WEG CFW-11 Programming Manual page 121

The Vector Control with Encoder presents the same advantages of the sensorless control previously described,
with the following additional benefits:
 Torque and speed control down to 0 (zero) rpm.
 Speed control accuracy of 0.01 % (if the 14-bit analog speed reference via optional board IOA-01
is used, or if digital references are used, for instance via keypad (HMI), Profibus DP , DeviceNet, etc.).
The vector control with encoder needs the accessory for the incremental encoder interface ENC-01 or ENC-02.
For more details on the installation and connection, refer to the optional board manual.
Vector Control
11
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