Omron RX Series - Page 209

5 - 13
5 Basic Settings
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
5-2 V/f Control Settings
5
5-2-2 Heavy Load/Light Load Selection
 Parameters whose Setting Ranges and Default Settings are Switched
between Heavy Load and Light Load Mode
No.
Parameter
name
Setting range Default data
Initialization at
mode switching
Heavy load (CT) Light load (VT)
Heavy load
(CT)
Light load
(VT)
Heavy
to Light
Light to
Heavy
A044
1st Control
Method
00: Constant torque
characteristics
01: Reduced torque
characteristics
02: Free V/f setting
03: Sensorless vector control
04: 0-Hz sensorless vector
control
05: Sensor vector control
00: Constant torque
characteristics
01: Reduced torque
characteristics
02: Free V/f setting
03: Sensorless vector control
00
No
switching
Enabled Disabled
A244
2nd Control
Method
00: Constant torque
characteristics
01: Reduced torque
characteristics
02: Free V/f setting
03: Sensorless vector control
04: 0-Hz sensorless vector
control
00: Constant torque
characteristics
01: Reduced torque
characteristics
02: Free V/f setting
03: Sensorless vector control
00
No
switching
A054
DC Injection
Braking
Power
Percentage of heavy-load
rated current
0. to 100.[%] (0. to 80.[%])
Percentage of light-load
rated current
0. to 70.[%] (0. to 50.[%])
50.[%]
(40.[%])
No
switching
Enabled Disabled
A057
Startup DC
Injection
Braking
Power
0.[%]
No
switching
A059
DC Injection
Braking
Carrier
Frequency
0.5 to 15.0 [kHz] (0.5 to 10.0
[kHz])
0.5 to 12.0 [kHz] (0.5 to 8.0
[kHz])
5.0 [kHz]
(3.0 [kHz])
3.0 [kHz]
(3.0 [kHz])
Enabled Disabled
A085
Operation
Mode
Selection
00: Normal operation
01: Energy-saving operation
02: Automatic operation
00: Normal operation
01: Energy-saving operation
00
No
switching
Enabled Disabled
b012
1st Electronic
Thermal
Level
0.20 x Heavy-load rated
current to 1.00 x Heavy-load
rated current [A]
0.20 x Light-load rated
current to 1.00 x Light-load
rated current [A]
Heavy-load
rated
current [A]
Lig
ht-load
rated
current [A]
Conversion
*1
Conversion
*1
b212
2nd
Electronic
Thermal
Level
b312
3rd Electronic
Thermal
Level
b016
Free-electronic
Thermal
Current 1
0.00 x Heavy-load rated
current to 1.00 x Heavy-load
rated current [A]
0.00 x Light-load rated
current to 1.00 x Light-load
rated current [A]
0.00 [A]
No
switching
Disabled Disabledb018
Free-electronic
Thermal
Current 2
b020
Free-electronic
Thermal
Current 3