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Increase input/output (I/O) capacity: able to connect more external control devices to VFD, including:
Sensors used for monitoring purposes (temperature, pressure).
The actuator (motor, valve) used for control.
Control buttons for manual operation (start/stop).
Communication interface extension: Provides additional communication ports, allowing VFD to connect to more devices or networks using protocols such as RS485 or Modbus. This enables communication with monitoring systems or other automation devices.
Specific feature enhancements: Some extension modules may meet specific functionalities, such as:
The additional encoder supports precise motor speed and position control.
Advanced security features can enhance the protection of critical applications.




