KDA 2.1-050-3-DYD-W1
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The KDA 2.1-050-3-DYD-W1 digital servo drive supports resolver or encoder feedback, offers a rated output current of 50 amps, and features forced air cooling. Part of the KDA Spindle Drives series by Bosch Rexroth Indramat, it includes IP20 enclosure protection and supports SERCOS, analog, and digital I/O interfaces.
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Product Description:
The KDA 2.1-050-3-DYD-W1 is an Analog Spindle Drive from Bosch Rexroth Indramat KDA drive series. This spindle drive supports main spindle applications in industrial automation systems. Version 2.1 indicates the second generation, first release model. It delivers a rated continuous output current of 50 amperes. The drive accepts a 3-phase AC power supply.
The KDA 2.1-050-3-DYD-W1 spindle drive voltage ranges are 230 or 400 volts AC ±10 percent. This unit operates with external fan-based cooling support. A fan power source is designated by the code “W1” in the product. Cooling air must be externally forced through the fan system. A Cabinet-mounted vertical installation is required for proper airflow. The drive features an analog input control interface. It supports ±10 V analog signals for torque or speed input. The drive also supports master and slave drive configurations. The KDA 2.1-050-3-DYD-W1 spindle drive includes a built-in programmable ramp generator. Speed smoothing is configurable using internal parameter settings. An overload protection is achieved with thermal monitoring systems. An automatic cut-off activates during overtemperature conditions. The peak current limiting is handled through electronic regulation methods. A control voltage and feedback signals are monitored continuously. Diagnostic features include voltage monitoring and LED indicators.
The KDA 2.1-050-3-DYD-W1 spindle drive supports resolver feedback as a position interface. A C-axis functionality is available through resolver-based positioning input. This C-axis mode enables position control during spindle operation. A set point input is through ±10 V analog signal range. The analog control system allows direct torque and speed input. The supported motors include the 2AD series motor range. Compatible motor models include 2AD100, 2AD132, and 2AD160 units. The resolver interface also provides motor position information. Protection systems prevent faults caused by thermal or electrical stress.
Frequently Asked Questions about KDA 2.1-050-3-DYD-W1:
Q: What role does the internal 230V fan power source play in KDA 2.1-050-3-DYD-W1?
A: It powers the external cooling fan, maintaining airflow efficiency. This internal supply ensures uninterrupted fan operation during load cycles.
Q: Why is external fan cooling used in KDA 2.1-050-3-DYD-W1?
A: External fan cooling enhances heat dissipation under high load. This maintains operational reliability in thermally demanding environments.
Q: How do LED indicators support diagnostics in KDA 2.1-050-3-DYD-W1?
A: LED indicators provide immediate visual status of drive conditions. This simplifies troubleshooting and system monitoring.
Q: How does the programmable ramp generator enhance motion control in KDA 2.1-050-3-DYD-W1?
A: It allows smooth acceleration and deceleration, reducing mechanical stress. This feature ensures precise control of motion sequences in industrial systems.
Q: Why is electronic peak current limiting important in KDA 2.1-050-3-DYD-W1?
A: It prevents damage from current spikes during peak loads. This enhances the longevity and safety of the drive system.
