DMA 140D 1301-D Bosch Rexroth Indramat
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MPN: 1070085664
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The Bosch Rexroth Indramat DMA 140D 1301-D is a servo drive module from the DMA Servo Drive Modules series designed as a 3-phase module for synchronous and asynchronous motors. It features a rated current of 87 Arms at 4 kHz and 60 Arms at 8 kHz, with a maximum output of 141 Arms at 4 kHz. The unit provides air cooling through the backplane and has an IP20 degree of protection.
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Product Description:
The DMA 140D 1301-D is a servo drive module from Bosch Rexroth Indramat in the DMA Servo Drive Modules series. It operates as a 3-phase power stage for synchronous and asynchronous motors, mounted on a shared DC bus. Within automated lines, the module converts bus energy into controlled currents so that speed and torque references from the motion controller reach the motor windings accurately.
At a 4 kHz switching frequency the drive can deliver a continuous current of 87 Arms and withstand an overload peak of 141 Arms; when the pulse frequency is raised to 8 kHz the continuous limit falls to 60 Arms while the short-term ceiling becomes 117 Arms. These four limits define the thermal envelope that engineers must observe when pairing the module with machine axes. Control electronics are supported by a 24 V auxiliary supply that draws 1.58 A, and heat is removed by air flowing across the backplane, eliminating the need for fans on the front panel. Position feedback arrives through a standard encoder interface whose incremental input channel accepts signals up to 1 MHz, while dedicated processing stages handle sine encoders to 50 kHz and sine/cosine formats to 800 kHz. The bandwidth supports high-resolution loops on slow indexing tables and fast spindles.
The common DC bus feeding the module is maintained between 715 VDC unregulated and 670 VDC regulated, ensuring stable energy for dynamic braking and rapid accelerations. The housing carries a protection rating of IP20, indicating finger-safe internal parts yet requiring installation inside a cabinet qualified for the 3K3 climatic category. Resolver feedback is converted with a resolution of 12 bits, supporting coarse-absolute position capture during homing sequences. Mechanically, the unit tolerates assembly and transport shocks up to 15 g without performance loss. Together, these electrical, environmental, and mechanical limits give integrators clear boundaries when integrating the DMA module into multi-axis packaging, printing, or material-handling equipment.
Frequently Asked Questions about DMA 140D 1301-D:
Q: What types of motors can the DMA 140D 1301-D servo drive module control?
A: The DMA 140D 1301-D is a 3-phase module designed for both synchronous and asynchronous motors.
Q: What is the maximum output current for the DMA 140D 1301-D at 4 kHz?
A: This module supports a maximum output current of 141 Arms at 4 kHz operation.
Q: What are the DC link voltage levels for the DMA 140D 1301-D?
A: The DMA 140D 1301-D operates with a DC link voltage of 715 VDC when unregulated and 670 VDC when regulated.
Q: Which cooling method is used in the DMA 140D 1301-D servo drive?
A: For backplane installation, the DMA 140D 1301-D uses air cooling to manage heat dissipation.
Q: What degree of protection does the DMA 140D 1301-D have?
A: This module provides a protection rating of IP20, offering basic ingress protection for indoor installations.
