Mitsubishi Electric FR-A820-00046 (0.4K), Instruction Manual

Page: 340 / 1218

Torque control under Real sensorless vector control and vector control Parameters
5 - 138
5.4.4 Torque command
For torque control, the torque command source can be selected.
Control block diagram
Pr. Name
Initial
value
Setting
range
Description
803
G210
Constant output range
torque characteristic
selection
0
0
Constant motor output
command In the torque command
setting, select torque
command for the constant
output area.
1 Constant torque command
804
D400
Torque command source
selection
0
0 Torque command based on the analog input to the terminal 1
1
Torque command (-400% to 400%) by the parameter setting
(Pr. 805 or Pr. 806)
3
Torque command via CC-Link communication
(FR-A8NC/FR-A8NCE/FR-A800-GF/FR-A800-E))
Torque command via PROFIBUS-DP communication (FR-A8NP)
4 12/16-bit digital input (FR-A8AX)
5
Torque command via CC-Link communication
(FR-A8NC/FR-A8NCE/FR-A800-GF/FR-A800-E))
Torque command via PROFIBUS-DP communication (FR-A8NP)
6
805
D401
Torque command value
(RAM)
1000%
600 to
1400%
Writes the torque command value in RAM. Regards 1000% as 0%,
and set torque command by an offset of 1000%.
806
D402
Torque command value
(RAM, EEPROM)
1000%
600 to
1400%
Writes the torque command value in RAM and EEPROM. Regards
1000% as 0%, and set torque command by an offset of 1000%.
1114
D403
Torque command
reverse selection
1
0 Not reversed
Select whether to reverse the
torque command polarity or
not when the reverse rotation
command (STR) is turned ON.
1 Reversed
I002533E
Fig. 5-44: Control block diagram
Sensorless Sensorless Sensorless Sensorless Sensorless Sensorless Sensorless Sensorless Sensorless Vector Vector Vector
+
-
-
0
1,3,5,6
4
+
[Pr. 804] Torque command
source selection
Analog input
Parameter [Pr. 805, Pr. 806]
16-bit digital input
(FR-A8AX)
Speed limit input
Speed
estimated
value
<Speed limit value
Speed control
(proportional control)
Speed limit value
Speed
estimated
value
Real sensorless vector control
Vector control
Speed estimator
Torque control
Motor
Encoder