Mitsubishi Electric FR-A700 EC, Instruction Manual

Page: 257 / 826

Parameter Speed control by real sensorless vector control, vector control
FR-A700 EC 6 - 77
6.3.1 Selection method of real sensorless vector control (speed control)
Fig. 6-5: Selection of the real sensorless vector control (speed control)
Sensorless Sensorless Sensorless
Set the motor (Pr. 71). (Refer to section 6.12.2.)
Set the motor capacity and the number of motor poles according
as required. (Pr. 80, Pr. 81) (Refer to section 6.2.2.)
Set the run command. (Refer to section 6.22.1).
Test run
Set the motor capacity (kW) in Pr. 80 "Motor capacity" and set the
number of motor poles (number of poles) in Pr. 81 "Number of motor
poles".
(V/f control is performed when the setting is "9999" (initial value).
Select the start command and speed command.
1) Start command
– Operation panel: Setting by pressing FWD/REV of the operation
panel
– External command: Setting by forward rotation or reverse rotation
command (terminal STF or STR)
2) Speed command
– Operation panel: Setting by pressing the digital dial of the operation
panel
– External analog command (terminal 2 or 4) :
Give a speed command using the analog signal input to terminal 2
(or terminal 4).
– Multi-speed command:
The external signals (RH, RM, RL) may also be used to give speed
command.
앫
Select online auto tuning as required. (Pr. 95) (Refer to page 6-89.)
앫
Select easy gain tuning as required. (Refer to section 6.12.4.)
앫
Select manual input speed control gain adjustment as required. (Refer to page 6-92.)
Perform secure wiring.
(Refer to section 3.2)
Select a control method. (Refer to section 6.2.2.)
Make speed control valid by selecting "10" (speed control) or "12"
(speed-torque switchover) for Pr. 800.
Set the torque limit. (Pr. 810)
(Refer to section 6.3.2.)
Perform offline auto tuning. (Pr. 96)
(Refer to section 6.12.3.)
Set "3" (standard motor) or "13" (constant-torque motor) in Pr. 71
"Applied motor".