KDA 2.1-050-3-AQD-U1
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The KDA 2.1-050-3-AQD-U1 spindle drive supports a rated current of 50 amps, includes 3 axes, and features blower-cooled operation. Part of the KDA Spindle Drives series by Bosch Rexroth Indramat, it offers IP10 enclosure protection and supports SERCOS communication interfaces for versatile connectivity.
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Product Description:
The Indramat produces KDA 2.1-050-3-AQD-U1 which is an industrial spindle drive with a continuous output current rating of 50 A. It operates on a 300 VDC of bus voltage supplied via a dedicated power terminal and supports a ±10 V analog speed command input for precise speed regulation. This unit incorporates a heatsink blower powered by a 115 VAC supply to provide forced-air cooling for thermal management.
The KDA 2.1-050-3-AQD-U1 drive drive includes an auxiliary encoder input that accepts 1 VPP of sinusoidal signals, for enhancing speed and position control in machine processes. It is configured for panel mounting within industrial control cabinets and is compatible with Indramat 2AD and 1MB spindle motors. This KDA 2.1 drive features three-phase motor output terminals on connector X12 and tachometer feedback via terminals T1 and T2. Its speed reference inputs are connected through interface X4, while general control signals are managed on X2. The encoder feedback from the primary motor is interfaced through connectors X3 and X5, while the auxiliary interface at X6 provides a 16-bit parallel digital position output and supports incremental encoder signals. The KDA 2.1 drive also includes RS-232 communication for parameter configuration and diagnostics. It is equipped with status LEDs for monitoring operational and fault states.
The KDA 2.1-050-3-AQD-U1 drive’s parameter transfer button on the front panel allows on-site configuration adjustments and it supports C-axis positioning, along with torque control functions that is critical for CNC milling, turning and grinding systems. It includes multi-range parameter block to adapt to various motor and gearbox configurations. The KDA 2.1 drive carries a high-voltage warning for the 300 VDC input and it requires a minimum discharge time of one minute before servicing. Proper electrical grounding and protective fusing is essential for its safe deployment.
Frequently Asked Questions about KDA 2.1-050-3-AQD-U1:
Q: How does the 1 VPP sinusoidal auxiliary encoder input of the KDA 2.1-050-3-AQD-U1 improve feedback accuracy?
A: The 1 VPP input ensures high-resolution feedback for precise speed and position control, making it ideal for high-precision applications. This enhances machining accuracy during complex tasks.
Q: Why is the forced-air cooling system with a 115 VAC blower necessary for the KDA 2.1-050-3-AQD-U1?
A: The forced-air cooling system ensures efficient thermal management during continuous operations, preventing overheating. This extends the lifespan of the drive in high-demand environments.
Q: What is the significance of the ±10 V analog speed command input in the KDA 2.1-050-3-AQD-U1?
A: The analog speed input allows for precise speed regulation by adjusting the speed in real-time. This is crucial for applications requiring tight control of motor performance.
Q: How does the 16-bit parallel digital position output benefit the KDA 2.1-050-3-AQD-U1 drive?
A: The 16-bit digital position output enhances precision by providing detailed position feedback, ideal for high-accuracy CNC applications. It supports incremental encoder signals for more refined control.
Q: How does the RS-232 communication interface support the KDA 2.1-050-3-AQD-U1?
A: The RS-232 interface allows for remote parameter configuration and diagnostics, simplifying setup and troubleshooting. It provides efficient communication between the drive and control systems.
