Siemens 6SE6420-2UD22-2BA1

Siemens 6SE6420-2UD22-2BA1 Frequency Inverter

The Siemens 6SE6420-2UD22-2BA1 is a part of the MICROMASTER 420 series of frequency inverters. This series is known for its flexibility, ease of use, and energy-efficient operation. The inverter is designed for controlling the speed and torque of three-phase AC motors in a variety of industrial applications such as pumps, fans, and conveyor systems.

Specifications

• Control Modes:
  • V/F (Volts per Frequency) Control
  • Sensorless Vector Control
• Overload Capability:
  • 150% of rated current for 60 seconds
• Protection Rating: IP20 (open type)
• Ambient Conditions:
  • Operating Temperature: -10°C to 50°C
  • Storage Temperature: -40°C to 70°C
• Display: Integrated LED for basic operation and diagnostics
• Communication: Compatible with optional PROFIBUS and Modbus modules

Features

1. Versatile Motor Control: Supports both V/F and sensorless vector control modes for various motor applications.
2. Energy Efficiency: Optimizes energy consumption, particularly in variable-load applications like pumps and fans.
3. Compact Design: Space-saving form factor for easy installation in control panels.
4. Customizable Parameters: Offers a range of programmable settings to suit different operational needs.
5. Built-In Protection: Includes features to prevent overvoltage, undervoltage, overcurrent, and thermal overload.
6. Simple Setup: User-friendly design with an integrated LED display for quick configuration and monitoring.
7. Expandability: Allows for integration with additional communication modules like PROFIBUS for advanced automation.

How It Works

The Siemens 6SE6420-2UD22-2BA1 operates by converting fixed-frequency AC input into variable-frequency AC output. This allows for precise speed and torque control of AC motors. The device uses V/F control for general-purpose applications and sensorless vector control for more dynamic performance requirements.

By regulating the motor’s frequency and voltage, the inverter ensures smooth acceleration, deceleration, and energy-efficient operation. Its built-in protection features safeguard the motor and the inverter itself, ensuring reliable and uninterrupted operation. This makes it ideal for use in industries requiring precise motor control and energy savings.