Torque Command - Mitsubishi Electric FR-A820-00046 Instruction Manual

Torque control under Real sensorless vector control and vector control
5.4.4

Torque command

For torque control, the torque command source can be selected.
Pr.
803
G210
804
D400
805
D401
806
D402
1114
D403
Control block diagram
Parameter [Pr. 805, Pr. 806]
Fig. 5-44:
5 - 132
Sensorless Sensorless Sensorless Sensorless Sensorless Sensorless Sensorless Sensorless Vector Sensorless
Initial
Name
value
Constant output range
torque characteristic
selection
Torque command source
selection
Torque command value
1000%
(RAM)
Torque command value
1000%
(RAM, EEPROM)
Torque command
reverse selection
[Pr. 804] Torque command
source selection
0
Analog input
1,3,5,6
16-bit digital input
4
(FR-A8AX)
Speed limit input
Control block diagram
Vector Vector
Setting
Description
range
Constant motor output
0
command
0
1 Constant torque command
0 Torque command based on the analog input to the terminal 1
Torque command (-400% to 400%) by the parameter setting (Pr.
1
805 or Pr. 806)
Torque command via CC-Link communication (FR-A8NC/FR-
3 A8NCE)
0
Torque command via PROFIBUS-DR communication (FR-A8NP)
4 12/16-bit digital input (FR-A8AX)
Torque command via CC-Link communication (FR-A8NC/FR-
5
A8NCE)
6
Torque command via PROFIBUS-DR communication (FR-A8NP)
600 to Writes the torque command value in RAM. Regards 1000% as 0%,
1400% and set torque command by an offset of 1000%.
600 to Writes the torque command value in RAM and EEPROM. Regards
1400% 1000% as 0%, and set torque command by an offset of 1000%.
0 Not reversed
1
1 Reversed
Speed
estimated <Speed limit value
value
Speed control
+
(proportional control)
Speed
estimated Speed limit value
-
value
Real sensorless vector control
Vector control
Parameters
In the torque command
setting, select torque
command for the constant
output area.
Select whether to reverse the
torque command polarity or
not when the reverse rotation
command (STR) is turned ON.
+
Torque control
-
Speed estimator
Motor
Encoder
I002533E