KDA 2.1-150-3-DYD-W1
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The Bosch Rexroth Indramat KDA 2.1-150-3-DYD-W1, part of the KDA Spindle Drives series, is a digital axis controller with forced air cooling and a rated output current of 150A. It operates on a 3-phase, 380-480V AC input, offers field-oriented control, and supports both induction and synchronous motors.
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Product Description:
The KDA 2.1-150-3-DYD-W1 spans the Digital Axis Controller line developed by Bosch Rexroth Indramat. Part of the top-rated KDA Spindle Drives series, it handles a rated output current of 150 A which delivers robust drive capacity for high‑torque applications. It accepts a 3‑phase, 380‑480 V AC input voltage that supports compatibility with standard industrial power networks. The field oriented control technology appears as its control type of choice which maximizes dynamic response in demanding motion profiles.
The module’s rated power of 21 kVA ensures ample energy delivery for sustained spindle operation under heavy loads. This controller accommodates both induction and synchronous motors with tailored drive algorithms that enhances torque consistency. The device uses communication medium over CAN and RS232/RS485 interfaces which simplify integration into modern automation buses. Feedback supported options include resolver, encoder inputs for real‑time shaft position monitoring, thus it refines motion accuracy. The forced air cooling mechanism maintains safe operating temperatures under continuous use while an IP20 protection class rating safeguards internal electronics against dust ingress.
Operational limits span an operating temperature range of 0°C to +45°C which suits climate‑controlled machine environments. The unit’s screw‑terminal cable connection system secures power and signal lines with reliable clamp‑down strength. The addition of panel mount installation eases retrofit into control cabinets and guarantees stable mechanical support. The unit weighs approx. 18 kg and that facilitates easy handling during maintenance. Furthermore, it can be used in CNC machining centers, lathes and modern automation solutions that demand tight spindle regulation. It also provides a DC bus voltage of 300 V for stabilizing the internal supply rail and consistent torque output. The motor delivers a speed control resolution as fine as 0.0005 rpm which enables ultra‑precise spindle orientation.
Frequently Asked Questions about KDA 2.1-150-3-DYD-W1:
Q: What input voltage range does the KDA 2.1-150-3-DYD-W1 accept?
A: Its input spans three‑phase 380–480 V AC to integrate seamlessly with common industrial mains supplies. This voltage flexibility eliminates the need for voltage converters and simplifies system design.
Q: What is the rated power capacity of the KDA 2.1-150-3-DYD-W1?
A: It offers a rated power of 21 kVA to deliver sustained energy throughput during heavy spindle loads. This power headroom supports continuous high‑speed operation without derating under full load.
Q: Which control method does the KDA 2.1-150-3-DYD-W1 implement?
A: The drive uses field oriented control to decouple torque and flux control for superior dynamic response. This control scheme optimizes torque delivery and reduces ripple under variable speed conditions.
Q: What motor types can the KDA 2.1-150-3-DYD-W1 support?
A: It supports both induction and synchronous motors with dedicated drive algorithms for each motor topology. This versatility expands its applicability across a range of spindle motor installations.
Q: How does the KDA 2.1-150-3-DYD-W1 spindle drive handle communication with CNC controllers?
A: The module offers CAN and RS232/RS485 interfaces for bi‑directional data exchange. These protocols ensure reliable command transmission and diagnostic feedback in networked automation systems.
