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7 Detailed Functions
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
7-4 Detailed Functions (Group b)
7
b013
1st Electronic Thermal
Characteristics
Selection
00: Reduced torque characteristics
(for general-purpose motor)
01: Constant torque characteristics
(for dedicated Inverter motor)
02: Free setting
(Select 00 or 01 according to your
motor.)
00 –
b213
2nd Electronic Thermal
Characteristics
Selection
*1
b313
3rd Electronic Thermal
Characteristics
Selection
*1
b015
Free-electronic Thermal
Frequency 1
0. to Free-electronic Thermal
Frequency 2
*3
0. Hzb017
Free-electronic Thermal
Frequency 2
Free-electronic Thermal Frequency 1
to Free-electronic Thermal
Frequency
*3
b019
Free-electronic Thermal
Frequency 3
Free-electronic Thermal Frequency 2
to 400
*3
b016
Free-electronic Thermal
Current 1
0.00 to Rated current
(Set to match the rated current of your
motor.)
0.00 Ab018
Free-electronic Thermal
Current 2
b020
Free-electronic Thermal
Current 3
C061
Electronic Thermal
Warning Level
0. to 100.
*4
80 %
*1. To enable the switching to the 2nd/3rd control, allocate one of the Multi-function Input S1 to S8 Selection (C001
to C008) to 08 (SET) or 17 (SET3) and turn ON that terminal.
*2. You cannot disable the electronic thermal function because it also serves as a thermal for not only the motor, but
also the inverter.
Setting the Electronic Thermal Level to the maximum value is equivalent to disabling it.
*3. Setting the Free-electronic Thermal Frequency to 0 causes a warning (120).
*4. Set this value as a percentage of the integrated electronic thermal value. Take into consideration that an
Overload trip (E05) error occurs when the integrated electronic thermal value reaches 100%.
This integrated electronic thermal value can be checked with the Electronic Thermal Load Rate Monitor (d104).
Parameter No. Function name Data Default data Unit