KDA 2.1-050-3-L0S-W1
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The KDA 2.1-050-3-L0S-W1 is a single-axis spindle drive with a rated current of 50 A and cabinet mounting design. Manufactured by Bosch Rexroth Indramat as part of the KDA Spindle Drives, it supports a 3-phase input voltage of 230/400 V AC with a supply frequency of 50/60 Hz. This air-cooled drive weighs approximately 15 kg.
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Product Description:
The Bosch Rexroth produces KDA 2.1-050-3-L0S-W1 as a motor control drive, with an RS232C serial port for diagnostics and configuration. It maintains efficient cooling through the bottom-to-top airflow design and comes with a 220 VAC blower, that is integrated with the heatsink for consistent forced-air cooling. The drive possesses dimensions of 440 mm H x 155 mm W x 280 mm D.
The KDA 2.1-050-3-L0S-W1 control drive features a removable programming module for storing all essential drive parameters securely and its enclosure holds an IP10 rating to suit installation in a protected cabinet. Its power terminals include DC bus input marked as L+ and L-. The drive is compatible with 2AD asynchronous motors and 1MB frameless motors. It provides a continuous steady current of 50 A for AC loads and requires an external 300 VDC bus supply from KDV series modules. The KDA 2.1 control drive’s X1 connector supplies the 24 VDC logic bus signal for control and its X2 connector is available for CNC control input/outputs. It manages motor feedback using resolver or encoder signals via X3 terminal and motor outputs are provided through terminals T1, T2 and T3. This unit incorporates protection against overcurrent, overvoltage and overheating. It includes the X4 port that supports the SERCOS fiber optic interface and receives digital real-time speed commands through this SERCOS interface.
The KDA 2.1-050-3-L0S-W1 control drive is designed for vertical panel mounting within control cabinets. It draws 1.2 A at 24 VDC as control power and requires standard shielded cables for power and signal connections. This KDA 2.1 control drive supports applications like spindle orientation, threading and C-axis operations, while operate effectively up to an altitude of 3300 ft without derating.
Frequently Asked Questions about KDA 2.1-050-3-L0S-W1:
Q: Why does the KDA 2.1-050-3-L0S-W1 require an external 300 VDC bus supply?
A: The 300 VDC bus supply is required to power the drive effectively, ensuring the stability and efficiency of the motor control. It supports the power needs of the connected motors.
Q: How does the SERCOS interface enhance the KDA 2.1-050-3-L0S-W1's performance?
A: The SERCOS interface allows real-time digital speed command transmission, enhancing communication between the drive and CNC systems. This ensures faster, more precise control of motor operations.
Q: Why is a removable programming module included in the KDA 2.1-050-3-L0S-W1?
A: The removable programming module stores essential drive parameters securely, ensuring easy access and configuration changes. This feature simplifies system updates and maintenance.
Q: What is the significance of the X1 and X2 connectors on the KDA 2.1-050-3-L0S-W1?
A: The X1 connector provides the 24 VDC logic bus for control, while the X2 connector allows for CNC control inputs/outputs. These connectors offer flexible integration with control systems.
Q: What is the purpose of the DC bus input L+ and L- terminals?
A: The L+ and L- terminals on the KDA 2.1-050-3-L0S-W1 provide the connection points for the DC bus input. They are critical for the drive's power supply, enabling stable operation of the motor.
