KDA 3.1-100-3-AYS-W1
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The KDA 3.1-100-3-AYS-W1 spindle drive has a rated output current of 100 A and supports three axes. Manufactured by Bosch Rexroth Indramat as part of the KDA Spindle Drives series, it operates with a mains voltage supply of 3 x 380-480 VAC. The unit is air/water-cooled and features IP20 protection.
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Product Description:
The KDA 3.1-100-3-AYS-W1 Spindle Drive from Bosch Rexroth Indramat provides reliable three phase power compatibility and versatile communication via RS232C. It has a robust digital input handling features with a 16 bit parallel interface which makes it suitable for precise industrial applications within a controlled environment.
The KDA 3.1-100-3-AYS-W1 drive is kept at an acceptable operating temperature by a fan driven airflow that pushes heat away from its metal fins. It accepts regulating signals in the form of ±10 volt analog inputs. It includes a dedicated encoder that enables the use of position sensors such as resolvers or encoders for tracking its actual motion. It is able to provide 100 amperes of current on an ongoing basis without thermal stress or damage. It integrates a Sercos communication channel which is a digital real time network that coordinates interaction with automation systems and controllers. The inclusion of physical buttons helps change or fine tune parameters directly on the module. It is highly capable of handling demanding loads as it can supply 11 kilowatts of mechanical energy consistently. It features maximum instantaneous current of 100 amperes which suggests it can withstand and deliver its full rated current without exceeding it.
The availability of a built in braking module in this KDA 3.1-100-3-AYS-W1 drive allows the dissipation of produced energy safely during deceleration. The main supply level for its internal circuits is 300 volts DC bus voltage. It also includes an additional connector that processes velocity reference points. This module provides a terminal for grounding and includes a slot to insert a special module for programming and configuration tasks. It provides a connection point for an NTC sensor located in the motor to monitor thermal conditions and prevent overheating.
Frequently Asked Questions about KDA 3.1-100-3-AYS-W1:
Q: How does the KDA 3.1-100-3-AYS-W1 handle excess energy during deceleration?
A: It uses an integrated braking circuit that dissipates regenerated energy safely. This prevents DC bus overvoltage and protects connected components during rapid spindle slowdowns.
Q: Why is a 300V DC link important in this drive’s design?
A: A stable DC bus ensures consistent power delivery to the spindle. It also allows the drive to handle dynamic load changes without voltage dips.
Q: Does the RS232C port provide real-time monitoring?
A: Yes, it supports parameter readouts and diagnostic reporting in real time. This makes troubleshooting and configuration adjustments faster and more precise.
Q: What advantage does the ±10V analog input provide for control?
A: This input allows proportional control of spindle speed with high accuracy. It also ensures compatibility with many CNC controllers using standard analog signaling.
Q: Can the KDA 3.1-100-3-AYS-W1 be integrated into multi-axis CNC systems?
A: Yes, it communicates via a Sercos real-time interface for synchronized control. This enables seamless integration with multi-axis motion platforms in complex machining setups.
