KDA 2.1-050-3-DPD-U1
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The KDA 2.1-050-3-DPD-U1 is a single-axis spindle drive featuring a rated current of 50 A and air-cooled operation. Designed by Bosch Rexroth Indramat within the KDA Spindle Drives series, it supports mains voltage of 3 x 380–480 V AC. With SERCOS bus connection, it provides resolver and encoder feedback capabilities.
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Product Description:
The KDA 2.1-050-3-DPD-U1 is a spindle drive that accommodates a digital 16-bit parallel speed command value to guarantee high-speed and accurate signal processing. This drive is rated for a current of 50 A to serve high-performance applications involving a constant and continuous supply of current, and it is made by Bosch Rexroth Indramat.
The auxiliary interface of this spindle drive further accepts the digital 16-bit parallel position command value for synchronized and trustworthy data transfer between the drive and control system. For environmental protection purposes, this spindle drive is classified under electrical protection class IP10, according to DIN 40 050, appropriate for enclosed, clean installations free from dust and moisture exposure. This drive employs forced cooling through a heatsink blower for thermal management under high-load conditions. The blower of the KDA 2.1-050-3-DPD-U1 drive is driven by an AC power source of 115V and 50–60 Hz for steady airflow and operational stability, and such forced air cooling keeps temperatures in safe ranges. The environmental tolerances of this drive comprise an operating temperature range between +5 °C and +45 °C in ambient conditions, to maintain uniform performance in typical environments.
For humidity management, the KDA 2.1-050-3-DPD-U1 spindle drive is rated classification F according to DIN 40 040 and is thus ideal for controlled environments with moderate humidity. The DC bus voltage of this drive is 300 V, and this supplies enough power to carry out heavy spindle movements. This spindle drive has a -30 to +85 degree centigrade range of temperature that will be valid in storage or shipping conditions, and it is therefore more adaptable to supply chain and warehouse conditions. This drive has an auxiliary encoder input which can be fed by the spindle motor or a second motor to facilitate closed-loop feedback and coordinated multi-axis operation.
Frequently Asked Questions about KDA 2.1-050-3-DPD-U1:
Q: How does the 16-bit digital speed command benefit precision control?
A: It allows fine resolution input for speed regulation, minimizing deviation in spindle speed. This leads to smoother and more accurate motion output.
Q: Why is a 115V/50-60Hz AC source used for the heatsink blower in KDA 2.1-050-3-DPD-U1?
A: This standard supply ensures reliable cooling in varied industrial environments. It supports the blower system for consistent thermal regulation.
Q: What is the advantage of having a separate encoder input in KDA 2.1-050-3-DPD-U1?
A: It enables simultaneous feedback from a spindle and a second motor. This enhances closed-loop control in synchronized multi-axis applications.
Q: How does DIN 40 040 humidity classification F impact operational reliability?
A: It ensures the drive can function without failure under defined humidity ranges. This supports longer operational life in typical indoor environments.
Q: Why is forced air cooling with a heatsink blower used instead of passive cooling?
A: It maintains the drive's internal temperature even under heavy loads. This allows safe operation during extended runtime and high current draw.
