating plate of the motor.
4 Multi-speed setting (high speed) 0.01Hz 60Hz 0 to 400Hz
Use these parameters to change among pre-set operation
speeds with the terminals. The speeds are pre-set with
parameters.
5
Multi-speed setting (middle
speed)
0.01Hz 30Hz 0 to 400Hz
6 Multi-speed setting (low speed) 0.01Hz 10Hz 0 to 400Hz
7 Acceleration time 0.1s 5s/10s/15s
* 0 to 3600s Use these parameters to set the acceleration/deceleration
time.
∗ Initial value depends on the inverter capacity.
(3.7K or lower/5.5K, 7.5K/11K, 15K)
8 Deceleration time 0.1s 5s/10s/15s* 0 to 3600s
9 Electronic thermal O/L relay 0.01A
Rated
inverter
current
0 to 500A
With this parameter, the inverter protects the motor from
heat.
Set the rated motor current.
79 Operation mode selection 1 0
0 External/PU switchover mode
1 Fixed to PU operation mode
2 Fixed to External operation mode
3
External/PU combined operation mode 1
(Start command from External, frequency command from
PU)
4
External/PU combined operation mode 2
(Frequency command from External, start command from
PU)
6Switchover mode
7 External operation mode (PU operation interlock)
125
Terminal 2 frequency setting
gain frequency
0.01Hz 60Hz 0 to 400Hz
Use this parameter to change the frequency at the
maximum potentiometer setting (5V in the initial setting)
126
Terminal 4 frequency setting
gain frequency
0.01Hz 60Hz 0 to 400Hz
Use this parameter to change the frequency at the
maximum current input (20mA in the initial setting)
160
Extended function display
selection
19999
0 Simple mode + extended mode parameters are displayed.
9999 Only the simple mode parameters are displayed.
Pr.CL Parameter clear 1 0 0, 1
Setting "1" returns all parameters except calibration
parameters to the initial values.
ALLC All parameter clear 1 0 0, 1 Setting "1" returns all parameters to the initial values.
Er.CL Fault history clear 1 0 0, 1 Setting "1" clears eight past faults.
Pr.CH Initial value change list ⎯⎯ ⎯
Displays and sets the parameters changed from the initial
value.
6