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Control Mode Setting - Mitsubishi Electric FR-A5AP Instruction Manual

Transistorized inverter.
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ENCODER FEEDBACK CONTROL—A500(L)

4.6 Control Mode Setting

By setting the Pr. 370 "control mode selection" value, you can choose any of encoder feedback control (V/
F control, advanced magnetic flux vector control) and vector control.
Torque control and position control are not performed. (However, torque limit can be done in the vector
control mode.)
When holding torque is required during a stop, choose vector control (zero speed control or servo lock).
Control Mode
V/F control
Encoder
feedback
Advanced
control
magnetic flux
vector control
(*1)
Vector control
(Pr. 370 factory setting: 0, Pr. 367 factory setting: 9999)
*1 When a speed control range of 1:1000 is required, choose vector control.
If vector control has been chosen, torque control and position control are not performed. The frequency response of
vector control is 10 to 20rad/s.
*2 When Pr. 80 and Pr. 81 = "9999", encoder feedback control (V/F control) is valid if "1" or "2" is set in Pr. 370.
REMARKS
The X18 (RT) signal may be used to select between encoder feedback control + V/F control, encoder feedback
control + advanced magnetic flux vector control and vector control during a stop only. Refer to the inverter manual for
details of the X18 (RT) signal.
Motor
Standard motor with
encoder (same capacity)
Standard motor with
encoder (same capacity)
Standard motor with
encoder (same capacity)
Pr. 80,
Pr. 370
Pr. 81
Setting
Setting
0 (1,2)
9999
(*2)
Other than
0
9999
Other than
1
9999
Other than
2
9999
40
Zero
Pr. 367
Servo
Speed
Setting
Lock
Control
Other than
9999
×
×
Other than
9999
×
"
×
"
Torque
Limit
×
"
"

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