DMA 045A 4201-D Bosch Rexroth Indramat
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MPN: 1070085633
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The Bosch Rexroth Indramat DMA 045A 4201-D is a 3-phase servo drive module designed for synchronous and asynchronous motors, belonging to the DMA Servo Drive Modules series. It has a rated current of 23 Arms at 4 kHz and 15 Arms at 8 kHz, with a DC link voltage of 670 or 715 VDC. The module uses air cooling at the backplane and has a mass of 7.3 kg.
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Product Description:
The DMA 045A 4201-D is a servo drive module manufactured by Bosch Rexroth Indramat within the DMA Servo Drive Modules series. Serving as a three-phase power stage for synchronous and asynchronous motors, it converts energy from a shared DC link into regulated phase currents so axes in automated machinery can be positioned or speed controlled. The device slides onto a backplane alongside companion supply units, allowing integration into multi-axis racks used in packaging, printing, and material-handling lines. This rack-based arrangement keeps power conversion centralized and supports coordinated control across several machine axes.
During operation, the drive draws 1.32 A from the 24 V logic rail to support its control electronics, while its power section is supplied by a DC link rated at 670/715 VDC. With a 4 kHz switching frequency, the inverter sustains 23 Arms and can peak at 51 Arms; at 8 kHz, the continuous rating drops to 15 Arms with an overload ceiling of 44 Arms. Heat produced under these conditions is limited to a maximum loss of 220 W, which helps control internal temperature when cabinet airflow is provided. Setpoints reach the unit through an analog 16-bit interface, and motion feedback is accepted through a selectable encoder input that accommodates Gear, STG, or MTG signals. This combination gives the controller flexibility when matching the drive to different feedback devices and motion tasks.
The module is arranged for backplane mounting, and cooling air is guided along the rear panel by a backplane air-cooling layout. Overall dimensions are 288 mm in depth, 504 mm in height, and 50 mm in width, so several modules can fit side by side without enlarging the cabinet footprint. A mass of 7.3 kg keeps handling manageable during installation, while the rigid housing maintains clearances around power, encoder, and signal connectors for reliable long-term service. The narrow profile also helps maintain orderly cable routing in dense control cabinets where multiple drives share the same enclosure.
Frequently Asked Questions about DMA 045A 4201-D:
Q: What is the rated current of the DMA 045A 4201-D at 4 kHz?
A: The DMA 045A 4201-D module provides a rated current of 23 Arms at a 4 kHz switching frequency.
Q: What cooling method is utilized by the DMA 045A 4201-D module?
A: This servo drive module uses air cooling via the backplane for heat dissipation.
Q: What types of encoder interfaces are available on the DMA 045A 4201-D?
A: The encoder interface on this model supports Gear, STG, or MTG encoder types.
Q: What is the DC link voltage rating for the DMA 045A 4201-D module?
A: It supports a DC link voltage of 670 or 715 VDC, depending on the operating condition.
Q: What setpoint interface does the DMA 045A 4201-D provide?
A: This module offers a 16-bit analog setpoint interface for precise control input.
