KDA 2.1-100-3-LPS-U1

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The KDA 2.1-100-3-LPS-U1 spindle drive delivers a maximum output current of 100 amperes, supports incremental encoder and resolver feedback, and operates within a 0°C to 45°C temperature range. Designed for the KDA Spindle Drives series from Bosch Rexroth Indramat, it includes IP20 protection and utilizes a liquid plate cooling system.

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Product Description:

The Bosch Rexroth Indramat's KDA Spindle Drives series includes the KDA 2.1-100-3-LPS-U1 which is a high-performance spindle drive. It provides precise and dependable control in demanding industrial applications. This unit is designed to meet a wide range of machining requirements, providing smooth integration and powerful performance for CNC systems.

The KDA 2.1-100-3-LPS-U1 revolutionizes spindle drives with its cutting-edge design. It has a rated DC bus voltage of 300V, ensuring efficient power delivery for high-demand operations. Its rated current is 100A and it can support a continuous current of 70A, ensuring dependable and sustained operation even under large loads. The unit can work efficiently with a 24V load voltage of 1.4A and a ±15V measurement voltage of 160mA that makes it extremely adaptable to different system needs. A forced cooling system with a heatsink blower manages integrated thermal dissipation. This assures peak performance by controlling internal and exterior heat emissions, which vary with workload and motor output. It has numerous interface possibilities. The device supports speed command inputs via ±10V analog, 16-bit parallel digital signals, or the high-performance SERCOS interface, ensuring compatibility with many CNC systems. The unit can also be installed in DIN-compliant control enclosures and sealed housings. It also has auxiliary encoder inputs, which can be used for spindle or second motor feedback, as well as an auxiliary interface for position commands, incremental encoder output, and serial interface (RS232C).

The KDA 2.1-100-3-LPS-U1 is designed to function at temperatures ranging from +5°C to +45°C with a maximum temperature of 55°C, making it suited for a variety of environments. It can endure travel and storage temperatures ranging from -30°C to +85°C. The unit is IP10 rated, which means it is protected from large items (larger than 50mm) in its operational environment. With a weight distribution of 17.1 kg for the drive, 1.7 kg for the mechanical mounting kit, and 4.2 kg for the blower unit, it is easy to integrate into confined areas. The drive is programmable with the AS3 programming module which allows for machine-specific customization for accurate positioning and synchronization.

Communication Interface
RS232/RS485 serial interface
Control Type
Digital position, velocity, and current control
Cooling Method
LPS (liquid plate cooled system)
Feedback Options
Incremental encoder and resolver supported
Input Voltage
380...480 V AC three-phase
Maximum Output Current
100 A (Amperes)
Motor Compatibility
Brushless servo motors
Mounting Type
Panel mount
Number Of Axes
3
Operating Temperature Range
0°C to 45°C
Protection Class
IP20
Regeneration Resistor
Integrated
Type
KDA series digital servo drive
Voltage Class
2.1 (corresponds to nominal DC bus voltage 300V)
  • KDA 211003LPSU1

Frequently Asked Questions about KDA 2.1-100-3-LPS-U1:

Q: How does the 300V DC bus voltage of the KDA 2.1-100-3-LPS-U1 impact its performance?

A: The 300V DC bus voltage allows the spindle drive to deliver high power output while maintaining stable performance. This enables reliable operation in demanding industrial machining tasks.

Q: Why is the KDA 2.1-100-3-LPS-U1 designed to operate in a temperature range of +5°C to +45°C?

A: This temperature range ensures that the spindle drive can function efficiently under typical industrial conditions. It helps maintain consistent motor control and performance in environments with varying temperatures.

Q: What role does the auxiliary encoder input play in the KDA 2.1-100-3-LPS-U1?

A: The auxiliary encoder input provides additional feedback for spindle or second motor synchronization. This improves positioning accuracy and system reliability for high-precision tasks.

Q: Why is the KDA 2.1-100-3-LPS-U1 equipped with multiple interface options like SERCOS and analog speed inputs?

A: Multiple interface options ensure compatibility with a wide range of CNC controllers and systems. This flexibility allows the drive to integrate seamlessly into various industrial automation setups.

Q: How does the IP10 protection rating in the KDA 2.1-100-3-LPS-U1 contribute to its reliability?

A: The IP10 rating protects the unit from large objects greater than 50mm, ensuring its durability in industrial environments. This feature increases the lifespan of the drive by preventing damage from dust and debris.


Internal Product Review

  • ‘‘The KDA 2.1-100-3-LPS-U1 is a high-performance spindle drive designed for precise control. It features a 300V DC bus voltage, 100A rated current, and a forced cooling system for efficient thermal dissipation. Used in CNC machining, it ensures precise motor control in industrial applications requiring high power and reliability.’’

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