DMA 030A 4201-D Bosch Rexroth Indramat
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MPN: 1070085618
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The Bosch Rexroth Indramat DMA 030A 4201-D is part of the DMA Servo Drive Modules series and is designed as a 3-phase module for synchronous and asynchronous motors. It supports a DC link voltage of 670 or 715 VDC, provides a rated current of 18 Arms at 4 kHz, and uses air cooling with a backplane setup. The drive features a gear encoder interface, one fan for cooling, and has a mass of 7.3 kilograms.
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Product Description:
The DMA 030A 4201-D servo drive module is produced by Bosch Rexroth Indramat within the DMA Servo Drive Modules series. It is a three-phase power stage for regulating synchronous and asynchronous motors in multi-axis automation racks. Mounted in a backplane, the unit converts high DC bus voltage into controlled motor current, allowing coordinated speed and torque control in material-handling machines, packaging lines, and general factory automation cells. This arrangement allows multiple axes to operate from the same rack structure while each motor receives regulated current from its own drive module.
An external supply line delivers 1.23 A at 24 V to power the control electronics, fan, and contactor logic, while the energy section operates from a DC bus maintained between 670/715 VDC. This separate low-voltage feed keeps the control section active while the power stage is managed through the shared bus structure. Under open-loop operation, the module can provide peak motor currents of 35 Arms at 4 kHz or 32 Arms at 8 kHz, which sets the available acceleration and braking torque. Thermal design relies on air cooling through the backplane, and heat produced by the semiconductors and the internal fan is limited to a maximum loss of 180 W, so cabinet ventilation must remove this continuous dissipation during heavy-duty cycles.
During closed-loop control, the drive supplies up to 18 Arms at the lower switching rate or 12 Arms at the higher rate, which suits constant-speed production zones where encoder feedback is processed through the integrated gear encoder interface. The module slides into a bay on the RMA/DM 30 backplane, and its physical width of 50 mm supports dense multi-axis assemblies without excessive rail space. With the backplane carrying the load, installation stress remains moderate because the housing and heat sink weigh only 7.3 kg. Setpoints arrive over a 16-bit analog channel, allowing fine resolution when coordinating current targets across neighboring axes.
Frequently Asked Questions about DMA 030A 4201-D:
Q: What is the DC link voltage rating of the DMA 030A 4201-D drive module?
A: The DMA 030A 4201-D module supports a DC link voltage of 670 or 715 VDC.
Q: What is the maximum output current at 4 kHz for the DMA 030A 4201-D drive?
A: At 4 kHz, the DMA 030A 4201-D has a maximum output current of 35 Arms in open-loop operation.
Q: How is the DMA 030A 4201-D servo drive module cooled?
A: This module uses air cooling via the backplane and is equipped with one fan.
Q: What kind of setpoint interface does the DMA 030A 4201-D have and what is its resolution?
A: The setpoint input for the DMA 030A 4201-D is analog, with a 16-bit resolution.
Q: What type of encoder interface is featured on the DMA 030A 4201-D?
A: The encoder interface on the DMA 030A 4201-D is designed for a gear encoder.
