KDA 3.1-150-3-LPS-W1
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The KDA 3.1-150-3-LPS-W1 servo amplifier delivers a rated output current of 150 A, operates with an input voltage of 3x380-480 VAC, supports resolver feedback, and features forced air cooling. Part of the KDA Spindle Drives by Bosch Rexroth Indramat, it has a power rating of 75 kVA and an IP20 protection class.
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Product Description:
The Bosch Rexroth Indramat’s built KDA 3.1-150-3-LPS-W1 Spindle Drive offers a rated current capacity of 150 A to sustain high power spindle drive applications. This spindle drive comes with a +24V load voltage for stable compatibility with industrial automation and CNC control systems' electrical supply.
This drive draws 1.6 A of current for the control load to ensure efficient electric usage with accurate operational performance. With X2, 37-pin connection clamps for NC interface, this drive provides reliable and interference-proof signal communication. This drive’s onboard auxiliary encoder input supports either spindle feedback or second motor feedback for high-accuracy positioning and rotational speed control. The speed command value of the KDA 3.1-150-3-LPS-W1 spindle drive is communicated through an SERCOS interface, providing quick, precise, and standardized data transfer. The serial auxiliary interface for external devices, based on RS-232C, is available for configuration, monitoring, and diagnostic purposes. This spindle drive is capable of continuous operation in environments up to a peak ambient temperature of +55 °C to provide reliability for high-temperature conditions.
The KDA 3.1-150-3-LPS-W1 drive is capable of being stored safely within a temperature range from -30 °C to +85 °C and avoiding damage under transport or standstill conditions. The humidity classification F according to DIN 40 040 ensures this drive can perform optimally in conditions where regulated levels of moisture are essential. This spindle drive’s forced cooling system features a heatsink blower to ensure thermal balance even under heavy and extended operational stress. The 17.4 kg total weight demonstrates its industrial-level construction with manageable handling for maintenance or replacement. The weight of the mechanical accessory of this drive for mounting is 1.7 kg for easy installation without unnecessary strain on the mounting frame.
Frequently Asked Questions about KDA 3.1-150-3-LPS-W1:
Q: Why is an auxiliary encoder input important in the KDA 3.1-150-3-LPS-W1?
A: It enables accurate spindle or secondary motor feedback. This ensures precise positioning and speed control in high-accuracy machining.
Q: How does the forced cooling system in the KDA 3.1-150-3-LPS-W1 improve performance?
A: The forced cooling by a heatsink blower ensures consistent thermal regulation. This prevents overheating during continuous heavy-load spindle operations.
Q: What role does the RS-232C interface serve in this spindle drive?
A: It allows for external communication with diagnostic and configuration tools. This supports quick setup and troubleshooting in industrial environments.
Q: How does the SERCOS interface benefit the KDA 3.1-150-3-LPS-W1?
A: SERCOS enables high-speed and standardized data transfer. This ensures precise and reliable spindle speed control in automated systems.
Q: Why is the humidity classification F important for this spindle drive?
A: It defines the permissible moisture conditions for operation. This classification ensures durability in environments with controlled humidity levels.
