DMA 045A 5111-D Bosch Rexroth Indramat
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MPN: 1070085634
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The Bosch Rexroth Indramat DMA 045A 5111-D is a servo drive module from the DMA Servo Drive Modules series. It is a 3-phase module for synchronous and asynchronous motors, supports one axis positioning, and features a maximum current output of 51 Arms at 4 kHz. The module uses air cooling through the backplane and measures 504 mm in height, 49 mm in width, and 288 mm in depth.
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Product Description:
Bosch Rexroth Indramat manufactures the DMA 045A 5111-D, a member of the DMA Servo Drive Modules series. The unit is a three-phase module for synchronous and asynchronous motors and is intended to supply controlled current, velocity, and position commands for a single mechanical axis. Within an automation cell, it combines power conversion with one-axis positioning so motion and feedback functions can be integrated into a compact backplane slot.
The module draws 1.32 A from the 24 V logic supply, which is the load placed on the control cabinet power rail. Internally, a non-regulated DC link of 715 VDC is stabilized to 670 VDC by the drive electronics, and that regulated level is suitable for field-oriented control of the connected motor. Air cooling through the rear backplane removes the thermal load created by up to 220 W of power loss, keeping semiconductor temperatures within limits while allowing a maximum open-loop current of 51 Arms at a 4 kHz switching frequency. When the switching frequency is increased to 8 kHz, the same channel can provide 44 Arms. Motion control commands arrive through the setpoint interface, and the integrated control electronics process them with a multi-turn feedback resolution of 32 bits, enabling precise incremental moves and absolute homing.
Closed-loop operation is rated at 23 Arms when the pulse pattern is 4 kHz and 15 Arms at 8 kHz, figures that apply to continuous duty rather than acceleration peaks. If ambient temperature rises above 45 °C, output is automatically reduced by 0.65 A/K up to 55 °C to protect internal components. Single-turn encoder data are processed with 20 bits of precision, supplementing the multi-turn channel. The module has a width of 49 mm, along with a depth of 288 mm and a height of 504 mm for control cabinet installation. The Standard Variant heat-sink package supports the unit's one-axis positioning function.
Frequently Asked Questions about DMA 045A 5111-D:
Q: What is the maximum output current of the DMA 045A 5111-D at 4 kHz?
A: The DMA 045A 5111-D servo drive module provides a maximum output current of 51 Arms at 4 kHz open loop.
Q: Does the DMA 045A 5111-D support positioning control?
A: Positioning control is supported on this model, enabling one-axis motion positioning functions.
Q: How is the DMA 045A 5111-D servo drive module cooled?
A: Air cooling via the backplane is the designated cooling method for this servo drive module.
Q: What multi-turn resolution does the DMA 045A 5111-D module offer?
A: This model offers a multi-turn resolution of 32 bits for high-precision applications.
Q: What is the 24 V supply demand for the DMA 045A 5111-D servo drive module?
A: The DMA 045A 5111-D requires a 24 V supply at 1.32 A for operation.
