6 Vector Control
6 - 56
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
6-9 Torque Control
• The inverter also provides torque control, in addition to speed control and pulse train position control.
• To use this function, set the 1st Control Method (A044) to 05 (Sensor vector control) and the V2
Control Mode Selection (P012) to 00 (Speed control mode).
• To use torque control, allocate one of the Multi-function Input S1 to S8 Selection (C001 to C008) to
52 (ATR: Torque command input permission). The torque reference input is enabled when the
terminal ATR is ON.
• In the Torque Reference Input Selection (P033), select whether to input the torque reference via an
analog input terminal or the Digital Operator.
• Because, under torque control, the speed of the inverter is determined by the balance between
torque and load, set the Speed Limit Value in Torque Control (Forward/Reverse) (P039/P040) to
prevent the inverter from going out of control.
6-9-1 Torque Control Parameter Settings
Parameter No. Function name Data Default data Unit
P033
Torque Reference Input
Selection
00: Terminal FV
01: Terminal FI
02: Terminal FE
03: Digital Operator
00 –
P034 Torque Reference Setting
0. to 200. (0.4 to 55 kW)
0. to 180. (75 to 132 kW)
Torque reference when P033 = 03
0. %
P035
Polarity Selection at
Torque Reference via FE
00: Signed
01: Depends on the RUN direction
00 –
P036 Torque Bias Mode
00: None
01: Digital Operator
02: Terminal FE
00 –
P037 Torque Bias Value
–200. to 200. (0.4 to 55 kW)
–180. to 180. (75 to 132 kW)
Enabled when P036 = 01
0. %
P038
Torque Bias Polarity
Selection
00: Signed
01: Depends on the RUN direction
00 –
P039
Speed Limit Value in
Torque Control (Forward)
0.00 to 1st Maximum Frequency (A004) 0.00 Hz
P040
Speed Limit Value in
Torque Control (Reverse)
0.00 to 1st Maximum Frequency (A004) 0.00 Hz
C001 to C008
Multi-function Input S1 to
S8 Selection
52: ATR (Torque command input
permission)
––
Related
functions
d009, d010, d012
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