EQ7 Series Instruction Manual - TECO-Westinghouse Motor Company

• 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
V/f
w/o PG
Control target (H18)
Speed
(Frequency for V/f)
Drive control (F42)
V/f control
Dynamic torque control
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
4-2