DMA 140D 9301-D Bosch Rexroth Indramat
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MPN: 1070085676
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The Bosch Rexroth Indramat DMA 140D 9301-D is a 3-phase servo drive module from the DMA Servo Drive Modules series. It features a 60 Arms rated current at 8 kHz, supports resolver encoder interfaces with 12-bit resolution, and weighs 19.3 kg. The module measures 504 mm by 200 mm by 288 mm and uses air cooling with two fans.
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Product Description:
The DMA 140D 9301-D is a three-phase servo drive module manufactured by Bosch Rexroth Indramat within the DMA Servo Drive Modules series. It conditions the intermediate DC bus and delivers regulated output for both synchronous and asynchronous motors, enabling closed-loop speed and torque control in production lines, handling systems, and processing equipment. Installed on an RMD/DM backplane, the unit mates with complementary supply and control cards so that motion axes share a common power bus and communication structure. This arrangement supports multi-axis installations where each drive channel operates as part of a coordinated rack system.
The drive operates from a DC link held at 670/715 VDC, allowing high power density while matching compatible supply units in the platform. For continuous duty at 8 kHz carrier frequency, it supplies up to 60 Arms. Short bursts can reach 117 Arms to accelerate heavy loads during dynamic motion. Thermal headroom is measured by a derating slope of 1.75 A/K, meaning the permissible current drops for every degree that the internal heat sink exceeds its reference temperature. Control electronics are powered from the 24 V service rail, where the module draws only 1.58 A, which helps limit demand on the auxiliary supply during normal operation.
During operation, the module dissipates 700 W, so two backplane-mounted fans direct ambient air across the heat sink to maintain stable semiconductor junction temperatures. Despite this cooling hardware, the enclosure mass is just 19.3 kg, which helps keep cabinet installation manageable. Position feedback from connected motors is processed by a resolver interface with a resolution of 12 Bits, and this works with the CANopen/CANrho setpoint channel to support consistent drive commands. The mechanical envelope is 504 mm high, 288 mm deep, and only 200 mm wide, allowing multiple modules to be mounted side by side without taking excessive cabinet width. The narrow profile also leaves room for adjacent wiring paths and access to neighboring modules on the backplane.
Frequently Asked Questions about DMA 140D 9301-D:
Q: What is the DC link voltage specification for the DMA 140D 9301-D servo drive module?
A: The DMA 140D 9301-D operates with a DC link voltage of 670 VDC when regulated and 715 VDC when unregulated.
Q: What is the maximum current the DMA 140D 9301-D can output at 8 kHz?
A: This module provides a maximum current of 117 Arms when operated at 8 kHz.
Q: Which setpoint interfaces are available on the DMA 140D 9301-D?
A: The setpoint interface for this model supports both CANopen and CANrho protocols.
Q: What cooling method does the DMA 140D 9301-D utilize?
A: The DMA 140D 9301-D uses air cooling via the backplane to manage internal temperatures.
Q: What kind of encoder interface and resolution does the DMA 140D 9301-D provide?
A: This drive module features an encoder interface for resolvers with a resolution of 12 bits.
