1.2 Control System
1-16
1.2.2 Motor drive controls
The FRENIC-MEGA supports the following motor drive controls.
Table 1.2-1
Motor drive controls
Basic
control
Speed
feedback
Drive
control
class
Speed control
Other
restrictions
V/f control with slip
compensation inactive
Frequency
control
―
Dynamic torque
vector control
―
Frequency control with slip
compensation
Disable V/f
Frequency
control with slip
compensation
―
V/f control with speed
sensor
*
Dynamic torque
vector control
with speed sensor
*
V/f
control
Enabled PG V/f
Frequency
control with
automatic
speed regulator
(ASR)
Maximum
frequency:
200 Hz
Vector control without
speed sensor
Estimated
speed
w/o PG
Maximum
frequency:
120 Hz
Not available for
MD-mode
inverters.
Vector control
with speed sensor
*
Vector
control
Enabled w/ PG
Speed control
with automatic
speed regulator
(ASR)
Maximum
frequency:
200 Hz
Note that the controls marked with an asterisk
(*)
require an optional PG (Pulse Generator) interface card.
For the features of the controls, refer to Chapter 10, Section 10.4.1 "Features of motor drive
controls."