KDA 3.1-050-3-DQS-U1
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The KDA 3.1-050-3-DQS-U1 spindle drive features a rated current of 50 amps, operates on 380-480 V AC input voltage, supports frequencies of 50/60 Hz, and utilizes a forced air cooling method. Part of the KDA Spindle Drives from Bosch Rexroth Indramat, it includes a panel mount design for seamless integration.
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Product Description:
The KDA 3.1-050-3-DQS-U1 is a modular spindle drive from Indramat that is designed to operates with a 300V DC bus voltage and it provides a rated output current of 50 A. It supports a digital 16-bit parallel input and RS-232 serial interface for auxiliary input. This drive is compatible with both asynchronous motors and frame-less spindle motors.
The KDA 3.1-050-3-DQS-U1 drive operates at a continuous current of 35 A at the load and uses a blower fan system for cooling that operates on a 115 VAC source at 50/60 Hz frequency. Its blower is connected to an external heatsink for efficiently dissipating heat out of the unit at 30 Pa pressure and 32 l/second with an airspeed range of 3-4 m/s. The drive connects to feedback via a 15-pin motor feedback connection and it possess an auxiliary encoder input support for secondary system feedback as well via 1 VSS sinusoidal signal. It comes with a 16-pin motor power connection and an AS programming module that holds all drive-specific parameters to allow seamless transfer of settings from a defective unit to a new one if needed, to ensure minimal downtime. This KDA 3.1 drive has an ambient temperature range of +5°C to +45°C for nominal operation and its peak operating temperature reaches up to +55°C under reduced performance. It can be installed up to 1000 m above sea level without loss of performance.
The KDA 3.1-050-3-DQS-U1 drive supports vertical installation through its provided mechanical mounting kit and it weighs 16.5 kg, while its accessories alone possess a weight of 5.9 kg as well. It comes in a physical measurement of 150 mm W, 390 mm H and 160 mm D. The unit’s IP10 protection category only give protection against objects larger than 5 cm and it is not resistant to water or small objects.
Frequently Asked Questions about KDA 3.1-050-3-DQS-U1:
Q: How does the AS programming module in the KDA 3.1-050-3-DQS-U1 help in maintenance?
A: The AS module stores all drive-specific parameters, allowing seamless parameter transfer to a replacement unit. This reduces downtime significantly during drive replacement.
Q: Why is a blower cooling system preferred in the KDA 3.1-050-3-DQS-U1 drive?
A: The blower cooling system ensures consistent airflow across the heatsink, maintaining stable temperatures. This design supports continuous operation under high current loads.
Q: How does the 1 VSS sinusoidal encoder feedback improve performance in the KDA 3.1-050-3-DQS-U1?
A: It provides precise secondary feedback to enhance position accuracy. This is particularly beneficial in high-speed spindle applications.
Q: Why does the KDA 3.1 drive use a 15-pin motor feedback connection?
A: The 15-pin design ensures secure data transmission for motor feedback. It also supports reliable interfacing with different feedback devices.
Q: What advantage does vertical installation provide in the KDA 3.1-050-3-DQS-U1 drive?
A: Its vertical mounting improves natural convection airflow. It also allows compact integration within modular rack systems.
