E6582175
F-34
6
6.8 Basic parameters 2
6.8.1 Switching motor characteristics via terminal input
f170 : Base frequency 2
f171 : Base frequency voltage 2
f172 : Torque boost value 2
f173 : Motor electronic-thermal protection level 2
f185 : Stall prevention level 2
Function
Use the above parameters to switch the operation of two motors with a single inverter and to select
motor V/F characteristics (two types) according to the particular needs or operation mode.
Note: The pt (V/F control mode selection) parameter is enabled only for motor 1.
If motor 2 is selected, V/F control will be given constant torque characteristics.
[Parameter setting]
Title Function Adjustment range Default setting
f170
Base frequency 2 20.0-500.0 *1
f171
Base frequency voltage 2
50-330 (V) (240V class)
50-660 (V) (500V class)
*1
f172
Torque boost value 2 0.0-30.0 (%)
Depending on model
(Refer to section 11.4)
f173
Motor electronic-thermal
protection level 2
10-100 (%) / (A) *2 100
f185
Stall prevention level 2
10-199 (%) / (A),
200 : Disabled *2
150
*1: Default setting values vary depending on the setup menu. Refer to section 11.5.
*2: The inverter's rated current is 100%. When f701 (current and voltage unit selection)
= 1 (A (amps)/V (volts)) is set, it can be set at A (amps).
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