
4-2
Drive control
The EQ7 runs under any of the following drive controls. Some function codes apply exclusively to the specific drive control, which is
indicated by letters Y (Applicable) and N (Not applicable) in the "Drive control" column in the function code tables given on the following
pages.
Abbreviation in "Drive control"
column in function code tables
Control target (H18)
Drive control (F42)
V/f
Speed
(Frequency for V/f)
V/f control
Dynamic torque control
w/o PG
Vector control without speed sensor
w/ PG
Vector control with speed sensor
Torque control
Torque
Vector control with/without speed sensor
For details about the drive control, refer to "Function code F42 (Drive Control Selection 1)."
The EQ7 is a general-purpose inverter whose operation is customized by frequency-basis function codes, like
conventional inverters. Under the speed-basis drive control, however, the control target is a motor speed, not a
frequency, so convert the frequency to the motor speed according to the following expression.
Motor speed (r/min) = 120
Frequency (Hz)
Number of poles
Содержание EQ7 Series
Страница 1: ......
Страница 29: ...2 6 Unit inch mm Refer to Section 2 3 3 9 ...
Страница 94: ...4 25 Table B Motor Parameters Continued Three phase 460 V series EQ7 4_ _ _ C ...
Страница 152: ...4 83 Examples of Sequence Circuits 1 Standard sequence 2 Sequence with an emergency switching function ...