KDA 2.1-100-3-DYS-U1
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The Bosch Rexroth Indramat KDA 2.1-100-3-DYS-U1, part of the KDA Spindle Drives Series, features digital control and panel mounting. It operates with a current rating of 100A, input voltage of 230/460V AC nominal, and air cooling. The drive is IP20 rated, has a DYS feedback type, and weighs approximately 7.5 kg.
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Product Description:
The model KDA 2.1-100-3-DYS-U1 is a precision main spindle drive from Rexroth Indramat. It ensures stable control for main spindle applications. The unit provides high current output and reliable thermal management. It is compact, durable and optimized for industrial control enclosures.
The KDA 2.1-100-3-DYS-U1 main spindle drive operates with a DC bus voltage of 300 V. It delivers a continuous current of 70 A that supports demanding spindle loads. The control voltage requirement is + 24 V at 1.4 A. This ensures stable logic control. The speed command value is processed digitally through a 16 bit parallel interface for accurate control. The unit includes an auxiliary encoder input that supports synchronous inputs through AS 35 that enables precise spindle synchronization when required. The communication is facilitated by an RS 232 C serial interface. This allows flexible connection and integration with external systems. The unit weighs 17.1 kg which ensures mechanical stability during installation. This KDA series main spindle drive has a protection rating of IP 10 that offers basic protection in controlled environments. The spindle drive’s workload dependent heat behavior means that enclosure or blower sizing should be based on spindle motor output.
The KDA 2.1-100-3-DYS-U1 spindle drive is designed for installation in environments with elevations of up to 3280 feet MSL. At this altitude, the unit maintains full performance capacity without any derating of output or compromise in operational efficiency. The heat dissipation is handled through air vents and a rear mounted heatsink that ensures most heat is conducted outside the control enclosure. The internal heat loss and external heat emission depend on spindle motor load and heat output is proportional to continuous spindle output.
Frequently Asked Questions about KDA 2.1-100-3-DYS-U1:
Q: How does the KDA 2.1-100-3-DYS-U1 manage accurate spindle speed control in closed-loop CNC systems?
A: It processes the speed command digitally via a 16-bit parallel interface. This ensures precise regulation of spindle dynamics under varying process loads.
Q: What should be considered for thermal management when using the KDA 2.1-100-3-DYS-U1 in enclosed cabinets?
A: Heat dissipation is handled through rear-mounted heatsinks and vented airflow. Sizing of blowers or enclosures should match spindle motor output and duty cycle.
Q: Can the KDA 2.1-100-3-DYS-U1 synchronize multiple spindles in automation systems?
A: Yes, it includes an auxiliary encoder input compatible with AS 35 signals. This allows tight spindle synchronization during multi-axis operations or coordinated tasks.
Q: What control voltage behavior supports the logic system of the KDA 2.1-100-3-DYS-U1 during continuous operation?
A: It runs on a +24 V supply at 1.4 A, delivering stable logic control. This ensures uninterrupted performance even under high spindle current output.
Q: How does the KDA 2.1-100-3-DYS-U1 support integration into industrial automation environments?
A: It features an RS 232 C serial interface for external communication. This simplifies system configuration and allows seamless connection with machine control platforms.
