7 Detailed Functions
7 - 82
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
• This function is enabled when the 1st/2nd Control Method (A044/A244) is set to 03 (Sensorless
vector control), 04 (0-Hz sensorless vector control), or 05 (Sensor vector control). It is used to set the
upper limit of the motor output torque.
• For details on the torque limit function, refer to 6-5-1 Torque Limit Function Settings on page 6-31.
Torque Limit Function
Parameter
No.
Function name Data Default data Unit
b040
Torque Limit
Selection
00: Four-quadrant separate setting
01: Terminal switching
02: Analog voltage input
03: Option 1
04: Option 2
00 –
b041
Torque Limit 1
(Four-quadrant
Mode Forward
Power Running)
Heavy
load
(CT)
0. to 200.
(0.4 to 55 kW)
150. %0. to 180.
(75 to 132 kW)
no: Torque limit disabled
Light
load
(VT)
0. to 150.
120. %
no: Torque limit disabled
b042
Torque Limit 2
(Four-quadrant
Mode Reverse
Regeneration)
Heavy
load
(CT)
0. to 200.
(0.4 to 55 kW)
150. %0. to 180.
(75 to 132 kW)
no: Torque limit disabled
Light
load
(VT)
0. to 150.
(0.4 to 132 kW)
120. %
no: Torque limit disabled
b043
Torque Limit 3
(Four-quadrant
Mode Reverse
Power Running)
Heavy
load
(CT)
0. to 200.
(0.4 to 55 kW)
150. %0. to 180.
(75 to 132 kW)
no: Torque limit disabled
Light
load
(VT)
0. to 150.
(0.4 to 132 kW)
120. %
no: Torque limit disabled
b044
Torque Limit 4
(Four-quadrant
Mode Forward
Regeneration)
Heavy
load
(CT)
0. to 200.
(0.4 to 55 kW)
150. %0. to 180.
(75 to 132 kW)
no: Torque limit disabled
Light
load
(VT)
0. to 150.
(0.4 to 132 kW)
120. %
no: Torque limit disabled
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