Mxc Control Methods; Control Methods And Features - YASKAWA CIMR-ACA4011 Instruction Manual

MxC Control Methods

Details of the MxC control methods and their features are provided in this section.

Control Methods and Features

The MxC offers three control methods, allowing the selection of a control method to suit the required purpose.
Table 10.1 provides an overview of the control methods and their features.
Control Method
Parameter Setting
Basic Control
Main Applications
PG Speed Control Card
(Option)
Speed Control
*1
Range
Speed Control
Accuracy
Basic Speed
Perfor-
Response
mance
Maximum
Output
Frequency
Starting
*4
Torque
Auto-Tuning
Torque
Appli-
Limiting
cation
Func-
Torque
tions
*6
Control
Droop
*7
Control
Zero-Servo
*8
Control
-2
10
Table 10.1 Overview of Control Methods and Features
V/f Control
A1-02 = 0
Voltage/frequency fixed ratio
control
Variable speed control
Not required.
1:10
±2 to 3%
*2
-
*3
120 Hz
150%/6 Hz
Line-to-line resistance
(normally not required)
No
*5
No
No
No
Open Loop Vector Control
A1-02 = 2
(default)
Current vector control without a
PG
Variable speed control
Not required.
1:10
±0.2%
5 Hz
120 Hz
150%/6 Hz
Rotational Auto-Tuning, Sta-
tionary Auto-Tuning, Stationary
Auto-Tuning for line-to-line
resistance only
Yes (except during accel/decel,
below minimum frequency, or
during reverse rotation)
No
No
No
Flux Vector Control
A1-02 = 3
Current vector control with a PG
High-performance control with
a PG on the motor side
Required
1:1000
±0.05%
30 Hz
120 Hz
−1
150%/0 min
Rotational Auto-Tuning, Sta-
tionary Auto-Tuning, Stationary
Auto-Tuning for line-to-line
resistance only
Yes
Yes
−1
Yes (except for 0 min and dur-
ing reverse rotation)
Yes