KDA 2.1-100-3-DPI-W1
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The Bosch Rexroth Indramat KDA 2.1-100-3-DPI-W1 is a servo drive controller from the KDA Spindle Drives series, featuring digital position interface control (DPI). It operates with 100 Amps of rated current, an input voltage range of 3 x 230/400 V AC, and uses internal fan cooling. The unit weighs approximately 8 kg.
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Product Description:
The KDA 2.1-100-3-DPI-W1 Main Spindle Drive is designed for vertical mounting applications. This drive is built by Bosch Indramat that delivers precise spindle control for demanding machining operations. The unit operates on a voltage of 300 volts DC. The rated current capacity is 100 A, with continuous operation around 70 A.
The forced air cooling of the KDA 2.1-100-3-DPI-W1 spindle drive is provided through a heatsink blower model LE4-220V. Heat is discharged externally to maintain cabinet stability. A mechanical mounting kit, M1-KD, and a blower unit are required for correct installation. The control supply is separated across two lines. The drive draws about 1.4 A from the +24 volt load circuit. It consumes approximately 160 mA from the ±15 volt measuring line. The mass of the KDA 2.1-100-3-DPI-W1 spindle drive is 17.1 kg. The additional blower unit weighs 4.2 kg. The mounting kit adds 1.7 kilograms. These combined components secure installation strength and consistent performance. The spindle drive must be installed vertically. Grounding bolts are located on the top section for safe connection and system protection. The operating environment is clearly specified. The drive works between +5 and +45 °C under normal conditions. The operation can extend to +55 °C with derating applied. Storage is supported between -30 and +85 °C.
The installation altitude of the KDA 2.1-100-3-DPI-W1 spindle drive is acceptable up to 1000 meters without derating. Relative humidity up to 70 % is allowed in non-condensing environments. The unit holds an IP10 protection rating based on DIN 40 050 requirements. The spindle drive includes multiple communication and input connections. Speed command input is digital parallel 16-bit through connector X4. Motor feedback is received on connector X3. The NC interface is provided at connector X2 with 37-pin support for analog and digital signals.
Frequently Asked Questions about KDA 2.1-100-3-DPI-W1:
Q: How does the KDA 2.1-100-3-DPI-W1 spindle drive manage heat?
A: The KDA 2.1-100-3-DPI-W1 spindle drive exhausts heat externally via heatsink ventilation. This protects cabinet electronics from localized thermal buildup during operation.
Q: What installation hardware is used with KDA 2.1-100-3-DPI-W1?
A: The KDA 2.1-100-3-DPI-W1 spindle drive requires an M1-KD kit and blower. These components secure structural support and airflow for consistent spindle response.
Q: Which control inputs are supported by KDA 2.1-100-3-DPI-W1?
A: The KDA 2.1-100-3-DPI-W1 spindle drive supports a 16-bit digital speed command at X4. This enables precise velocity control through high-resolution digital signals.
Q: How is feedback integrated into the KDA 2.1-100-3-DPI-W1 spindle drive?
A: Motor position signals for the KDA 2.1-100-3-DPI-W1 spindle drive connect via X3. This closed-loop feedback ensures accurate spindle synchronization in machining cycles.
Q: What NC interface applies to the KDA 2.1-100-3-DPI-W1 drive?
A: The KDA 2.1-100-3-DPI-W1 spindle drive links with controller signals through X2. This 37-pin interface handles analog and digital I/O for motion control systems.
