DMA 030A 5311-D Bosch Rexroth Indramat
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MPN: 1070085620
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The Bosch Rexroth Indramat DMA 030A 5311-D is a three-phase servo drive module from the DMA Servo Drive Modules series. It supports both synchronous and asynchronous motors and offers a maximum current of 35 Arms at 4 kHz and 32 Arms at 8 kHz. This standard variant uses air cooling through the backplane, has a mass of 7.3 kg, and includes a resolver encoder interface with 12-bit resolution.
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Product Description:
The DMA 030A 5311-D servo drive module is produced by Bosch Rexroth Indramat as part of the DMA Servo Drive Modules series. It is a 3-phase module for synchronous and asynchronous motors and includes a one-axis positioning function, so a single axis can be driven directly from the module without an external motion controller. In an automation rack, it receives its DC link from a supply section and modulates it into phase-shifted currents that synchronize motor torque and velocity.
At a switching frequency of 4 kHz, the drive can deliver an overload current of 35 Arms, while the comparable limit at 8 kHz is 32 Arms; these figures indicate the peak torque available during short accelerations. Continuous closed-loop operation is rated at 18 Arms for 4 kHz and 12 Arms for 8 kHz, which keeps thermal loading within normal operating limits at each carrier frequency. The internal DC link rises to 715 VDC when unregulated and is actively held near 670 VDC during regenerative events, giving the control section a stable energy reserve for dynamic reversals. Current capability falls by 0.46 A per kelvin between 45 °C and 55 °C, so cabinet ventilation must limit ambient rise to preserve output. Position feedback is taken from a resolver interface with 12-bit resolution per revolution, and the control board accepts 24 V logic signals for start, stop, and fault acknowledgment.
The physical profile of the module suits dense multi-axis cabinets: power loss is limited to 180 W, width is only 50 mm, and the aluminum heat sink is cooled by backplane air flow. Mass is 7.3 kg, allowing installation on a DIN carrier without additional bracing. A 24 V auxiliary bus supplies housekeeping power, and the drive draws just 1.23 A from this line, leaving headroom for neighboring electronics. This unit is the standard version, so the listed ratings apply to the regular configuration.
Frequently Asked Questions about DMA 030A 5311-D:
Q: What is the maximum current output of the DMA 030A 5311-D at 4 kHz?
A: At a 4 kHz switching frequency, this module has a maximum current output of 35 Arms under overload conditions.
Q: What type of encoder interface does the DMA 030A 5311-D use and what is its resolution?
A: The DMA 030A 5311-D features an integrated resolver interface operating with a 12-bit resolution.
Q: What cooling method is employed by the DMA 030A 5311-D module?
A: This servo drive module utilizes air cooling through the backplane for thermal management.
Q: What is the 24 V supply demand for the DMA 030A 5311-D drive module?
A: The module requires a 24 V supply current of 1.23 A for operation.
Q: What additional function does the DMA 030A 5311-D module provide beyond standard operation?
A: The DMA 030A 5311-D supports one-axis positioning as an additional function.
