DMA 140D 8001-D Bosch Rexroth Indramat
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MPN: 1070080455
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The Bosch Rexroth Indramat DMA 140D 8001-D is a 3-phase servo drive module in the DMA Servo Drive Modules series and weighs 19.3 kilograms. It has a rated current of 87 Arms at 4 kHz, supports a DC link voltage of 670 VDC, and uses air cooling with two fans. The module has a cabinet power loss of 700 watts and a depth of 288 mm.
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Product Description:
The DMA 140D 8001-D is a servo drive module produced by Bosch Rexroth Indramat within the DMA Servo Drive Modules series. The unit functions as a three-phase power stage for both synchronous and asynchronous motors, forming the energy interface between a DC bus and individual axes. In industrial automation cabinets, it contributes torque and speed regulation while the higher-level controller handles trajectory planning, making it a core component for packaging machines, printing lines, and general material-handling equipment.
Its power input is a non-regulated DC link of 715 VDC that the internal converter stabilizes to 670 VDC when regulation is active. With a switching frequency of 4 kHz, the module can deliver up to 141 Arms in overload conditions and sustain 87 Arms continuously in closed-loop operation. These current levels suit motors used on demanding axis loads. The open-loop U/f control mode is used when no encoder feedback is required, so the design has no encoder interface and no dedicated positioning control. Cooling air is drawn through the backplane, and the specified cabinet power loss is 700 W, which is important when planning enclosure ventilation. The backplane slot type is RMD/DM, and there are no additional functional option cards, so wiring is limited to power, DC bus, and setpoint channels.
The drive is intended for cabinet integration and stands 504 mm high, 288 mm deep, and weighs 19.3 kg. Forced airflow is provided by two axial blowers. The continuous current capability decreases by 2.25 A/K above the rated temperature rise, a derating figure used when sizing higher-duty cycles. Logic electronics are supplied from an external 24 V source that draws 1.58 A, and the analog setpoint channel is digitized with a 10-bit resolution so that motion controllers can issue finely spaced speed commands without encoder feedback.
