KDA 2.1-150-3-APD-W1-220
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MPN: R911228561
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The KDA 2.1-150-3-APD-W1-220 spindle drive is manufactured by Bosch Rexroth Indramat. As part of the KDA Spindle Drives series, it offers a rated power of 2.1 kW and a rated current of 150 A. The drive operates at 1500 RPM with a duty cycle of S1 for continuous performance and features an IP54 protection class.
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Product Description:
The KDA 2.1-150-3-APD-W1-220 is a Bosch Indramat spindle drive designed for industrial automation. It offers a continuous output current rating of 150 A and supports CNC spindle operations including precise C-axis positioning. This drive is built for vertical mounting, with grounding studs positioned on top and it requires installation in a sealed control cabinet due to its protection rating of IP10.
The KDA 2.1-150-3-APD-W1-220 control drive uses an analog ±10V speed command input through the X4 connector and it features an auxiliary encoder input for second motor feedback as well. A serial RS-232 interface is available on its X6 point for parameter configuration and it provides a digital 16-bit parallel position command interface on X6. Its internal control supply provides ±15 V at 160 mA and +24 V at 1.6 A. This KDA 2.1 drive is compatible with 2AD asynchronous and 1MB frameless spindle motors. It manages heat dissipation through an external heatsink and blower system, mounted on the enclosure’s rear side. The blower operates on 220V AC with 50/60Hz supply frequency. The drive runs on a DC bus voltage of 300V DC and it offers proper cabling along with RF filters to ensure EMC compliance in installations. Power connections for the motor uses terminals A1, A2 and A3 while DC bus input connections are made via L+ and L- terminals. Standard 24V logic I/O is accessible through its X2 connector.
The KDA 2.1-150-3-APD-W1-220 control drive can be installed at elevations up to 1000 m above sea level for reliable operation and it favors an ambient operating temperature range from +5°C to +45°C, while its maximum operating temperature can reach +55°C with performance derating. It uses AS module located on the front for programming and parameter storage.
Frequently Asked Questions about KDA 2.1-150-3-APD-W1-220:
Q: How does the auxiliary encoder input benefit the KDA 2.1-150-3-APD-W1-220?
A: It allows secondary feedback for applications requiring high-precision motion or dual-loop control, improving accuracy in demanding CNC tasks.
Q: Why is a ±10V analog speed command used in this drive?
A: The ±10V analog input enables real-time speed control from the CNC system, allowing smooth analog modulation and compatibility with legacy controllers.
Q: What role does the external blower system play in KDA 2.1-150-3-APD-W1-220?
A: It actively cools the rear-mounted heatsink, ensuring stable thermal performance during high-duty spindle operations.
Q: What advantage does the 16-bit parallel position command interface provide?
A: It supports high-resolution position updates, reducing communication latency in fast-positioning applications such as robotic arms or high-speed CNC spindles.
Q: What’s the function of the AS module in KDA 2.1-150-3-APD-W1-220?
A: It stores all parameter settings and program logic, allowing quick replacement or reprogramming without needing external reconfiguration.
