KDA 3.1-100-3-DYS-U1

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The Bosch Rexroth Indramat KDA 3.1-100-3-DYS-U1, part of the KDA Spindle Drives series, is a dynamic spindle drive designed for panel mounting. It features a rated current of 100 Amps, operates on a 24 V DC control voltage, and weighs approximately 12 kilograms with a protection class of IP20.

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Product Description:

The KDA 3.1-100-3-DYS-U1 is an AC main spindle drive made by Rexroth Indramat. The spindle drive operates with an analog speed command value of +/-10 V and is suitable for industrial automation applications that demand precision drive control.

The KDA 3.1-100-3-DYS-U1 main spindle drive includes an auxiliary encoder input, which allows for both auxiliary and synchronous inputs. The spindle drive has a rated current capacity of 1x10 2 A and the spindle drive is classified as Series 3. The spindle drive is equipped with an auxiliary interface that is capable of receiving digital signals in a 16-bit parallel format that are classified as position command values. The drive's heatsink blower is powered by an alternating current (AC) supply at 115 V at a frequency of 50-60 Hz. In order to provide effective thermal management while the system is operating under load, the cooling is achieved by the utilization of forced cooling through the heatsink blower. A temperature range of +5°C to +45°C is available for the drive to perform under ambient conditions. The spindle drive has a 300 V of DC bus voltage. The maximum installation elevation is 1,000 meters above sea level, ensuring consistent performance within the stated limits.

The KDA 3.1-100-3-DYS-U1 spindle drive has a design structure that ensures effective protection category IP 10 in accordance with DIN 40 050. In order to maintain its functionality, it is able to resist an ambient temperature of up to +55 degrees Celsius. Therefore, the average relative humidity during the month with the highest humidity should not be higher than 70 percent in order to guarantee reliable operation. The main spindle drive is designed to maintain consistent performance levels.

Control Voltage
24 V DC
Cooling Method
Natural Air Cooling
DC Bus Voltage
300 V
Dimensions (hxwxd)
480 mm x 240 mm x 180 mm
Frequency
50/60 Hz
Mounting Style
Panel Mount
Number Of Phases
3
Operating Temperature
-10 °C to +40 °C
Protection Class
IP20
Rated Current
100 A
Rated Current
100 A
Speed Command Value
Analog +/-10 V
Type
DYS (Dynamic)
Voltage Class
U1
Weight
Approx. 12 kg
  • KDA 311003DYSU1

Frequently Asked Questions about KDA 3.1-100-3-DYS-U1:

Q: Why does KDA 3.1-100-3-DYS-U1 include auxiliary encoder input?

A: The auxiliary encoder input supports synchronous signal transmission that enables precise speed feedback. It provides compatibility for applications that require high accuracy in spindle control operations.

Q: Does KDA 3.1-100-3-DYS-U1 allow digital position command value?

A: Yes, the auxiliary interface supports digital 16-bit parallel command values. This interface provides reliable data transfer that enhances positioning accuracy and integration in automation systems.

Q: Why does KDA 3.1-100-3-DYS-U1 have an IP 10 protection category?

A: The IP 10 rating protects against solid objects larger than 50 mm. This ensures reliable drive function in environments where physical interference may otherwise occur.

Q: How do ambient temperature ranges affect KDA 3.1-100-3-DYS-U1?

A: The defined range of +5°C to +45°C supports stable operations. The unit tolerates peak conditions up to +55°C without compromising performance reliability and efficiency.

Q: Do installation elevations impact KDA 3.1-100-3-DYS-U1 operation?

A: The product is designed for a maximum elevation of 1,000 meters. This limitation ensures consistent electrical and cooling performance without affecting rated current and voltage operation.


Internal Product Review

  • ‘‘The Bosch Rexroth Indramat KDA 3.1-100-3-DYS-U1 drive ensures stable performance through forced cooling and a peak ambient temperature capacity of +55°C. The product supports an analog +/-10V speed command and an auxiliary encoder input. It provides reliable operation with a 115V blower supply and IP 10 protection.’’

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