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Explanation of functions (parameters)
REMARKS
•When running two motors with one inverter, you can set the electronic thermal relay function
of each inverter.
CAUTION
Set this parameter correctly according to the motor used.
Incorrect setting may cause the motor to overheat and burn.
Pr. 71
applied
motor
First Motor Electronic Thermal Relay
Function
Second Motor Electronic Thermal
Relay Function
Pr. 9
setting
RT = OFF RT = ON
additional
parameter
H7 setting
RT = OFF RT = ON
0
0
- - -, 0
0.1 to 50A
standard
0.1 to 50A
standard
- - -
0
0.1 to 50A
standard
1
0
- - -, 0
0.1 to 50A
standard
0.1 to 50A
constant-
torque
- - -
0
0.1 to 50A
standard
100
0
- - -, 0
0.1 to 50A
constant-
torque
0.1 to 50A
standard
- - -
0
0.1 to 50A
constant-
torque
101
0
- - -, 0
0.1 to 50A
constant-
torque
0.1 to 50A
constant-
torque
- - -
0
0.1 to 50A
constant-
torque
standard ...................Thermal characteristic for
standard motor
constant-torque ........Thermal characteristic for
constant-torque motor
..... Output current value is used to
perform integration processing.
..... Perform integration processing
using output current of 0A.
..... Electronic thermal relay function
is not activated (cumulative
value clear)