KDA 2.1-050-3-DPI-U1
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The KDA 2.1-050-3-DPI-U1 spindle drive features a continuous output current of 50 A and IP20 protection. Manufactured by Bosch Rexroth Indramat, it belongs to the KDA Spindle Drives series and operates with a 3-phase 230/400 VAC power supply. With air cooling, it supports resolver and encoder feedback and weighs 15 kg.
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Product Description:
The Bosch Rexroth Indramat’s KDA 2.1-050-3-DPI-U1 Spindle Drive uses a heatsink blower system, which incorporates forced cooling to ensure thermal efficiency. This system operates at a 50–60 Hz blower power input frequency to ensure compatibility with typical industrial power supplies.
This spindle drive has a nominal current of 50 A for stable torque and assured performance to make it best for stressful applications needing controlled and stable motor output. The KDA 2.1-050-3-DPI-U1 drive is also suited to operate at elevations up to 1000 meters above sea level, according to its maximum installation elevation specification. This drive's performance integrity is upheld with an ingress protection rating of IP10 in accordance with DIN 40 050, and it can be used within electrical enclosures with controlled environmental exposure. This spindle drive has digital control with a 16-bit digital parallel speed input format, which improves signal accuracy and enables precise motor command processing. This drive’s suitability to the environment is also specified in terms of relative humidity class F, according to DIN 40 040, so that it can be operated reliably in environments where humidity control is implemented.
This drive also comes equipped with an auxiliary encoder input that is supposed to receive feedback from a spindle or backup motor to provide more versatility in the multi-axis or coordinated use. An encoder-incremental-type output interface is also part of the KDA 2.1-050-3-DPI-U1 spindle drive, and it also offers motion feedback that is stable in the monitoring position, or speed. This drive has a DC link rating of 300 V to maintain the energy needs of servo or spindle motors installed on it, which ensures reliable power flow. The allowable ambient temperature range of this spindle drive is +5 to +45 °C, and it should, or can be, stored at an ambient temperature range of -30 to +85 °C.
Frequently Asked Questions about KDA 2.1-050-3-DPI-U1:
Q: Why does the KDA 2.1-050-3-DPI-U1 use a 16-bit digital parallel input format?
A: This format enables faster speed command processing and minimizes latency in control systems. It improves synchronization between the drive and controller during high-speed operations.
Q: How does the auxiliary encoder input improve system performance in the KDA 2.1-050-3-DPI-U1?
A: It allows secondary motor or spindle feedback integration for coordinated axis control. This enhances accuracy in multi-axis machining and robotic processes.
Q: Why is the IP10 ingress protection level sufficient for this drive?
A: IP10 is suitable for installations inside control cabinets where direct exposure is minimal. It protects the internal electronics from large solid objects like wiring or fingers.
Q: How does the incremental encoder output interface assist in motor control?
A: It provides continuous position and speed feedback to the controller. This feedback ensures precise loop control and immediate response to changes in load or speed.
Q: What’s the significance of the 300 V DC link voltage in the KDA 2.1-050-3-DPI-U1?
A: It provides stable energy transfer to the motor, reducing voltage fluctuations. This ensures consistent drive output during high-load cycles.
